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>> [MIZIK jwe]

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>> Oratè: Byenveni tounen, tout moun.

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Sa a se CS50.

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Ak jodi a, nou gen yon anpil nan
bagay sa yo enteresan pale sou.

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Premyèman, menm si, mwen gen fè sonje
ou nan yon kèk bagay administratif.

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Semèn sa a se egzamen yon sèl, Mèkredi
oswa pou seksyon an Yale

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sou madi ak jedi, nan Jedi.

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Gen revize egzamen
aswè a nan Yale, 5:30 a 7:00.

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Nan Harvard, yo anrejistre yon sèl yè.

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Ak tout moun ka gade ki sou entènèt.

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>> Epitou, semèn sa a oswa bonè semèn pwochèn,
nou gen dènye konferans CS50 nou an.

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[Ap plenn] mwen konnen.

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Li te rive konsa byento.

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Yale elèv yo ap gen yon ap viv
konferans isit la nan lekòl la lwa

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oditoryòm nan Vandredi.

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Li pral fè gato.

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Harvard elèv yo ap gen nan
konferans sot pase a nan Sanders nan Lendi.

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Epitou ap gen gato.

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>> Epitou, nan semèn sa a nan Vandredi, pou moun
nan nou ki ap vini nan New Haven,

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nou gen Ekspozisyon an CS50.

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Nou gen plis pase 30
diferan gwoup anrejistre

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yo montre ou tout bagay
soti nan Bato avwal otonòm,

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nan sistèm ki rekonèt
pòtrè dijital, nan òdinatè

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mizik ak mizik òdinatè-pwodwi.

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Se konsa, tanpri rantre nan nou.

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Mwen panse ke li k ap pase yo dwe yon tan gwo.

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>> Jodi a, menm si, nou jwenn yo
kontinye ap pale de lavil Ayi,

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sou entèlijans atifisyèl.

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Ak youn nan bagay sa yo ke
nou ap ale nan ale nan jodi a

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se lide a pou konnen kijan pou
itilize AI yo rezoud pwoblèm.

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Koulye a, kòm toujou, se pou yo kòmanse
ak yon bagay ki senp.

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Epi nou ap ale nan kòmanse
ak yon lide ki senp.

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Epi sa a, lè l sèvi avèk rechèch la.

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>> Se konsa, imajine pou yon minit ke mwen
gen yon tach ke mwen bezwen fè.

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Apre sa, mwen ta renmen genyen ki travay
otomatik pa kèk ajan lojisyèl.

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Imajine ke mwen ap eseye liv yon seri
a vòl soti nan, se pou yo di, Boston

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nan San Francisco.

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Mwen te kapab ale nan ak mwen te kapab itilize
youn nan bèl bagay rechèch la sou entènèt

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zouti, ki se ale nan fè
fondamantalman menm bagay pwosesis la ke nou ap

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ale nan mache nan jodi a.

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Men, si ou pa t 'gen ki
zouti, ki sa ou ta fè?

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>> Oke, ou ta ka gade epi
wè ak di, mwen se nan Boston.

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Ki sa ki vòl yo disponib nan m 'konsa?

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Koulye a, petèt mwen gen twa
vòl posib soti nan Boston

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ki pral bon tan nan
lè m 'bezwen kite kay la.

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Mwen te kapab pou vole pou Chicago.

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Ou mwen te kapab pou vole pou Miami.

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Oswa mwen te ka vole nan New York.

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Mwen te kapab Lè sa a, gade ki soti nan chak
youn nan vil sa yo destinasyon

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epi reflechi sou sa kote
Mwen te kapab pètèt rive jwenn

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soti nan chak nan vil sa yo endividyèl elèv yo.

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>> Se konsa, petèt ki soti nan Chicago, mwen ka jwenn
yon vòl dirèk nan San Francisco.

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Sa a ekselan.

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Ou mwen te kapab jwenn yon vòl nan Denver.

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Koulye a, petèt ki vòl nan San Francisco
se solisyon an pafè pou m ',

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men petèt pa.

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Petèt mwen ap chache pou yon bagay
sa a, se yon ti jan pi bon mache

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oswa yon ti jan ti kras pi byen pou orè m 'yo.

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Se konsa, mwen te kapab gade pou sa lòt
posiblite ta ka yo deyò.

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Se konsa, mwen te kapab gade nan Denver.

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Li te pran depi Denver, byen, petèt
Mwen ka jwenn yon vòl nan Austin.

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Li te pran depi Austin, petèt mwen ka jwenn yon
vòl nan Phoenix, ak pou soti nan Phoenix

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nan San Francisco.

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Koulye a, mwen pa fè ankò.

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Paske petèt gen nan yon
vòl dirèk nan New York

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nan San Francisco sa a, se pafè pou mwen.

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Oswa petèt gen nan yon vòl soti nan Miami
a Denver sa a, se yon anpil pi bon mache.

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Se konsa, mwen toujou gen yo ale.

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Apre sa, mwen toujou gen fè yon gade nan tout moun ki
lavil ke mwen pa te envestige ankò.

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Mwen gen yo tcheke tout nan limitativ
posiblite yo pou m 'ka genyen.

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>> Se konsa, soti nan New York, petèt mwen ka jwenn yon
vòl nan Nashville, ak pou soti nan Nashville

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Austin.

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Lè sa a, mwen konnen kote m 'prale.

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Lè sa a, mwen konnen soti nan Austin, mwen kapab
pou vole pou Phoenix, ak pou soti nan Phoenix

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nan San Francisco.

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Si m 'vole premye nan Miami, menm si,
petèt mwen ka jwenn yon vòl soti nan Miami

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Nashville, oswa nan Miami fè Austin.

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>> Epi, koulye a Mwen te eseye tout
nan posibilite yo.

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Mwen te bati moute graf sa a ki
montre m 'tout nan wout ki posib

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ke mwen ka kapab pran.

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Lè nou reprezante sa yo
kalite pwoblèm,

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nou pa ap ale nan reprezante
yo klèman kòm graf sa a,

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paske sa pa reprezante graf
istwa a nan kote nou te ale.

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Lè ou konnen ke mwen te pran vòl soti nan
Phoenix nan San Francisco

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pa di m 'si wi ou non m' te vin atravè
Nashville, oswa atravè Denver, oswa atravè Miami.

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>> Se konsa, sa mwen pral fè olye se
M ap pran menm pwoblèm sa a,

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epi mwen pral reprezante li kòm yon pye bwa.

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Ak nan rasin lan nan pye bwa a, nan la
tèt, mwen pral mete plas la ke mwen te kòmanse,

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Boston.

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Li te pran depi Boston, mwen pral gade nan
tout nan kote yo posib

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ke mwen ka vwayaje nan.

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Oke, nan ka sa a, mwen te gen twa,
Chicago, New York, epi Miami.

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Lè sa a, mwen pral eksplore chak nan
timoun sa yo nan pyebwa sa a.

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>> Soti nan Chicago, mwen te wè
ke mwen te gen de vòl.

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Mwen te kapab vole dirèkteman nan
San Francisco oswa nan Denver.

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Koulye a, San Francisco, sa a, se objektif mwen.

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Sa a destinasyon m 'yo.

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Sa k ap pase yo dwe yon fèy nan pye bwa sa a.

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Sa se, mwen pa janm ap ale nan ale
yon kote apre San Francisco.

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Soti nan Denver, menm si,
Mwen kapab vole soti nan Denver

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Austin, ki soti nan Austin Phoenix,
ak pou soti nan Phoenix nan San Francisco.

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Epi, koulye a ankò, mwen te rive nan yon fèy.

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>> Lè sa a, mwen te kapab tounen nan pwochen an
Lekòl la ke mwen pa te konplètman eksplore.

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Ki ta ka New York, ale
tounen moute nan tèt la nan pye bwa mwen,

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desann vin jwenn New York.

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Soti nan New York, mwen kapab pou vole pou
Nashville, ki soti nan Nashville Austin,

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soti nan Austin ak Phoenix, ak
soti nan Phoenix nan San Francisco.

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E finalman, yon lavil mwen
pa gen gade ankò, Miami.

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>> Oke, ki soti nan Miami mwen te di mwen te gen de
posiblite, Nashville oswa Austin.

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Si m 'pou vole pou Nashville, byen lè sa a mwen vole
soti nan Nashville, nan Austin, nan Phoenix,

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nan San Francisco.

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Si m 'pou vole pou Austin, mwen vole Austin,
Phoenix, nan San Francisco.

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Epi, koulye a mwen gen yon pye bwa.

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Li se yon pye bwa konplè.

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Li nan tout nan posiblite yo ak
tout nan chemen yo ke mwen te ka pran.

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Sa se, si mwen kòmanse nan la
rasin nan pye bwa a nan tèt la

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ak mwen desann nan youn nan la
kite, li di m 'pa sèlman

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kote mwen pral
fini, San Francisco,

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men li di m 'wout la ki
Mwen bezwen pou pran pou rive la.

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>> Koulye a, ki youn nan sa yo se pi bon an?

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Oke, pa gen anyen sou sa a
pwoblèm ankò di m '

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ki nan tout sa yo se solisyon an pi byen.

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Petèt mwen pran swen ki pi sou la
konbyen tan mwen se nan lè a,

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oswa distans la ke mwen vole.

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Nan ka sa a, Chicago nan San
Francisco ta ka nimewo a pi kout

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de mil nan lè a.

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>> Petèt mwen pran swen sou pri.

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Apre sa, nou tout konnen vòl dirèk
yo anjeneral plis chè.

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Se konsa, petèt si mwen pran sa a
kalite wout bak

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a Miami, Nashville,
Austin, Phoenix, petèt Lè sa a,

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Mwen jwenn yon pri pi ba yo.

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Men, mwen te kapab optimize sou nenpòt
kritè ke mwen pran swen sou.

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Ki moun ki nan te resevwa pi bon an nan
vòl Wi-Fi, oswa ki

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èpòt gen manje ki pi bon ki disponib.

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Epitou, chak nan sa yo ta ka
ban m 'yon solisyon diferan

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ke mwen wè tankou se te pi bon an.

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>> Sa yo kalite pwoblèm,
kote nou ap ale

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yo bati soti nan pye bwa sa a
posiblite, ak Lè sa a

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gade nan chak nan sa yo
chemen endividyèl, ak egzaminen

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ki nan tout sa yo jou
yon kritè pou nou,

149
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nou ap ale nan rele
moun pwoblèm rechèch.

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E nou gen anpil bagay nan
algoritm, kèk nan yo ki

151
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nou te wè deja, yo ale
ak eksplore pyebwa sa yo.

152
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Nou te kapab fè l 'nan wout la ke mwen
jis te fè, yon rechèch pwofondè-premye,

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pral desann osi lwen ke nou kapab jiskaske nou
frape yon fèy, ak Lè sa a vini tounen moute,

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ak ale dwa tounen desann.

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Oubyen èske nou ta ka fè sa ki nan
rele rechèch lajè-premye.

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Nou te kapab elaji tout bagay
nan tèt la, ak Lè sa a

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tout bagay yon sèl liy
anba ki, ak Lè sa

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tout bagay yon sèl liy anba sa.

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Pye bwa rechèch Moun sa yo ki
se fondamantal nan lavil Ayi.

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Men, yo pa byen jwenn
li dwat tout tan tout tan an.

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An reyalite, nan yon anpil nan ka yo
ke nou reyèlman sousye de,

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nou vle bati yon pye bwa,
men nou pa fè sa aktyèlman

163
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li ale nan fè tout nan desizyon yo.

164
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>> Sa yo se sitiyasyon rele
konfwontasyon rechèch, konnen tou

165
00:09:00,940 --> 00:09:05,390
kòm ki jan yo ekri jwèt ap jwe
sistèm ak jwenn peye pou li.

166
00:09:05,390 --> 00:09:07,940
Men, sa yo, se kalite ki
nan sistèm kote mwen

167
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ta ka jwenn yo chwazi lè m 'ale nan
Boston, ki vil m 'ale nan kap vini an.

168
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Men, apre sa, yon lòt moun ta ka jwenn
fè desizyon yo pran sou kote mwen vole.

169
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Se konsa, yo bati sa yo
kalite estrikti, nou ap

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pral fè yo pran yon yon ti kras
diferan apwòch nan li.

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Nou pa pwal pou kapab
jis rechèch nan pye bwa a

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ankò, paske nou pa
yon sèl nan sa a, se nan kontwòl

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nan chak nan sa yo pwen desizyon.

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>> Se konsa nou imajine yon senp
jwèt tankou domestik-TAC-zòtèy.

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Mwen te kapab kòmanse avèk yon
konplètman vid tablo.

176
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Ak nan domestik-TAC-zòtèy,
X vin yo jwe an premye.

177
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Se konsa, mwen te kapab panse osijè de la tout
mouvman posib ke X te kapab fè.

178
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Men, si mwen se ap jwe nan yon sèl
X la, sa se gwo.

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Mwen gen nèf posib
deplase ke mwen ka fè.

180
00:10:01,020 --> 00:10:05,000
Mwen te kapab mete yon X nan nenpòt youn
nan tout sa yo nèf pozisyon.

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>> Lè sa a, ki soti nan chak nan sa yo, mwen
te ka imajine sa k ap pase a.

182
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Oke, nan ka sa a, lòt la
jwè ta jwenn yo pran yon vire.

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O ta jwenn yo pran yon vire.

184
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Li te pran depi chak nan sa yo, gen
ta gen wit kote diferan

185
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ki te kapab mete O makè yo.

186
00:10:22,980 --> 00:10:25,790
>> Se pou nou di mwen deside ke mwen te
pral mete yon X nan sant la.

187
00:10:25,790 --> 00:10:28,810
Ki toujou sanble tankou
yon bon ouvèti deplase.

188
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Mwen te kapab gade nan anba sa, nan
uit mouvman posib ke O fè.

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00:10:34,870 --> 00:10:37,320
Koulye a, si mwen jwe X, sa a, se bèl bagay.

190
00:10:37,320 --> 00:10:41,740
Mwen jwenn yo chwazi ki yon sèl mwen
ale nan, yon sèl la nan mitan yo.

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Men koulye a, nou menm vin yo chwazi.

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00:10:45,000 --> 00:10:48,750
Apre sa, mwen pa gen kontwòl
sou ki desizyon.

193
00:10:48,750 --> 00:10:51,670
>> Men, depi nan chak nan sa yo
pozisyon tablo posib,

194
00:10:51,670 --> 00:10:54,020
Lè sa a, yon lòt gen nan
mete nan posibilite yo.

195
00:10:54,020 --> 00:10:56,700
Lè li rive yo dwe
mwen vire ankò, mwen ta

196
00:10:56,700 --> 00:11:01,500
li ale nan chwazi epi di, byen,
si O deplase nan nan, byen,

197
00:11:01,500 --> 00:11:06,110
plas nan mitan sou bò gòch la, lè sa a
Mwen gen yon seri posiblite

198
00:11:06,110 --> 00:11:09,740
kote mwen ka pran mouvman pwochen m 'yo.

199
00:11:09,740 --> 00:11:14,140
Soti nan sa yo, mwen te kapab konsidere tout nan
posiblite yo anba yo.

200
00:11:14,140 --> 00:11:18,030
Lè sa a, O ta jwenn
yo chwazi nan mitan sa yo.

201
00:11:18,030 --> 00:11:22,290
>> Apre sa, mwen t 'kapab kenbe sa a bati
pyebwa soti jouk mwen te resevwa nan pwen an

202
00:11:22,290 --> 00:11:26,960
kote swa yon moun
ranport game-- nan sa a, se

203
00:11:26,960 --> 00:11:31,070
te resevwa yo dwe konsidere kòm yon fèy node--
oswa tablo a se konplètman plen

204
00:11:31,070 --> 00:11:32,704
ak pa gen yon sèl te genyen.

205
00:11:32,704 --> 00:11:34,370
Epi sa la tou pral gen yon ne fèy.

206
00:11:34,370 --> 00:11:35,411
Sa k ap pase yo dwe yon menm kantite vòt.

207
00:11:35,411 --> 00:11:37,820

208
00:11:37,820 --> 00:11:41,680
>> Men, bagay la difisil ak sa a se
si sa a te jis yon rechèch regilye

209
00:11:41,680 --> 00:11:44,269
pwoblèm, mwen ta kapab
di, byen, X ta dwe ale isit la.

210
00:11:44,269 --> 00:11:45,560
Ak O ta dwe al fè wout sou la.

211
00:11:45,560 --> 00:11:46,770
Lè sa a, X ta dwe ale sou isit la.

212
00:11:46,770 --> 00:11:48,269
Lè sa a, O ta dwe al fè wout sou la.

213
00:11:48,269 --> 00:11:51,860
Lè sa a, X ka jwenn twa
nan yon ranje, epi mwen genyen.

214
00:11:51,860 --> 00:11:54,870
Men, jwèt la ta dwe plis pase
nan senk mouvman, twa pou m ',

215
00:11:54,870 --> 00:11:57,710
de pou advèsè mwen.

216
00:11:57,710 --> 00:12:01,300
Men, mwen pa toujou jwenn yo chwazi sa.

217
00:12:01,300 --> 00:12:03,720
>> Se konsa, olye, ki sa nou ap
ale nan dwe fè

218
00:12:03,720 --> 00:12:06,270
se nou ap ale nan gen
gen yon nouvo estrateji.

219
00:12:06,270 --> 00:12:09,350
Ak estrateji nan ki
jwèt-ap jwe algoritm itilize souvan

220
00:12:09,350 --> 00:12:12,000
se sa yo rele minimax.

221
00:12:12,000 --> 00:12:15,500
Lide a santral la nan
minimax se ke nou ap

222
00:12:15,500 --> 00:12:21,365
ale nan chwazi mouvman an ki bay
opozan nou an mete nan pi move posib

223
00:12:21,365 --> 00:12:22,790
a deplase yo ke yo ka fè.

224
00:12:22,790 --> 00:12:25,570

225
00:12:25,570 --> 00:12:28,870
Li pa fè m 'nenpòt ki bon
yo chwazi yon mouvman kote

226
00:12:28,870 --> 00:12:31,952
M 'te ka kapab pou pou genyen apre
sa, paske advèsè mwen an se pa

227
00:12:31,952 --> 00:12:33,160
pral bay m 'ki chans.

228
00:12:33,160 --> 00:12:37,770
Yo ap ale nan chwazi kèk
rezilta terib pou mwen.

229
00:12:37,770 --> 00:12:42,010
Se konsa, mwen pral fè nan
deplase ki fòs opozan m '

230
00:12:42,010 --> 00:12:45,760
fè yon bagay pi bon pou mwen.

231
00:12:45,760 --> 00:12:46,260
Tout dwa.

232
00:12:46,260 --> 00:12:48,410
Ann wè ki jan ki jwe deyò.

233
00:12:48,410 --> 00:12:51,640
Se konsa, isit la nan algorithm nou yo nan pseudocode.

234
00:12:51,640 --> 00:12:54,450
Nou pral jenere
jwèt pye bwa a tout antye.

235
00:12:54,450 --> 00:12:56,757
Nou ap ale nan bati
estrikti a tout antye.

236
00:12:56,757 --> 00:12:57,840
Lè sa a, nou pral ale nan.

237
00:12:57,840 --> 00:13:02,100
Apre sa, nan pati anba a anpil nan chak nan la
nœuds tèminal, nan chak nan fèy yo,

238
00:13:02,100 --> 00:13:07,850
nou pral evalye ki jan
ki gen anpil valè se ke m 'konsa?

239
00:13:07,850 --> 00:13:11,690
Epi nou ap ale nan bagay sa yo ke valè
yo se bon pou mwen tankou se te pozitif.

240
00:13:11,690 --> 00:13:14,460
Bagay ki pa bon pou m '
pral mwens pozitif, oswa zewo,

241
00:13:14,460 --> 00:13:16,480
oswa menm negatif.

242
00:13:16,480 --> 00:13:19,240
>> Se konsa, nan domestik-TAC-zòtèy, petèt
yon genyen pou m 'se yon bon bagay.

243
00:13:19,240 --> 00:13:20,290
Sa se yon yon sèl.

244
00:13:20,290 --> 00:13:22,400
Apre sa, yon menm kantite vòt se zewo.

245
00:13:22,400 --> 00:13:26,230
Ak yon bagay sa a, se yon pèt pou
m ', petèt sa a, se yon yon sèl negatif.

246
00:13:26,230 --> 00:13:29,620
Tout sa ki zafè se ke pi bon an
li se pou m ', pi wo a nòt la

247
00:13:29,620 --> 00:13:32,160
li resevwa.

248
00:13:32,160 --> 00:13:36,690
Nan men moun posiblite nan la
anba, Lè sa a, nou pral filtre anwo.

249
00:13:36,690 --> 00:13:40,650
Lè li an chans mwen yo chwazi
nan mitan yon seri altènativ,

250
00:13:40,650 --> 00:13:44,460
Mwen pral chwazi youn nan ki nan
te resevwa nòt ki pi gwo.

251
00:13:44,460 --> 00:13:47,200
>> Chak fwa li a mwen
opozan tounen vin jwenn chwazi,

252
00:13:47,200 --> 00:13:52,350
Mwen pral asime ke yo pwal santi yo
chwazi youn nan ak nòt la pi ba a.

253
00:13:52,350 --> 00:13:56,090
Men, si mwen fè sa tout wout la
moute sou tèt la nan pye bwa a,

254
00:13:56,090 --> 00:14:03,150
Mwen pral te chwazi yon chemen ki bay
m 'rezilta a pi bon ke mwen ka jwenn,

255
00:14:03,150 --> 00:14:09,110
an konsideran ke advèsè mwen
fè tout mouvman yo dwat.

256
00:14:09,110 --> 00:14:11,940
>> Tout dwa, se konsa kite a wè
sa a nan aksyon an premye.

257
00:14:11,940 --> 00:14:14,980
Lè sa a, nou pral aktyèlman
gade nan kòd la pou li.

258
00:14:14,980 --> 00:14:16,780
Se konsa, imajine mwen gen gwo pye bwa sa a.

259
00:14:16,780 --> 00:14:18,280
Epi, koulye a mwen pa jwe domestik-TAC-zòtèy.

260
00:14:18,280 --> 00:14:20,405
Mwen te vle ba ou
yon bagay yon ti jan pi rich.

261
00:14:20,405 --> 00:14:23,560
Se konsa, mwen te gen kèk jwèt kote
gen nan anpil nòt diferan

262
00:14:23,560 --> 00:14:26,390
ke mwen te ka gen nan fen an.

263
00:14:26,390 --> 00:14:27,980
Se konsa, mwen bati pye bwa sa a konplè.

264
00:14:27,980 --> 00:14:29,070
Apre sa, mwen jwenn pou avanse pou pi an premye.

265
00:14:29,070 --> 00:14:31,290
Mwen se nan rasin lan nan pyebwa sa a.

266
00:14:31,290 --> 00:14:36,150
>> Apre sa, mwen jwenn yo chwazi that-- Se konsa, mwen jwenn
yo maksimize atravè ke premye ne.

267
00:14:36,150 --> 00:14:38,410
Lè sa a, opozan m 'vin yo ale.

268
00:14:38,410 --> 00:14:41,910
Lè sa a, mwen jwenn yo ale yon fwa plis.

269
00:14:41,910 --> 00:14:46,830
Se konsa, desann nan pati anba a, mwen gen yon seri
posiblite ke mwen ka chwazi nan,

270
00:14:46,830 --> 00:14:50,570
diferan eta tèminal nan jwèt la.

271
00:14:50,570 --> 00:14:54,980
Si mwen se atè a konsa
byen lwen kite kwen men,

272
00:14:54,980 --> 00:14:58,867
ak mwen wè ke mwen te gen yon chwa
ant yon uit, yon sèt, ak yon de,

273
00:14:58,867 --> 00:15:00,450
byen, mwen se yon sèl la ki vin yo chwazi.

274
00:15:00,450 --> 00:15:02,910
Se konsa, mwen pral chwazi
youn nan pi bon nan tout sa yo.

275
00:15:02,910 --> 00:15:05,650
Mwen pral chwazi uit an.

276
00:15:05,650 --> 00:15:10,090
>> Se konsa, mwen konnen ke si mwen janm
jwenn desann nan pwen sa a,

277
00:15:10,090 --> 00:15:13,890
Mwen pral kapab jwenn ki uit pwen.

278
00:15:13,890 --> 00:15:17,410
Si m 'fini nan pwen nan pwochen te
sou, ne nan pwochen te sou yo,

279
00:15:17,410 --> 00:15:20,760
yon nèf, yon yon sèl, oswa yon sis, byen, mwen se
ale nan chwazi pi bon an nan tout sa yo.

280
00:15:20,760 --> 00:15:21,950
Mwen pral chwazi nèf la.

281
00:15:21,950 --> 00:15:24,880
Si mwen gen yon chwa ant
de, ak kat, ak yon sèl,

282
00:15:24,880 --> 00:15:28,240
Mwen pral chwazi kat la, pi wo a.

283
00:15:28,240 --> 00:15:31,990
>> Koulye a, si mwen gade nan nivo a
pi wo a sa a, opozan m '

284
00:15:31,990 --> 00:15:34,440
se youn a vin fè ki chwa.

285
00:15:34,440 --> 00:15:37,040
Se konsa, advèsè mwen vin
chwazi, fè mwen vle ba l '

286
00:15:37,040 --> 00:15:39,250
bagay la ki k ap pase
jwenn l 'uit pwen,

287
00:15:39,250 --> 00:15:41,916
oswa mwen ba l 'bagay la sa a, se
ale nan ba l 'nèf pwen,

288
00:15:41,916 --> 00:15:45,240
ou ankò bagay ki k ap pase
yo ba l 'kat pwen?

289
00:15:45,240 --> 00:15:49,130
Ak advèsè mwen, ke yo te
rasyonèl, ki pral

290
00:15:49,130 --> 00:15:53,470
yo chwazi minimòm la nan tout sa yo,
ki pral chwazi kat la.

291
00:15:53,470 --> 00:15:56,020
>> Apre sa, mwen ka fè sa
a pye bwa a tout antye.

292
00:15:56,020 --> 00:15:59,110
Mwen ka ale desann nan ki
seri mitan nan twa.

293
00:15:59,110 --> 00:16:01,517
Apre sa, mwen ka chwazi ant
yon sèl, twa, ak senk.

294
00:16:01,517 --> 00:16:02,350
Apre sa, mwen jwenn yo chwazi.

295
00:16:02,350 --> 00:16:03,810
Se konsa, mwen chwazi yon senk.

296
00:16:03,810 --> 00:16:05,340
Mwen kapab chwazi twa, nèf, oswa de.

297
00:16:05,340 --> 00:16:07,570
Mwen jwenn yo chwazi, se konsa mwen chwazi nèf la.

298
00:16:07,570 --> 00:16:09,290
Sis, senk, oswa de, mwen chwazi.

299
00:16:09,290 --> 00:16:11,539
Mwen jwenn yo chwazi sis nan.

300
00:16:11,539 --> 00:16:13,080
Nivo pi wo a sa a, ki moun ki gen yo chwazi?

301
00:16:13,080 --> 00:16:16,280

302
00:16:16,280 --> 00:16:18,140
Kilès ki ka atrape yo chwazi?

303
00:16:18,140 --> 00:16:20,000
Nèg la ak lòt, opozan m 'yo.

304
00:16:20,000 --> 00:16:22,583
Se konsa, yo chwazi senk,
nèf, oswa sis, ki youn?

305
00:16:22,583 --> 00:16:23,410
>> ODYANS: senk an.

306
00:16:23,410 --> 00:16:25,250
>> Oratè: Yo chwazi senk an.

307
00:16:25,250 --> 00:16:27,400
Yo jwenn yo chwazi minimòm la.

308
00:16:27,400 --> 00:16:29,690
Lè sa a, yon sèl ki sot pase a,
chwazi youn, de, oswa twa.

309
00:16:29,690 --> 00:16:31,720
Mwen jwenn yo chwazi, se konsa mwen chwazi twa.

310
00:16:31,720 --> 00:16:34,370
Nèf, sèt, oswa de, mwen chwazi nèf.

311
00:16:34,370 --> 00:16:37,070
Ak 11, sis, oswa kat, mwen chwazi 11.

312
00:16:37,070 --> 00:16:41,190
Opozan mwen Lè sa a, chwazi twa,
nèf, oswa 11, chwazi minimòm la.

313
00:16:41,190 --> 00:16:43,290
Li bay m 'yon twa.

314
00:16:43,290 --> 00:16:47,780
Lè sa a, finalman nan tèt la nan
pye bwa a, mwen jwenn yo chwazi ankò.

315
00:16:47,780 --> 00:16:51,190
Apre sa, mwen jwenn yo chwazi ant
yon kat, yon senk, oswa yon twa.

316
00:16:51,190 --> 00:16:52,270
Se konsa, mwen pran senk an.

317
00:16:52,270 --> 00:16:55,070

318
00:16:55,070 --> 00:17:00,891
>> Si m 'te rive nan kontwole tout bagay, mwen ta
pran chemen an ki te mennen nan 11 an.

319
00:17:00,891 --> 00:17:02,390
Men, mwen pa ale nan fè ki chwa.

320
00:17:02,390 --> 00:17:04,220
Si m 'desann ki chemen.

321
00:17:04,220 --> 00:17:10,710
Opozan m 'yo va fòse m' nan
chwa ki mennen nan yon twa.

322
00:17:10,710 --> 00:17:14,530
Se konsa, pi bon an pou m 'ka fè se
pran ki branch presegondè,

323
00:17:14,530 --> 00:17:19,859
fè ke chwa sa a, se evantyèlman
ale nan mennen m 'nan senk pwen.

324
00:17:19,859 --> 00:17:23,230
Sa a ki sa minimax fè.

325
00:17:23,230 --> 00:17:23,807
>> Tout dwa.

326
00:17:23,807 --> 00:17:24,890
Se pou nou pran yon gade nan sa.

327
00:17:24,890 --> 00:17:27,480

328
00:17:27,480 --> 00:17:32,330
Se konsa, isit la nan CS50 nan
IDE se yon pwogram ki

329
00:17:32,330 --> 00:17:36,540
aplike minimax yo jwe domestik-TAC-zòtèy.

330
00:17:36,540 --> 00:17:40,100
Nou ap ale nan bati
moute yon reprezantasyon.

331
00:17:40,100 --> 00:17:44,390
Nou pwal gen de opponent--
oswa de jwè yo, konpitè nou an

332
00:17:44,390 --> 00:17:46,090
jwè ak yon jwè imen.

333
00:17:46,090 --> 00:17:48,980

334
00:17:48,980 --> 00:17:53,090
Nimewo jwè yon sèl pral jwe
O. la Sa pral jwè a machin.

335
00:17:53,090 --> 00:17:55,747
Yo jwenn pou avanse pou pi dezyèm fwa.

336
00:17:55,747 --> 00:17:57,830
Men, yon lòt jwè a, nou an
jwè imen, yo pral X.

337
00:17:57,830 --> 00:17:59,880
>> Men, fè lavi m 'yon
ti kras senp, mwen pral

338
00:17:59,880 --> 00:18:03,060
ou mete lejann sou ke jwè yon sèl negatif.

339
00:18:03,060 --> 00:18:05,026
Se konsa, mwen ka jis anpil anpil pitit
pa youn negatif swap

340
00:18:05,026 --> 00:18:06,400
ant youn jwè ak lòt la.

341
00:18:06,400 --> 00:18:09,030

342
00:18:09,030 --> 00:18:12,250
Tout dwa, se konsa kite a pran yon gade nan
ki sa nou ap aktyèlman pral fè.

343
00:18:12,250 --> 00:18:15,840
Nou pwal defini tablo nou an.

344
00:18:15,840 --> 00:18:19,060
Li k ap pase yo dwe, byen, nou ap ale
yo ki pèmèt li nan dwe twa pa twa,

345
00:18:19,060 --> 00:18:21,580
oubyen nou ka menm jwe
senk pa senk oubyen sèt

346
00:18:21,580 --> 00:18:28,870
pa sèt domestik-TAC-zòtèy si ou ta
tankou, ki baze sou kèk dimansyon D.

347
00:18:28,870 --> 00:18:31,260
>> Epitou, n ap gen yon koup
fonksyon k'ap vin ede nan

348
00:18:31,260 --> 00:18:34,360
ki pral fè bagay sa yo tankou
inisyalize screen-- a oswa regrèt sa,

349
00:18:34,360 --> 00:18:38,900
inisyalize varyab nou an, klè nan
ekran, trase tablo a sou ekran an,

350
00:18:38,900 --> 00:18:41,060
youn ki chèk yon tablo
wè si wi ou non

351
00:18:41,060 --> 00:18:44,520
gen nan yon gayan, youn ki
analysis nan liy la bay lòd,

352
00:18:44,520 --> 00:18:50,670
jis yo dwe ede soti, youn ki li nan
D ', ak yon fonksyon rele minimax.

353
00:18:50,670 --> 00:18:52,746
Epi sa a, yon sèl la
nou pral pran swen ki pi sou.

354
00:18:52,746 --> 00:18:54,120
Men, se pou pou yo gade premye nan prensipal la.

355
00:18:54,120 --> 00:18:57,490

356
00:18:57,490 --> 00:18:58,510
>> Ki sa nou fè?

357
00:18:58,510 --> 00:19:00,570
Oke, nou ap ale nan
analizan liy lòd nou an,

358
00:19:00,570 --> 00:19:04,300
jis li nan ak wè sa ki
tablo dimansyon nou ta renmen genyen.

359
00:19:04,300 --> 00:19:07,330
Nou pral inisyalize tablo nou an.

360
00:19:07,330 --> 00:19:10,360
Lè sa a, nou pral antre nan youn
gwo bouk sovaj, repete

361
00:19:10,360 --> 00:19:16,630
aksepte mouvman jiskaske jwèt la se
te genyen, oswa gen nan pa gen mouvman kite.

362
00:19:16,630 --> 00:19:20,560
Chak fwa nou ale nan ki
riban, nou pral klè ekran an.

363
00:19:20,560 --> 00:19:23,290
Nou pral trase tablo a sou ekran an.

364
00:19:23,290 --> 00:19:28,750
Apre sa, nou ap fè espre sòt de
Abstraksyon sa yo lwen kòm subroutines,

365
00:19:28,750 --> 00:19:32,030
pou nou pa gen enkyete twòp
sou detay yo nan ki jan yo rive.

366
00:19:32,030 --> 00:19:33,480
>> Ou ap gen kòd la pita jodi a.

367
00:19:33,480 --> 00:19:37,970
Men, si ou vle gade nan
epi chèche konnen, ou ka wè yo tout.

368
00:19:37,970 --> 00:19:39,890
Men, nou pral trase yon tablo sou ekran an.

369
00:19:39,890 --> 00:19:43,620
Lè sa a, nou pral tcheke ak
wè, nou gen yon gayan?

370
00:19:43,620 --> 00:19:46,290
Èske yon moun te genyen jwèt sa a?

371
00:19:46,290 --> 00:19:49,260
Si yo gen, nou pral enprime
soti yon mesaj viktwa.

372
00:19:49,260 --> 00:19:51,680
Epitou, n ap fini jwèt la.

373
00:19:51,680 --> 00:19:54,510
>> Nou pral tcheke tou ak
wè si gen nan yon menm kantite vòt.

374
00:19:54,510 --> 00:19:56,620
Li pral fasil wè si gen nan yon menm kantite vòt.

375
00:19:56,620 --> 00:20:00,700
Sa vle di ke tout espas yo yo plen,
men gen pa te yon gayan ankò.

376
00:20:00,700 --> 00:20:03,580
Nou ka deklare yon menm kantite vòt yo epi yo dwe fè.

377
00:20:03,580 --> 00:20:10,530
Lè sa a, nan byen si meat--
li nan yon jwè machin,

378
00:20:10,530 --> 00:20:14,120
nou pral pèmèt sa
jwè machin nan rechèch

379
00:20:14,120 --> 00:20:19,500
a lè l sèvi avèk sa a algorithm minimax,
jwenn mouvman an pi bon ke li kapab.

380
00:20:19,500 --> 00:20:22,310
Lè sa a, nou pral mete ke deplase yo.

381
00:20:22,310 --> 00:20:27,640
>> Sinon, si li nan yon jwè imen,
nou pral li kèk enfòmasyon nan men gwoup moun nan.

382
00:20:27,640 --> 00:20:30,800
Lè sa a, si li nan moun nan
jwè oswa jwè a machin,

383
00:20:30,800 --> 00:20:32,800
nou pral fè yon koup ti kras
Bits nan erè kont kouran,

384
00:20:32,800 --> 00:20:36,910
asire w ke li rete nan limit yo
nan dimansyon yo reyèl nan tablo a

385
00:20:36,910 --> 00:20:40,040
ke nou gen, asire w ke
ki espas sa a vid,

386
00:20:40,040 --> 00:20:43,570
ke pa gen okenn yon sèl la mete yon
moso nan la deja.

387
00:20:43,570 --> 00:20:45,810
Lè sa a, nou pral jis mete
yon moso sou tablo a,

388
00:20:45,810 --> 00:20:51,550
chanje jwè a yo kouch kap vini an, ak
kantite konbyen mouvman te rive.

389
00:20:51,550 --> 00:20:54,090
>> Sa a riban an prensipal pou
nou an jwèt domestik-TAC-zòtèy.

390
00:20:54,090 --> 00:20:57,000

391
00:20:57,000 --> 00:21:02,340
Minimax, lè sa a, se egzakteman
algorithm a ke nou anvan.

392
00:21:02,340 --> 00:21:04,710
Ajisteman la sèlman ki
nou te fè pou nou

393
00:21:04,710 --> 00:21:07,290
ka jwe pi wo
ankadreman dimansyon se nou te

394
00:21:07,290 --> 00:21:11,070
kenbe sa a paramèt siplemantè rele pwofondè.

395
00:21:11,070 --> 00:21:14,870
Ak pwofondè jis di, si mwen se
chèche anba a jan pyebwa

396
00:21:14,870 --> 00:21:19,022
ak mwen jwenn byen lwen tèlman desann
pi lwen pase kèk pwofondè nivo

397
00:21:19,022 --> 00:21:20,730
ke mwen jis pa vle
yo ale nenpòt ki pi lwen,

398
00:21:20,730 --> 00:21:25,630
Mwen pral yo sispann ak jis
evalye tablo a nan pwen sa a.

399
00:21:25,630 --> 00:21:27,310
Mwen pral tcheke ak wè si gen nan yon gayan.

400
00:21:27,310 --> 00:21:29,240
Si gen nan yon gayan, mwen voye yo tounen.

401
00:21:29,240 --> 00:21:31,720
Sinon, mwen pral ale nan yon bouk.

402
00:21:31,720 --> 00:21:34,380
Apre sa, mwen pral di, pou tout moun nan
kote yo posib

403
00:21:34,380 --> 00:21:38,080
ki te kapab éventuellement mwen
pran kòm mouvman m 'yo, mwen pral

404
00:21:38,080 --> 00:21:43,760
bati yon tablo ipotetik ki
gen ladan mouvman m 'sou ki tablo,

405
00:21:43,760 --> 00:21:45,960
ak Lè sa a recursive rele minimax.

406
00:21:45,960 --> 00:21:49,360

407
00:21:49,360 --> 00:21:53,900
>> Si li nan mouvman m 'yo, mwen jwenn yo jwenn lan
youn ki nan te resevwa nòt nan pi gwo.

408
00:21:53,900 --> 00:21:58,710
Si li nan mouvman opozan m 'lan, nou jwenn
yon sèl la ki nan te resevwa nòt nan minimòm.

409
00:21:58,710 --> 00:22:02,240
Apre sa, tout lòt bagay se
jis dosye kenbe.

410
00:22:02,240 --> 00:22:04,789
Tout dwa, se konsa kite a wè sa a kouri.

411
00:22:04,789 --> 00:22:06,830
Aktyèlman, petèt nou kapab
jwenn yon koup la volontè

412
00:22:06,830 --> 00:22:09,930
vini ak jwe domestik-TAC-zòtèy.

413
00:22:09,930 --> 00:22:12,780
[Fèbl] yon sèl, ak yon sèl
plis, de, la a.

414
00:22:12,780 --> 00:22:13,550
Vini non sou yo.

415
00:22:13,550 --> 00:22:19,290

416
00:22:19,290 --> 00:22:23,650
>> Se konsa nou ale pi devan epi
rekòmanse sa a nèt.

417
00:22:23,650 --> 00:22:24,150
Se konsa, hi.

418
00:22:24,150 --> 00:22:24,920
>> ODYANS: Hi.

419
00:22:24,920 --> 00:22:25,420
>> Oratè: Ki sa ki nan non ou?

420
00:22:25,420 --> 00:22:26,086
>> ODYANS: Gorav.

421
00:22:26,086 --> 00:22:26,840
Oratè: Gorav.

422
00:22:26,840 --> 00:22:27,800
>> ODYANS: mwen se Layla.

423
00:22:27,800 --> 00:22:29,490
>> Oratè: Ak Layla, ak Layla, regrèt.

424
00:22:29,490 --> 00:22:30,384
Vini non sou yo.

425
00:22:30,384 --> 00:22:32,050
Gorav, nou ap ale nan gen ou ale an premye.

426
00:22:32,050 --> 00:22:37,710
Apre sa, mwen pral mande w yo dwe yon pa
fò anpil bon domestik-TAC-zòtèy jwè.

427
00:22:37,710 --> 00:22:40,130
OK, se konsa tout presyon an se koupe sou ou.

428
00:22:40,130 --> 00:22:44,660
Ann wè, menm si, ke machin nou an
jwè ka aktyèlman fè yon bagay entelijan.

429
00:22:44,660 --> 00:22:45,310
Se konsa, ale pi devan.

430
00:22:45,310 --> 00:22:49,830
W ap ale nan tape nan ki kowòdone
ou ta renmen yo mete X ou a.

431
00:22:49,830 --> 00:22:55,170
A0, OK, ak machin nan te ale
touswit, li mete mak li yo nan A1.

432
00:22:55,170 --> 00:22:56,640
>> Mete O a sou tablo a.

433
00:22:56,640 --> 00:22:58,970
Tout dwa, kounye a ale pi devan.

434
00:22:58,970 --> 00:23:00,193
Ki kote ou ta renmen ale?

435
00:23:00,193 --> 00:23:03,510

436
00:23:03,510 --> 00:23:05,090
C2.

437
00:23:05,090 --> 00:23:08,430
Te jwè machin nou pran
kare a presegondè, bloke ou.

438
00:23:08,430 --> 00:23:10,320
Se konsa, sa ki te yon bon,
bagay entelijan pou li fè.

439
00:23:10,320 --> 00:23:13,430

440
00:23:13,430 --> 00:23:14,250
Ou te bloke li.

441
00:23:14,250 --> 00:23:15,210
Sa a ekselan.

442
00:23:15,210 --> 00:23:16,390
Li pran kwen an la.

443
00:23:16,390 --> 00:23:23,890

444
00:23:23,890 --> 00:23:30,430
>> Epi, se k ap pase yo fòse ou
pran yon dènye espas, B0 la.

445
00:23:30,430 --> 00:23:32,220
Apre sa, jwèt la fini nan yon menm kantite vòt.

446
00:23:32,220 --> 00:23:35,030
Men, li te jwe yon rezonab
jwèt kont ou, dwa?

447
00:23:35,030 --> 00:23:36,956
Tout dwa, mèsi anpil, Gorav.

448
00:23:36,956 --> 00:23:40,860
>> [Aplodisman]

449
00:23:40,860 --> 00:23:44,723
>> Tout dwa, Layla, nou ap ale
moute jwèt la sou ou isit la.

450
00:23:44,723 --> 00:23:46,940
>> ODYANS: Oh, gwo.

451
00:23:46,940 --> 00:23:49,950
>> Oratè: Nou ap ale nan bay
ou kat pa kat domestik-TAC-zòtèy.

452
00:23:49,950 --> 00:23:54,760
Koulye a, nan kat pa kat, ou gen pou pou genyen
ak kat nan yon ranje, pa twa nan yon ranje.

453
00:23:54,760 --> 00:23:56,135
Apre sa, li la tout pou ou.

454
00:23:56,135 --> 00:24:02,180

455
00:24:02,180 --> 00:24:04,420
Se konsa, Layla pran D1.

456
00:24:04,420 --> 00:24:11,730
Nou ap kounye a ale nan swiv
jwè konpitè nou an isit la.

457
00:24:11,730 --> 00:24:16,910
Twa pa twa domestik-TAC-zòtèy se kalite a
de bagay ki fasil pou tout moun nan nou.

458
00:24:16,910 --> 00:24:21,960
Men, li la toujou bèl yo wè nan
jwè òdinatè fè mouvman entelijan.

459
00:24:21,960 --> 00:24:23,725
Kat nan kat vin
gen yon ti kras Delice.

460
00:24:23,725 --> 00:24:42,960

461
00:24:42,960 --> 00:24:44,230
>> Joliman fè.

462
00:24:44,230 --> 00:24:46,210
Tout dwa, se konsa Layla a fini an.

463
00:24:46,210 --> 00:24:48,270
Oh, ak nou ta dwe gen te fini la.

464
00:24:48,270 --> 00:24:51,870
Men, kite a fè yon sèl plis moute isit la.

465
00:24:51,870 --> 00:24:53,480
Se konsa, Layla, di ou mèsi.

466
00:24:53,480 --> 00:24:55,112
Joliman fè.

467
00:24:55,112 --> 00:24:57,517
>> [Aplodisman]

468
00:24:57,517 --> 00:25:00,410

469
00:25:00,410 --> 00:25:04,750
>> Se konsa, jwè domestik-TAC-zòtèy nou an ale
a epi li jwenn kote,

470
00:25:04,750 --> 00:25:07,040
rezoud yo lè l sèvi avèk minimax sa a.

471
00:25:07,040 --> 00:25:08,990
Apre sa, mwen te gen yon anviwònman pwofondè
sou sa konsa ke li

472
00:25:08,990 --> 00:25:11,010
pa t 'vle kouri twò vit,
ki se pwobableman poukisa

473
00:25:11,010 --> 00:25:16,790
Layla te kapab ale pi devan joliman
kòm li te fè, e yo te trè byen.

474
00:25:16,790 --> 00:25:20,450
Men, sistèm sa yo ki jis
ale nan ak fòs brital

475
00:25:20,450 --> 00:25:23,870
ale pi fon, ak pi fon, ak pi fon,
epi kenbe jwenn solisyon an

476
00:25:23,870 --> 00:25:29,890
ke yo bezwen, sa yo ki kalite sistèm
yo se byen siksè nan sa yo, byen,

477
00:25:29,890 --> 00:25:32,700
Komisyon Konsèy jwèt estanda.

478
00:25:32,700 --> 00:25:37,060
>> Lè an reyalite, si nou gade nan yon
twa pa twa jwèt domestik-TAC-zòtèy,

479
00:25:37,060 --> 00:25:40,040
sa a se fondamantalman yon pwoblèm rezoud.

480
00:25:40,040 --> 00:25:45,430
Lè sa a se yon dyagram bèl bagay
soti nan Randall Munroe a XKCD,

481
00:25:45,430 --> 00:25:52,130
ki montre ki deplase ou ta dwe
pran, yo bay mouvman advèsè ou a.

482
00:25:52,130 --> 00:25:56,420
Sa a se yon bagay ki nou te kapab
fasil presize devan yo nan tan.

483
00:25:56,420 --> 00:26:00,180
Men, sa ki k ap pase kòm nou jwenn nan plis
jwèt konplèks, plis jwèt konplike,

484
00:26:00,180 --> 00:26:05,690
kote gen pi gwo ankadreman, plis
posiblite, pi fon estrateji?

485
00:26:05,690 --> 00:26:09,660
>> Li sanble ke sa a
fòs brital chèche toujou

486
00:26:09,660 --> 00:26:14,150
fè li byen, eksepte
lè ou jwenn nan pwen an

487
00:26:14,150 --> 00:26:19,230
kote ki pyebwa se tèlman gwo
ke ou pa kapab reprezante li tout.

488
00:26:19,230 --> 00:26:22,370

489
00:26:22,370 --> 00:26:28,280
Lè ou pa ka kalkile pye bwa a tout antye,
lè ou pa ka ale pi devan ak pouse

490
00:26:28,280 --> 00:26:32,204
tèt ou nan pwen kote ou te
vinn pye bwa a tout antye nan memwa,

491
00:26:32,204 --> 00:26:34,370
oswa si ou ka jwenn li
nan memwa epi li pral jis

492
00:26:34,370 --> 00:26:39,200
pran ou fason twò lontan nan rechèch nan
li, ou gen fè yon bagay pi entelijan.

493
00:26:39,200 --> 00:26:42,620

494
00:26:42,620 --> 00:26:46,450
>> Yo nan lòd yo fè sa, ou
dwe fè de bagay sa yo.

495
00:26:46,450 --> 00:26:49,030
Premyèman, ou gen jwenn kèk
fason pou limite pwofondè ou yo.

496
00:26:49,030 --> 00:26:50,370
Oke, sa a, se OK.

497
00:26:50,370 --> 00:26:55,740
Nou ka jwenn kèk bèl, fè minimòm
ak di, ou ka sèlman ale twò fon anpil.

498
00:26:55,740 --> 00:27:00,890
Men, lè ou fè sa, sa vle di ou
gen sa yo ankadreman pasyèlman enkonplè.

499
00:27:00,890 --> 00:27:04,770
Epi ou gen yo chwazi, fè mwen renmen
sa a tablo pasyèlman enkonplè,

500
00:27:04,770 --> 00:27:08,600
oswa sa a tablo pasyèlman enkonplè?

501
00:27:08,600 --> 00:27:11,910
>> Yo, epi sou nou an kat pa
kat jwèt domestik-TAC-zòtèy,

502
00:27:11,910 --> 00:27:15,240
jwè konpitè nou an te desann
nan pati anba a epi li te di,

503
00:27:15,240 --> 00:27:16,800
Mwen te gen de ankadreman diferan.

504
00:27:16,800 --> 00:27:17,940
Ni se yon sèl yon genyen.

505
00:27:17,940 --> 00:27:19,120
Ni se yon sèl yon pèt.

506
00:27:19,120 --> 00:27:22,070
Ni se yon sèl yon menm kantite vòt.

507
00:27:22,070 --> 00:27:24,100
Kouman pou mwen chwazi ant yo?

508
00:27:24,100 --> 00:27:26,200
E li pa t 'gen yon
entelijan fason pou fè sa.

509
00:27:26,200 --> 00:27:28,910

510
00:27:28,910 --> 00:27:32,850
>> Nou wè sa a kalite
evalyasyon rive tout tan tout tan an

511
00:27:32,850 --> 00:27:35,290
jan nou jwenn nan jwèt pi konplike.

512
00:27:35,290 --> 00:27:37,600
Echèk se yon gwo egzanp.

513
00:27:37,600 --> 00:27:41,550
Nan echèk, nou gen, premye
nan tout, yon tablo pi gwo.

514
00:27:41,550 --> 00:27:43,370
Nou gen byen lwen plis moso.

515
00:27:43,370 --> 00:27:47,930
Ak pwezante a nan pyès sa yo
ak wout la ki pyès sa yo deplase

516
00:27:47,930 --> 00:27:50,370
se sevèman enpòtan.

517
00:27:50,370 --> 00:27:53,700
Se konsa, si mwen vle sèvi ak minimax,
Mwen bezwen pou kapab presize

518
00:27:53,700 --> 00:27:58,240
epi di, tablo sa a, kote
pa gen yon sèl te genyen oswa ki pèdi ankò,

519
00:27:58,240 --> 00:28:04,310
se yon jan kanmenm pi bon pase sa a lòt
tablo, kote pa gen yon sèl te genyen oswa pèdi.

520
00:28:04,310 --> 00:28:06,740
>> Pou fè sa, mwen ta ka fè
bagay sa yo tankou mwen ta ka jis

521
00:28:06,740 --> 00:28:10,787
konte konbyen moso fè mwen gen
ak ki jan anpil moso ou genyen?

522
00:28:10,787 --> 00:28:12,870
Ou ta ka bay diferan mwen
moso diferan pwen.

523
00:28:12,870 --> 00:28:14,420
Larenn mwen se vo 20 pwen.

524
00:28:14,420 --> 00:28:16,500
Plannen ou se vo yon pwen.

525
00:28:16,500 --> 00:28:18,920
Ki moun ki gen plis pwen manm?

526
00:28:18,920 --> 00:28:22,300
Oswa mwen ta ka konsidere bagay sa yo renmen,
ki moun ki nan te resevwa yon pozisyon nan tablo pi byen?

527
00:28:22,300 --> 00:28:26,820
Ki moun vire li kap vini an,
nenpòt ki bagay ki mwen kapab

528
00:28:26,820 --> 00:28:31,220
evalye plis presizyon
kilès nan posiblite sa yo

529
00:28:31,220 --> 00:28:34,660
se pi bon san yo pa
limitativ konsidere

530
00:28:34,660 --> 00:28:36,565
chak deplase ki te kapab vini apre sa.

531
00:28:36,565 --> 00:28:39,740

532
00:28:39,740 --> 00:28:45,130
>> Koulye a, fè ki travay,
youn nan bagay ki sa a, se

533
00:28:45,130 --> 00:28:48,680
ale nan vin vrèman enpòtan
pou nou se pa sèlman k ap deplase tou dwat

534
00:28:48,680 --> 00:28:53,720
desann nan yon pwofondè patikilye
limit, men ke yo te kapab di,

535
00:28:53,720 --> 00:28:59,380
youn nan ide sa yo ke mwen
genyen se tèlman mal ke li nan

536
00:28:59,380 --> 00:29:02,280
pa vo konsidere
tout nan fason ki posib

537
00:29:02,280 --> 00:29:06,680
ke bagay sa yo ka ale soti nan move yo vin pi mal.

538
00:29:06,680 --> 00:29:12,760
Pou fè sa, nou pral ajoute nan minimax
yon prensip yo rele Alph-beta.

539
00:29:12,760 --> 00:29:16,340
Apre sa, alfa-beta di,
si ou gen yon lide move,

540
00:29:16,340 --> 00:29:22,840
pa gaspiye tan ou ap eseye
chèche konnen egzakteman ki jan move li ye.

541
00:29:22,840 --> 00:29:24,990
>> Se konsa, isit la nan sa nou ap ale nan fè.

542
00:29:24,990 --> 00:29:28,620
Nou ap pral pran menm bagay la tou
prensip ke nou te anvan,

543
00:29:28,620 --> 00:29:32,200
menm kalite a minimax
nan rechèch, se sèlman nou ap

544
00:29:32,200 --> 00:29:37,570
ale kenbe tras, nan pa sèlman nan
valè aktyèl ke nou gen, men nou pral

545
00:29:37,570 --> 00:29:41,440
kenbe tras nan pi byen posib nan
valè ke mwen te ka jwenn,

546
00:29:41,440 --> 00:29:45,700
ak posib ki pi mal la
rezilta mwen te kapab genyen.

547
00:29:45,700 --> 00:29:50,470
Apre sa, nenpòt ki lè ki pi mal la posib
bagay se kap gen anpil chans,

548
00:29:50,470 --> 00:29:52,694
Mwen pral abandone pati sa a nan pyebwa sa a.

549
00:29:52,694 --> 00:29:54,610
Apre sa, mwen pa pral menm bezwen deranje
gade li ankò.

550
00:29:54,610 --> 00:29:57,680

551
00:29:57,680 --> 00:30:02,600
>> Tout dwa, se konsa imajine ke nou kòmanse
ak sa a menm egzak pyebwa jwèt.

552
00:30:02,600 --> 00:30:05,200
Epi, koulye a nou ap ale nan ale
desann ankò, tout wout la desann

553
00:30:05,200 --> 00:30:07,200
ak sa yo ki kwen gòch bounda bough @ branch.

554
00:30:07,200 --> 00:30:11,180
Ak nan ki anba kite kwen, nou
gade epi nou evalye tablo sa a.

555
00:30:11,180 --> 00:30:15,700
Petèt li nan yon kat pa kat domestik-TAC-zòtèy
tablo, oswa petèt li nan yon tablo echèk.

556
00:30:15,700 --> 00:30:18,620
Men, nou gade nan li, epi nou evalye
li, e nou jwenn yon valè de uit.

557
00:30:18,620 --> 00:30:22,290

558
00:30:22,290 --> 00:30:28,030
>> Nan pwen sa, nou konnen ke
nou pral jwenn omwen

559
00:30:28,030 --> 00:30:32,380
uit pwen soti nan desizyon anba sa a.

560
00:30:32,380 --> 00:30:36,620
Li pa enpòtan ki sa lòt la
de yo se, ki sèt e ke de.

561
00:30:36,620 --> 00:30:38,580
Yo te kapab gen nenpòt ki valè
yo te vle yo dwe.

562
00:30:38,580 --> 00:30:41,279
Nou pral jwenn nan
omwen uit pwen.

563
00:30:41,279 --> 00:30:43,070
Tout dwa, men nou te kapab
ale pi devan epi tcheke.

564
00:30:43,070 --> 00:30:45,080
Petèt youn nan yo se pi bon pase uit.

565
00:30:45,080 --> 00:30:46,000
>> Nou gade nan sèt la.

566
00:30:46,000 --> 00:30:46,910
Eske se sa ke pi bon pase uit?

567
00:30:46,910 --> 00:30:48,680
Non, sa pa chanje
opinyon nou an nan tout.

568
00:30:48,680 --> 00:30:49,460
Nou gade nan de la.

569
00:30:49,460 --> 00:30:50,543
Eske se sa ke pi bon pase uit?

570
00:30:50,543 --> 00:30:52,580
Non, sa pa chanje
opinyon nou an nan tout.

571
00:30:52,580 --> 00:30:55,480
Se konsa, kounye a nou konnen nou te fin itilize
tout nan posiblite yo la.

572
00:30:55,480 --> 00:30:58,330
Nou pa ap ale nan jwenn
anyen pi bon pase uit.

573
00:30:58,330 --> 00:31:01,310
Nou pral jwenn egzakteman uit.

574
00:31:01,310 --> 00:31:03,825
>> Se konsa, nou chanje sa ne ak
di, ki se kounye a yon sètitid.

575
00:31:03,825 --> 00:31:07,010

576
00:31:07,010 --> 00:31:10,270
Nou ale moute yon nivo pi wo a sa.

577
00:31:10,270 --> 00:31:13,820
Epi, koulye a nou konnen yon bagay
sou nivo sa a Minimize.

578
00:31:13,820 --> 00:31:18,560
Nou konnen ke nou pa janm ap ale nan jwenn
plis pase uit pwen si nou desann

579
00:31:18,560 --> 00:31:20,910
ki direksyon.

580
00:31:20,910 --> 00:31:22,980
Paske menm si moun
de lòt branch vire soti

581
00:31:22,980 --> 00:31:26,170
yo dwe kokenn ak vo
dè milye de pwen chak,

582
00:31:26,170 --> 00:31:31,666
opozan nou an pral ban nou an
minimòm, l'ap ban nou uit an.

583
00:31:31,666 --> 00:31:32,790
Tout dwa, byen, se pou yo wè.

584
00:31:32,790 --> 00:31:35,190
Nou pral kenbe prale desann sou menm chemen.

585
00:31:35,190 --> 00:31:38,490
Nou ale desann nan ki mwayen sou bò gòch la.

586
00:31:38,490 --> 00:31:40,560
Nou gade desann epi nou wè gen nan yon nèf.

587
00:31:40,560 --> 00:31:45,590
Nou konnen ke nou ap ale nan jwenn
omwen nèf pwen pa pral desann

588
00:31:45,590 --> 00:31:47,720
ke wout presegondè.

589
00:31:47,720 --> 00:31:52,110
Ak nan pwen sa a, nou ka jis pran yon poz.

590
00:31:52,110 --> 00:31:56,910
Apre sa, nou ka di, gade, mwen
konnen pi wo a nan nivo a,

591
00:31:56,910 --> 00:32:01,160
Mwen pral jwenn pa plis pase uit
pwen pa pral desann direksyon sa.

592
00:32:01,160 --> 00:32:05,670
Men, si mwen desann mitan an
chemen olye pou yo chemen an bò gòch,

593
00:32:05,670 --> 00:32:08,980
Mwen ta jwenn omwen nèf pwen.

594
00:32:08,980 --> 00:32:13,590
>> Opozan mwen an se pa janm ale nan
kite m 'ale desann sou menm chemen presegondè.

595
00:32:13,590 --> 00:32:14,650
Yo jwenn yo chwazi.

596
00:32:14,650 --> 00:32:18,140
Apre sa, yo ap ale nan chwazi nan
chemen ki la kite nan direksyon pou uit an,

597
00:32:18,140 --> 00:32:23,650
olye ke anba mitan an nan direksyon pou
sa ki nan omwen nèf pwen.

598
00:32:23,650 --> 00:32:25,334
Se konsa, nan pwen sa a, mwen pral sispann.

599
00:32:25,334 --> 00:32:26,500
Apre sa, mwen pral di, ou konnen ki sa?

600
00:32:26,500 --> 00:32:29,990
Mwen pa gen fè yon gade nenpòt
plis desann nan ki direksyon.

601
00:32:29,990 --> 00:32:32,270
Paske mwen pa janm mwen pral rive la.

602
00:32:32,270 --> 00:32:36,660
>> Mwen kapab sote sou ki yon sèl,
e mwen ka sote sou ki sis,

603
00:32:36,660 --> 00:32:39,720
paske ki nan pa janm pral rive.

604
00:32:39,720 --> 00:32:42,470
Se konsa, mwen pral ale desann ak mwen pral
konsidere posibilite pou vini an.

605
00:32:42,470 --> 00:32:44,830
M 'desann gen ak mwen vle di, mwen wè yon de.

606
00:32:44,830 --> 00:32:47,125
Mwen konnen si mwen jwenn yo isit la, mwen se
pral jwenn omwen de.

607
00:32:47,125 --> 00:32:49,810

608
00:32:49,810 --> 00:32:50,470
OK.

609
00:32:50,470 --> 00:32:51,520
Mwen kenbe prale.

610
00:32:51,520 --> 00:32:52,440
Mwen wè yon kat.

611
00:32:52,440 --> 00:32:54,920
Mwen konnen mwen pral jwenn omwen kat.

612
00:32:54,920 --> 00:32:57,200
Genyen toujou yon anpil ant
kat ak wit, menm si.

613
00:32:57,200 --> 00:32:58,454
Se konsa, mwen kenbe prale.

614
00:32:58,454 --> 00:32:59,870
Mwen gade desann ak mwen wè gen nan yon sèl.

615
00:32:59,870 --> 00:33:01,614
Tout dwa, mwen konnen si
M 'ale desann chemen sa a,

616
00:33:01,614 --> 00:33:03,280
Mwen pral kapab chwazi kat la.

617
00:33:03,280 --> 00:33:06,540

618
00:33:06,540 --> 00:33:08,980
Ki sa ki nan opozan m 'pral fè?

619
00:33:08,980 --> 00:33:12,310
Ant yon bagay ki ban m '
uit, yon bagay ki ban m 'kat,

620
00:33:12,310 --> 00:33:14,730
ak yon bagay ki
ki ban m 'omwen nèf,

621
00:33:14,730 --> 00:33:17,550
byen, li te ale nan ban m 'kat la.

622
00:33:17,550 --> 00:33:20,110
Apre sa, mwen konnen kounye a nan la
trè tèt, mwen pral

623
00:33:20,110 --> 00:33:23,145
pou kapab jwenn omwen
kat pwen soti nan jwèt sa a.

624
00:33:23,145 --> 00:33:27,030

625
00:33:27,030 --> 00:33:30,900
>> Lide a tout antye nan alfa-beta
se yo koupe pati pye bwa a se konsa

626
00:33:30,900 --> 00:33:32,530
ke mwen pa gade yo ankò.

627
00:33:32,530 --> 00:33:35,964
Men, li toujou sanble tankou mwen te
gade nan yon anpil nan pyebwa sa a.

628
00:33:35,964 --> 00:33:36,880
Se pou nou kenbe prale desann.

629
00:33:36,880 --> 00:33:38,305
Nou pral desann youn nan pwochen kounye a.

630
00:33:38,305 --> 00:33:39,680
Desann nan pati anba a, mwen jwenn yon yon sèl.

631
00:33:39,680 --> 00:33:41,030
Mwen konnen mwen pral jwenn omwen yon sèl.

632
00:33:41,030 --> 00:33:41,690
Mwen kenbe kap.

633
00:33:41,690 --> 00:33:42,625
>> Mwen jwenn yon twa.

634
00:33:42,625 --> 00:33:44,250
Mwen konnen mwen pral jwenn omwen twa.

635
00:33:44,250 --> 00:33:44,840
Mwen kenbe prale.

636
00:33:44,840 --> 00:33:45,660
Mwen jwenn yon senk.

637
00:33:45,660 --> 00:33:49,760
Mwen konnen mwen pral jwenn senk
si mwen jwenn desann nan ki chemen.

638
00:33:49,760 --> 00:33:52,580
Apre sa, mwen konnen lè sa a tou
ke advèsè mwen, si mwen

639
00:33:52,580 --> 00:33:55,510
chwazi mitan an nan
twa gwo chwa ki genyen yo,

640
00:33:55,510 --> 00:34:01,440
li te ale nan ban m '
yon bagay sa a, se senk oswa mwens.

641
00:34:01,440 --> 00:34:02,150
>> OK.

642
00:34:02,150 --> 00:34:03,400
Mwen kapab kenbe prale a.

643
00:34:03,400 --> 00:34:06,470
Mwen kapab gade desann ak mwen
ka di, ki sa mwen pral

644
00:34:06,470 --> 00:34:08,239
yo ka resevwa lè m 'ale desann chemen nan mitan?

645
00:34:08,239 --> 00:34:09,909
Mwen pral jwenn, byen, twa a.

646
00:34:09,909 --> 00:34:12,080
Mwen pral jwenn yon bagay
sa a, se omwen twa.

647
00:34:12,080 --> 00:34:16,030
Genyen toujou bagay ant
twa ak senk, se konsa mwen kenbe kap.

648
00:34:16,030 --> 00:34:20,203
Oh, se yon nèf, mwen pral definitivman
pran ki sou yon twa.

649
00:34:20,203 --> 00:34:22,744
Mwen pral jwenn omwen nèf
si mwen desann ke chemen presegondè.

650
00:34:22,744 --> 00:34:25,530

651
00:34:25,530 --> 00:34:31,010
>> Koulye a, opozan m 'sispann ak di,
gade, gen nan pa gen pwen ankò.

652
00:34:31,010 --> 00:34:33,669
Mwen konnen ke mwen
opozan Minimize, li se

653
00:34:33,669 --> 00:34:36,210
ale nan ban m 'bagay la sa a, se
mwens pase oswa egal a senk,

654
00:34:36,210 --> 00:34:39,030
olye ke bagay la sa a, se
pi gran pase oswa egal a nèf.

655
00:34:39,030 --> 00:34:39,530
Mwen sispann.

656
00:34:39,530 --> 00:34:40,779
Mwen pa gade nenpòt ki plis nan sa.

657
00:34:40,779 --> 00:34:43,280
Mwen kenbe prale.

658
00:34:43,280 --> 00:34:44,850
>> Mwen gade desann sou yon sèl sa a.

659
00:34:44,850 --> 00:34:46,370
Desann nan pati anba a, mwen jwenn yon sis.

660
00:34:46,370 --> 00:34:50,040
Mwen konnen mwen pral jwenn omwen sis.

661
00:34:50,040 --> 00:34:53,130
Ak sa ki mwen kapab fè?

662
00:34:53,130 --> 00:34:54,877
Mwen kapab sispann.

663
00:34:54,877 --> 00:34:57,460
Paske gen nan yon chwa ant
yon bagay sa a, se omwen sis

664
00:34:57,460 --> 00:34:59,250
ak yon bagay sa a, se
mwens pase senk, li se

665
00:34:59,250 --> 00:35:02,570
ale nan ban m 'bagay la
sa a, se mwens pase senk.

666
00:35:02,570 --> 00:35:04,779
Epi, koulye a mwen konnen mwen pral
yo ka resevwa egzakteman sa chwa.

667
00:35:04,779 --> 00:35:06,195
Mwen pral jwenn ke chwa senk.

668
00:35:06,195 --> 00:35:08,980

669
00:35:08,980 --> 00:35:10,010
>> M 'ale tounen moute nan tèt la.

670
00:35:10,010 --> 00:35:11,450
Ki mwen pral
chwazi ant yon bagay

671
00:35:11,450 --> 00:35:14,449
sa a, se pi gran pase oswa egal a kat,
oswa yon bagay sa a, se egal a senk?

672
00:35:14,449 --> 00:35:17,140
Mwen pral pran yon bagay
sa a, se omwen senk.

673
00:35:17,140 --> 00:35:20,490
M 'ale desann chemen an dènye a, tout
wout la desann nan pati anba nan.

674
00:35:20,490 --> 00:35:21,260
Genyen yon yon sèl.

675
00:35:21,260 --> 00:35:23,410
OK, omwen mwen pral jwenn yon pwen.

676
00:35:23,410 --> 00:35:24,427
Mwen kenbe prale.

677
00:35:24,427 --> 00:35:25,760
De, o, sa a, se pi bon pase yon sèl.

678
00:35:25,760 --> 00:35:27,100
Mwen pral jwenn omwen de.

679
00:35:27,100 --> 00:35:28,610
Mwen jwenn yon twa.

680
00:35:28,610 --> 00:35:31,450
Mwen konnen mwen pral jwenn twa.

681
00:35:31,450 --> 00:35:34,690
>> Ak pwen ki pi wo a sa a,
opozan m 'ki pral

682
00:35:34,690 --> 00:35:38,540
bay m 'yon bagay sa a, se
mwens pase oswa egal a twa.

683
00:35:38,540 --> 00:35:40,940
Epi, koulye a mwen kapab sispann.

684
00:35:40,940 --> 00:35:46,290
Paske nan chwa ki genyen ant m 'yo te
kapab jwenn yon senk ak advèsè mwen

685
00:35:46,290 --> 00:35:52,290
bay m 'yon bagay mwens pase twa,
M 'ap toujou ale nan pran ki senk.

686
00:35:52,290 --> 00:35:56,810
Se konsa, mwen pa evalye ki
pati anba nan pye bwa a nan tout.

687
00:35:56,810 --> 00:35:59,470
>> Koulye a, sa a ka sanble minè.

688
00:35:59,470 --> 00:36:03,630
Men, lè Bits ti kras nan aritmetik,
pi gran pase ak mwens pase,

689
00:36:03,630 --> 00:36:10,640
ka koupe lwen pati tout antye de
sa a pye bwa exponentielle ap grandi,

690
00:36:10,640 --> 00:36:14,280
ki mennen nan yon gwo
kantite lajan pou kont-depay, ekonomi

691
00:36:14,280 --> 00:36:17,630
ki gwo ase pou m '
ka kòmanse jwe konpetitif

692
00:36:17,630 --> 00:36:21,330
nan plis jwèt konplèks.

693
00:36:21,330 --> 00:36:27,030
>> Tout dwa, si nou gade nan gwosè a
ak konpleksite nan jwèt diferan,

694
00:36:27,030 --> 00:36:29,470
domestik-TAC-zòtèy te egzanp fasil nou an.

695
00:36:29,470 --> 00:36:32,150
Nou te gen yon tablo piti, twa pa twa.

696
00:36:32,150 --> 00:36:36,030
Nou jwenn, nan pi, yon mwayèn de
sou kat chwa diferan

697
00:36:36,030 --> 00:36:38,440
jan nou ale nan jwèt la.

698
00:36:38,440 --> 00:36:42,720
Nou gen yon kote alantou 10 a nan
senkyèm fèy posib diferan.

699
00:36:42,720 --> 00:36:45,200
Ak bati yon domestik-TAC-zòtèy
jwè, byen, nou jis te fè li.

700
00:36:45,200 --> 00:36:47,460
Li fasil.

701
00:36:47,460 --> 00:36:49,890
>> Si n'ap moute yon bagay ki pi
konplèks, tankou Konekte Seven.

702
00:36:49,890 --> 00:36:53,170
Ou sonje jwèt sa a kote
ou lage marqueur yo ti kras nan?

703
00:36:53,170 --> 00:36:58,490
Li se yon tablo sis pa sèt,
pa sa ki pi gwo anpil, toujou

704
00:36:58,490 --> 00:37:00,770
gen sou menm bagay la branch
faktè kòm domestik-TAC-zòtèy.

705
00:37:00,770 --> 00:37:05,410
Mwen gen sou kat chwa
ki kote mwen ka mete bagay sa yo nan.

706
00:37:05,410 --> 00:37:10,760
Men koulye a,, mwen te gen yon anpil plis
mennen, 10 a 21yèm pouvwa a.

707
00:37:10,760 --> 00:37:14,440
Sa a yon bagay ki fasil
ase ke nou rezoud li touswit.

708
00:37:14,440 --> 00:37:17,560
>> Dam, plis complex-- ou
te resevwa yon uit pa uit tablo.

709
00:37:17,560 --> 00:37:20,570
Ou se sèlman sou mwatye nan
yo nan nenpòt ki lè, menm si.

710
00:37:20,570 --> 00:37:24,930
Ou te gen yon branch
faktè ki nan sou 2.8.

711
00:37:24,930 --> 00:37:28,160
Oke, nou te gen yon koup
deplase ou ka pran.

712
00:37:28,160 --> 00:37:33,870
Ou te gen sou 10 a fèy yo 31,
pi gwo, ak pi gwo, ak pi gwo espas.

713
00:37:33,870 --> 00:37:37,340
Jan nou konnen mwen gen nan rechèch nan
moun pi gwo ak pi gwo espas,

714
00:37:37,340 --> 00:37:42,220
sa a, se lè bagay sa yo tankou alfa-beta ak
ke yo te kapab koupe lwen branch tout antye

715
00:37:42,220 --> 00:37:44,420
vin esansyèl.

716
00:37:44,420 --> 00:37:47,440
>> Koulye a, dam te fasil ase nan 1992.

717
00:37:47,440 --> 00:37:51,400
Yon pwogram òdinatè yo rele
Chinook bat dam yo nan lemonn

718
00:37:51,400 --> 00:37:53,590
chanpyon, Marion Tinsley.

719
00:37:53,590 --> 00:37:57,260
E depi lè sa a, pa gen okenn
jwè mèt imen gen

720
00:37:57,260 --> 00:38:02,290
te kapab bat pi bon an
sistèm enfòmatik.

721
00:38:02,290 --> 00:38:06,570
Si nou gade nan yon bagay tankou damye, kounye a
ankò, nou gen yon uit pa uit tablo.

722
00:38:06,570 --> 00:38:09,870
Men, nou gen pi plis konplèks
moso, anpil mouvman pi konplike.

723
00:38:09,870 --> 00:38:14,610
Nou gen yon faktè branch nan sou
35, 35 mouvman posib an mwayèn

724
00:38:14,610 --> 00:38:20,030
ke mwen ka pran, ak yon eta
espas, yon kantite fèy

725
00:38:20,030 --> 00:38:28,950
ki nan grandi nan 10 a pouvwa a 123RD,
nimewo menmen nan posiblite yo.

726
00:38:28,950 --> 00:38:35,570
>> Menm toujou, processeurs modèn
yo kapab fè sa avèk siksè.

727
00:38:35,570 --> 00:38:43,900
An 1995 ak Lè sa a nan lane 1997, yon òdinatè
pwogram yo rele Gwo twou san fon Blue konstwi pa IBM

728
00:38:43,900 --> 00:38:49,601
ki kouri sou yon supèr jeyan
bat chanpyon nan mond aktyèl la,

729
00:38:49,601 --> 00:38:50,225
Garry Kasparov.

730
00:38:50,225 --> 00:38:54,000

731
00:38:54,000 --> 00:38:56,650
Sa se te yon pwen vire.

732
00:38:56,650 --> 00:39:00,620
Jodi a, menm si, ke pwosesis menm
pouvwa chita sou MacBook m 'yo.

733
00:39:00,620 --> 00:39:04,180

734
00:39:04,180 --> 00:39:06,440
>> Vitès otomatik kenbe
ap resevwa pi vit ak pi vit.

735
00:39:06,440 --> 00:39:09,500
Nou ka evalye pi plis ak plis
ankadreman pi vit ak pi vit.

736
00:39:09,500 --> 00:39:14,550
Men, plis enpòtan, nou gen pi bon
fonksyon evalyasyon ak pi bon koupe

737
00:39:14,550 --> 00:39:15,460
metòd.

738
00:39:15,460 --> 00:39:19,560
Se konsa, nou kapab fè rechèch la
espas plis complexly.

739
00:39:19,560 --> 00:39:22,350
Pi gwo a nan tablo a
jwèt ki nou ka panse a,

740
00:39:22,350 --> 00:39:26,310
yon bagay tankou sa a, se Ale
te resevwa yon tablo 19 pa 19,

741
00:39:26,310 --> 00:39:32,490
kounye a toudenkou, nou ap sot pase pwen an
kote sistèm enfòmatik ka genyen.

742
00:39:32,490 --> 00:39:34,530
Gen nan pa gen enfòmatik
sistèm yo deyò

743
00:39:34,530 --> 00:39:38,880
ki ka bat yon pwofesyonèl Ale jwè.

744
00:39:38,880 --> 00:39:45,000
Pi bon sistèm jodi a ran a li sou
sòt nan nan nivo bon amatè.

745
00:39:45,000 --> 00:39:49,285
Se konsa, gen nan toujou byen yon ti jan soti
gen ke ou pa kapab ale nan ankò.

746
00:39:49,285 --> 00:39:51,840

747
00:39:51,840 --> 00:39:55,360
>> Tout dwa, sa yo
jwèt tablo tradisyonèl yo,

748
00:39:55,360 --> 00:39:58,560
sa yo kalite sistèm kote nou
bati minimax sa a, si li nan te resevwa

749
00:39:58,560 --> 00:40:06,300
alfa-beta oswa ou pa, algoritm sa yo travay
paske gen sèten kontrent.

750
00:40:06,300 --> 00:40:08,520
Nou gen enfòmasyon pafè
sou mond lan.

751
00:40:08,520 --> 00:40:11,690
Nou konnen ki kote tout moso yo ye.

752
00:40:11,690 --> 00:40:13,570
Mond la se estatik.

753
00:40:13,570 --> 00:40:16,220
Okenn moun pa vin pou avanse pou pi nan
moso alantou pandan y ap mwen se

754
00:40:16,220 --> 00:40:20,640
chita la panse, pran vire m 'yo.

755
00:40:20,640 --> 00:40:23,140
Genyen yon espas aksyon sa a, se disrè.

756
00:40:23,140 --> 00:40:26,900
Mwen ka mete plannen m 'isit la,
oswa mwen ka mete plannen m 'isit la.

757
00:40:26,900 --> 00:40:30,520
Mwen pa pèmèt yo mete m 'sou plannen
liy lan nan ant de kare yo.

758
00:40:30,520 --> 00:40:34,430

759
00:40:34,430 --> 00:40:36,520
>> E finalman, aksyon sa yo
se detèrminist.

760
00:40:36,520 --> 00:40:39,790
Mwen konnen ke si mwen di,
roule Knight twa,

761
00:40:39,790 --> 00:40:44,660
roule mwen ki pral fini nan Knight
twa, osi lontan ke li nan yon mouvman valab.

762
00:40:44,660 --> 00:40:47,830
Gen nan pa gen ensèten sou sa.

763
00:40:47,830 --> 00:40:52,490
Koulye a, kòm m 'ale nan plis
diferan kalite jwèt,

764
00:40:52,490 --> 00:40:55,960
nou gen kraze moun sipozisyon.

765
00:40:55,960 --> 00:41:00,020
>> E si mwen ale nan yon bagay
tankou jwèt videyo klasik?

766
00:41:00,020 --> 00:41:04,180
Isit la nan yon seleksyon nan videyo
jwèt nan Atari a 2600.

767
00:41:04,180 --> 00:41:05,180
Sa m 'genyen' kanpe?

768
00:41:05,180 --> 00:41:08,440
Mwen te gen Frogger, Espas
Anvayisè yo, Pyèj, ak PAC-Man.

769
00:41:08,440 --> 00:41:11,290

770
00:41:11,290 --> 00:41:14,840
Ki kalite anviwònman
mwen gen isit la kounye a?

771
00:41:14,840 --> 00:41:16,900
Kilès nan sa yo sipozisyon
pou m gen kraze?

772
00:41:16,900 --> 00:41:19,410

773
00:41:19,410 --> 00:41:21,570
>> Oke, li depann de jwèt la.

774
00:41:21,570 --> 00:41:28,170
Mwen te kapab jwe echèk sou 2600 an, ak
li ta jis tankou li te ye anvan.

775
00:41:28,170 --> 00:41:33,020
Pou pifò nan sistèm sa yo, gen nan
konesans konplè sou mond lan.

776
00:41:33,020 --> 00:41:36,300
Genyen konplètman
aksyon detèrminist.

777
00:41:36,300 --> 00:41:38,330
Men, anjeneral, nan mond lan
pa gen okenn estatik pi long lan.

778
00:41:38,330 --> 00:41:41,970
Sa se, pandan y ap Mwen chita la
ap tann, yon bagay ap deplase.

779
00:41:41,970 --> 00:41:44,320
Fantom yo ap vini yo ka resevwa m '.

780
00:41:44,320 --> 00:41:46,570
Se eskòpyon ki anba la a mwen anba.

781
00:41:46,570 --> 00:41:48,880
Anvayisè yo espas yo se
vini pi pre ak pi prè ou.

782
00:41:48,880 --> 00:41:54,020

783
00:41:54,020 --> 00:41:55,510
Kouman byen nou ka fè kont sa yo?

784
00:41:55,510 --> 00:41:58,640

785
00:41:58,640 --> 00:42:02,790
>> Kèk ane de sa, Google
te yon pwojè yo rele

786
00:42:02,790 --> 00:42:12,030
DeepMind, kote yo resevwa fòmasyon yon òdinatè
pwogram yo jwe Atari 2600 jwèt.

787
00:42:12,030 --> 00:42:16,120
Men, si ou panse ke sa a se pa grav
biznis, rezilta yo nan etid yo

788
00:42:16,120 --> 00:42:19,920
yo te pibliye nan Lanati, se konsa
jis sou kòm bon yon piblikasyon

789
00:42:19,920 --> 00:42:22,500
jan ou ka pètèt jwenn.

790
00:42:22,500 --> 00:42:24,340
Ak isit la a ki jan byen yo fèt.

791
00:42:24,340 --> 00:42:29,220
>> Yo gen yon algorithm ki te chita
ak gade jis entrain yo ekran.

792
00:42:29,220 --> 00:42:34,080
Li te rive pa gen okenn enstriksyon tou sa
sou règ yo nan jwèt la.

793
00:42:34,080 --> 00:42:42,610
Epi, se te sipoze konnen,
baze nòt li yo, ki jan byen li te fè.

794
00:42:42,610 --> 00:42:46,560
Sa a te yon sistèm ki itilize yon bagay
rele aprantisaj ranfòsman.

795
00:42:46,560 --> 00:42:48,380
Sa se, li te gade nòt li yo.

796
00:42:48,380 --> 00:42:51,620
Men, si li te resevwa yon nòt bon, li te di,
Mwen ta dwe sonje bagay sa yo.

797
00:42:51,620 --> 00:42:53,310
Apre sa, mwen ta dwe fè sa yo ankò.

798
00:42:53,310 --> 00:42:56,450
Men, si li te resevwa yon nòt move, li te di,
Mwen pa ta dwe fè bagay sa yo ankò.

799
00:42:56,450 --> 00:42:59,750

800
00:42:59,750 --> 00:43:03,430
>> Sa a se pèfòmans nan
nan tout sa yo ki resevwa fòmasyon sistèm

801
00:43:03,430 --> 00:43:07,490
pèmèt yo jwe pou yon
kèk èdtan sou chak jwèt,

802
00:43:07,490 --> 00:43:12,490
konpare kont joueurs pwofesyonèl.

803
00:43:12,490 --> 00:43:19,670
Se konsa, pou tout nan jwèt yo ki
bò lanmè a gòch nan liy sa a,

804
00:43:19,670 --> 00:43:25,920
pwogram òdinatè pwòp tèt ou-ki resevwa fòmasyon sa a
depase joueurs yo pwofesyonèl.

805
00:43:25,920 --> 00:43:29,690
Se pou tout bagay sa yo nan
dwa, joueurs yo pwofesyonèl

806
00:43:29,690 --> 00:43:30,920
te toujou pi bon an.

807
00:43:30,920 --> 00:43:34,040

808
00:43:34,040 --> 00:43:36,850
Pou yon bagay ki te konnen
pa gen anyen sou règleman yo, ki

809
00:43:36,850 --> 00:43:43,020
pa konnen anyen sou estrikti a nan la
jwèt, sa a se pèfòmans enpresyonan.

810
00:43:43,020 --> 00:43:45,660
Lè sa a se sa nou ap kapab fè jodi a.

811
00:43:45,660 --> 00:43:50,239
>> OK, ou di, men si nou
panse osijè de AI nan jwèt,

812
00:43:50,239 --> 00:43:52,530
nòmalman nou panse osijè de a
bagay sa yo ke nou kapab aktyèlman

813
00:43:52,530 --> 00:43:54,180
chita epi jwe kont.

814
00:43:54,180 --> 00:43:58,760
Si m 'chita ak mwen jwe
Starcraft, oswa mwen jwe gratis Aswa,

815
00:43:58,760 --> 00:44:01,870
opozan an nan òdinatè se
moun kontwole Zerg la,

816
00:44:01,870 --> 00:44:06,770
oswa kontwole lòt sivilizasyon an.

817
00:44:06,770 --> 00:44:11,920
Ki jan moun ki jwè
aktyèlman jwenn mouvman yo?

818
00:44:11,920 --> 00:44:18,810
>> Oke, jwèt sa yo yo estriktire
anpil menm jan an kòm jwèt tablo nou an,

819
00:44:18,810 --> 00:44:22,250
jwèt sa yo ke nou pral
kolektivman rele kat jwèt X,

820
00:44:22,250 --> 00:44:26,040
eksplore, expand-- bliye yo menm ki.

821
00:44:26,040 --> 00:44:26,980
Kisa yo ye?

822
00:44:26,980 --> 00:44:32,150
Eksplore, elaji, ak s'étendre,
Mwen panse ke se youn nan dènye.

823
00:44:32,150 --> 00:44:36,060
Men, yo ap fondamantalman
eksplorasyon ak konkeri jwèt.

824
00:44:36,060 --> 00:44:41,020
Tipikman, opozan a òdinatè
gen gen enfòmasyon limite.

825
00:44:41,020 --> 00:44:45,486
Yo pa konnen ekzakteman ki sa a
ale sou dèyè ki bwouya nan lagè.

826
00:44:45,486 --> 00:44:47,735
Yo pa jwenn yo wè sa ki
ou gen nan envantè ou yo.

827
00:44:47,735 --> 00:44:50,240

828
00:44:50,240 --> 00:44:52,800
>> Genyen yon anviwònman ki se dinamik.

829
00:44:52,800 --> 00:44:56,180
Tout a ap chanje tout tan tout tan an.

830
00:44:56,180 --> 00:45:00,290
Ou pa jwenn yo chita ak
rete tann yo pran deplase ou.

831
00:45:00,290 --> 00:45:02,810
Men, pi fò bagay sa yo yo toujou disrè.

832
00:45:02,810 --> 00:45:04,200
Mwen gen yo mete lavil mwen isit la.

833
00:45:04,200 --> 00:45:06,750
Oswa mwen gen yo mete lavil mwen isit la.

834
00:45:06,750 --> 00:45:08,950
Apre sa, tout bagay se detèrminist.

835
00:45:08,950 --> 00:45:14,660
Lè m 'di, deplase inite m' isit la, inite m '
deplase isit la, sof si yon obstak toudenkou

836
00:45:14,660 --> 00:45:17,700
vin antre nan jwe.

837
00:45:17,700 --> 00:45:21,610
Koulye a, sa a pa tout òdinatè
jwèt ki yo deyò jodi a.

838
00:45:21,610 --> 00:45:27,320
>> Si m 'ale ak mwen jwe yon kalite moun premye
jwèt, yon bagay tankou vòlè oswa retonbè

839
00:45:27,320 --> 00:45:33,350
oswa Skyrim, oswa Halo, kounye a
Mwen gen opozan òdinatè

840
00:45:33,350 --> 00:45:37,860
ki yo deyò ki gen
yon sitiyasyon trè diferan.

841
00:45:37,860 --> 00:45:40,020
Yo gen, ankò, enfòmasyon limite.

842
00:45:40,020 --> 00:45:43,420
Yo sèlman ka wè yon
sèten jaden de vi.

843
00:45:43,420 --> 00:45:45,180
Anviwònman an se toujou dinamik.

844
00:45:45,180 --> 00:45:48,280
Bagay sa yo yo ap chanje tout tan tout tan an.

845
00:45:48,280 --> 00:45:52,300
>> Men koulye a, mwen gen yon pi plis
kontinyèl espas aksyon.

846
00:45:52,300 --> 00:45:57,170
Mwen ka jis peeking yon
ti jan soti nan pòt la.

847
00:45:57,170 --> 00:46:00,650
Se konsa, kèk jwèt, mwen
aksyon yo Stochastic.

848
00:46:00,650 --> 00:46:04,590
Mwen jwenn pou yo eseye sote sou epi miray ranpa lavil,
men mwen te gen yon chans pou li pap resevwa.

849
00:46:04,590 --> 00:46:08,280

850
00:46:08,280 --> 00:46:14,550
Sa yo kalite jwèt ap resevwa pi pre
ak pi pre yo nan contrôleur kalite

851
00:46:14,550 --> 00:46:17,330
ke nou bati nan robotic.

852
00:46:17,330 --> 00:46:21,050
>> Nan robotic, nou dwe asime
ke nou gen enfòmasyon limite.

853
00:46:21,050 --> 00:46:23,070
Nou gen detèktè ki
di nou sou mond lan.

854
00:46:23,070 --> 00:46:25,860
Nou gen yon toujou-chanje,
dinamik anviwònman.

855
00:46:25,860 --> 00:46:30,440
Nou gen yon mond nan ki espas se
kontinyèl, olye ke disrè.

856
00:46:30,440 --> 00:46:36,260
Ak aksyon nou yo, lè nou eseye
yo, gen yon chans pou li pap resevwa.

857
00:46:36,260 --> 00:46:40,960
Lè an reyalite, jwèt modèn
contrôleur pou advèsè Halo ou,

858
00:46:40,960 --> 00:46:48,690
oswa pou moun NPCs nan Skyrim, fondamantalman
kouri ti architectures robotic.

859
00:46:48,690 --> 00:46:50,380
>> Yo santi mond lan.

860
00:46:50,380 --> 00:46:52,910
Yo bati yon modèl nan mond lan.

861
00:46:52,910 --> 00:46:57,950
Yo kalkile ki baze sou yon seri
objektif yo ke yo ta renmen akonpli.

862
00:46:57,950 --> 00:47:03,110
Yo fè plan aksyon ki baze
sou sa yo konnen.

863
00:47:03,110 --> 00:47:07,940
Ak moun ki yo se egzakteman kalite yo menm
nan sistèm ke nou bati nan robotic.

864
00:47:07,940 --> 00:47:11,420
Se konsa, sa yo architectures, nan
pote sa a tounen ansanm,

865
00:47:11,420 --> 00:47:14,500
yo souvan byen menm bagay la.

866
00:47:14,500 --> 00:47:16,340
>> Se konsa, kite a wè si nou ka wè sa.

867
00:47:16,340 --> 00:47:19,210
Se pou yo tounen nan nou an
domestik-TAC-zòtèy egzanp.

868
00:47:19,210 --> 00:47:22,690
Apre sa, mwen pral mande yon koup la mwen
pòs-Doc yo vini leve, li ede m '.

869
00:47:22,690 --> 00:47:26,970
Se konsa, Chen Ming, ak Alessandro, ak
Olivier, si ou nèg ta vini.

870
00:47:26,970 --> 00:47:32,080

871
00:47:32,080 --> 00:47:35,440
Apre sa, mwen ale nan bezwen
yon koup la volontè

872
00:47:35,440 --> 00:47:37,590
>> OK, mwen te wè yon dwa men moute
gen la nan mitan yo.

873
00:47:37,590 --> 00:47:39,965
Kite m 'pran yon sèl plis, yon moun
pli lwen nan do a petèt.

874
00:47:39,965 --> 00:47:40,881
Tout dwa, sou la.

875
00:47:40,881 --> 00:47:41,490
Vini non sou yo.

876
00:47:41,490 --> 00:47:44,190

877
00:47:44,190 --> 00:47:45,335
Tout dwa.

878
00:47:45,335 --> 00:47:49,490
Se konsa, kite a pran ki kouvri desann.

879
00:47:49,490 --> 00:48:03,700
Men, si ou nèg t 'vle vini dwat
tounen alantou isit la pou m ', kokenn.

880
00:48:03,700 --> 00:48:06,580
>> Se konsa, sa a se yon robo rele Baxter.

881
00:48:06,580 --> 00:48:10,880
Apre sa, Baxter se yon robo ki nan yon
platfòm komèsyal, ki fèt

882
00:48:10,880 --> 00:48:13,030
pa yon konpayi yo rele repanse.

883
00:48:13,030 --> 00:48:16,580
Epi se sa a robo ki fèt
pou ti-echèl manifakti.

884
00:48:16,580 --> 00:48:19,265
Men, jodi a nou ap ale nan
sèvi ak li yo jwe domestik-TAC-zòtèy.

885
00:48:19,265 --> 00:48:21,930

886
00:48:21,930 --> 00:48:27,150
Koulye a, sa a robo se yon bagay tou
sa a, se relativman inik.

887
00:48:27,150 --> 00:48:32,950
Paske si mwen te kanpe nenpòt kote
fèmen nan yon automatisation faktori estanda

888
00:48:32,950 --> 00:48:39,580
sistèm, mwen ta dwe nan trè kavo
danje pou yo te blese.

889
00:48:39,580 --> 00:48:45,600
>> Baxter, sepandan, se fèt yo dwe
relativman an sekirite yo kominike avèk yo.

890
00:48:45,600 --> 00:48:48,680
Se konsa, mwen ka pouse sou sa a robo.

891
00:48:48,680 --> 00:48:52,350
Epi ou ka wè li nan yon ti kras
ti jan fleksib pandan l ap deplase alantou.

892
00:48:52,350 --> 00:48:57,250
Apre sa, mwen ka replace li
kote mwen ta renmen li yo ale.

893
00:48:57,250 --> 00:49:03,410
Koulye a, nan yon sistèm Robotics nòmal,
nou ta gen yon seri jwenti isit la

894
00:49:03,410 --> 00:49:07,970
ki ta ka dirèkteman
reponn a kòmandman pozisyon.

895
00:49:07,970 --> 00:49:13,180
Apre sa, yo pa ta nesesèman pran swen
si yo te k ap deplase nan lè louvri,

896
00:49:13,180 --> 00:49:15,555
oswa si yo te k ap deplase
a ribcage m 'yo.

897
00:49:15,555 --> 00:49:18,410

898
00:49:18,410 --> 00:49:19,120
>> OK.

899
00:49:19,120 --> 00:49:22,090
Ak tipikman, si ou te
isit la ak yon sistèm endistriyèl,

900
00:49:22,090 --> 00:49:23,400
ou ta ale okenn kote tou pre li.

901
00:49:23,400 --> 00:49:26,280
Gen ta dwe jòn
tep sekirite tout bò kote l '.

902
00:49:26,280 --> 00:49:28,310
Sistèm sa a te gen yon
yon ti kras diferan konsepsyon

903
00:49:28,310 --> 00:49:32,130
yo dwe favorable ak pi fasil
pou moun yo kominike avèk,

904
00:49:32,130 --> 00:49:36,380
nan ki nan chak jwenti, gen nan yon sezon prentan.

905
00:49:36,380 --> 00:49:39,110
Apre sa, olye ke kontwole
yon pozisyon egzak,

906
00:49:39,110 --> 00:49:43,110
nou kontwole yon sèten kantite
koupl, yon sèten kantite fòs,

907
00:49:43,110 --> 00:49:45,874
ke nou ta renmen yo dwe sou sa prentan.

908
00:49:45,874 --> 00:49:47,790
Tout dwa, se konsa, kite m '
pran volontè nou yo isit la.

909
00:49:47,790 --> 00:49:48,540
Hi, sa ki nan non ou?

910
00:49:48,540 --> 00:49:49,010
>> ODYANS: Louis.

911
00:49:49,010 --> 00:49:49,635
>> Oratè: Louis.

912
00:49:49,635 --> 00:49:50,490
Nice yo wè ou.

913
00:49:50,490 --> 00:49:50,990
Apre sa,?

914
00:49:50,990 --> 00:49:51,610
>> ODYANS: David.

915
00:49:51,610 --> 00:49:51,960
>> Oratè: David.

916
00:49:51,960 --> 00:49:52,550
Nice al kontre ou.

917
00:49:52,550 --> 00:49:54,508
Si ou nèg ta rete tann
dwa isit la pou yon dezyèm fwa,

918
00:49:54,508 --> 00:49:56,420
Mwen pral ba ou
yon chans fè sa.

919
00:49:56,420 --> 00:50:00,610
Se konsa, sa a robo, si ou vini
epi si ou pouse dousman sou li,

920
00:50:00,610 --> 00:50:03,780
w ap ale nan wè ke
l ap deplase yon ti kras.

921
00:50:03,780 --> 00:50:06,349
Men, si ou gen tan pwan li dwat
isit la sou ponyèt la jis

922
00:50:06,349 --> 00:50:09,390
pi wo a ki kote bouton sa yo se, li
sanble ou ta dwe gen tan pwan bouton sa yo,

923
00:50:09,390 --> 00:50:13,100
men gen tan pwan dwa pi wo a li olye de sa, ou pral
kapab trè dousman manipile li

924
00:50:13,100 --> 00:50:14,545
nan espas.

925
00:50:14,545 --> 00:50:15,920
Louis, ou vle bay li yon eseye?

926
00:50:15,920 --> 00:50:19,465
Se konsa, bay li jis yon ti kras
pouse yo kòmanse avèk yo.

927
00:50:19,465 --> 00:50:23,190
Lè sa a, si ou mete dwèt ou
dwa gen ak kenbe nan li,

928
00:50:23,190 --> 00:50:24,807
paske li ap deplase pou ou lè sa a.

929
00:50:24,807 --> 00:50:27,824

930
00:50:27,824 --> 00:50:29,365
Tout dwa, ou vle bay li yon eseye?

931
00:50:29,365 --> 00:50:29,980
Vini non sou yo.

932
00:50:29,980 --> 00:50:32,300
Se konsa, bay li jis yon dou
pouse gen yo kòmanse.

933
00:50:32,300 --> 00:50:33,820
Ou ka santi w sa ki la renmen.

934
00:50:33,820 --> 00:50:40,060
Lè sa a, si ou gen tan pwan li dwat la,
ou pral kapab manevwe nan alantou.

935
00:50:40,060 --> 00:50:41,280
>> OK.

936
00:50:41,280 --> 00:50:47,360
Se konsa, tipikman, sa a kalite yon robo ta
gen pou itilize pou ti manifakti echèl.

937
00:50:47,360 --> 00:50:50,980
Apre sa, mwen pral pou avanse pou pi bra sa a jis
desann soti nan fason an yon ti jan isit la.

938
00:50:50,980 --> 00:50:55,750
Men, jodi a, nou ap ale nan sèvi ak nan
menm sistèm ap jwe domestik-TAC-zòtèy

939
00:50:55,750 --> 00:50:59,520
ki baze sou minimax ke nou bati pi bonè.

940
00:50:59,520 --> 00:51:00,549
OK?

941
00:51:00,549 --> 00:51:02,340
Se konsa, ou nèg yo chak
ale nan jwe yon jwèt.

942
00:51:02,340 --> 00:51:04,210
Louis, w ap ale nan pran devan.

943
00:51:04,210 --> 00:51:05,920
Kite m 'jis kenbe moute isit la pou yon dezyèm fwa.

944
00:51:05,920 --> 00:51:10,949
Mwen pral gen ou kanpe dwat
isit la, jis pou tout moun ka wè ou.

945
00:51:10,949 --> 00:51:11,990
Èske ou nèg mete kanpe isit la?

946
00:51:11,990 --> 00:51:13,120
>> OTOMATIK: Byenveni.

947
00:51:13,120 --> 00:51:15,910
Se pou yo jwe domestik-TAC-zòtèy.

948
00:51:15,910 --> 00:51:20,860
Pa atrab siy ou anvan
M 'ap di ke li se vire ou.

949
00:51:20,860 --> 00:51:22,050
Mwen kòmanse jwèt la.

950
00:51:22,050 --> 00:51:27,900

951
00:51:27,900 --> 00:51:28,750
Li se vire m 'yo.

952
00:51:28,750 --> 00:51:47,002

953
00:51:47,002 --> 00:51:50,210
Oratè: Koulye a, si ou ta ka pran youn nan
moso ou ak ale pi devan epi mete l '.

954
00:51:50,210 --> 00:51:51,446
OTOMATIK: Li se vire ou.

955
00:51:51,446 --> 00:51:53,430
[Ri]

956
00:51:53,430 --> 00:51:54,836
Li se vire m 'yo.

957
00:51:54,836 --> 00:51:56,820
[Ri]

958
00:51:56,820 --> 00:52:12,196

959
00:52:12,196 --> 00:52:15,680
[Ri]

960
00:52:15,680 --> 00:52:16,570
Li se vire ou.

961
00:52:16,570 --> 00:52:21,397

962
00:52:21,397 --> 00:52:23,688
Oratè: Ras nan moun se
konte sou ou isit la, Louis.

963
00:52:23,688 --> 00:52:27,440

964
00:52:27,440 --> 00:52:28,350
>> OTOMATIK: Li se vire m 'yo.

965
00:52:28,350 --> 00:52:44,810

966
00:52:44,810 --> 00:52:47,015
>> Oratè: Se konsa, Baxter
avèk siksè bloke isit la.

967
00:52:47,015 --> 00:52:49,670

968
00:52:49,670 --> 00:52:52,480
>> OTOMATIK: Li se vire ou.

969
00:52:52,480 --> 00:52:53,360
Li se vire m 'yo.

970
00:52:53,360 --> 00:53:14,730

971
00:53:14,730 --> 00:53:16,810
Li se vire ou.

972
00:53:16,810 --> 00:53:17,760
Li se vire m 'yo.

973
00:53:17,760 --> 00:53:21,330

974
00:53:21,330 --> 00:53:23,830
Oratè: Epitou, n ap kite Baxter
fini soti deplase dènye li yo isit la.

975
00:53:23,830 --> 00:53:36,622

976
00:53:36,622 --> 00:53:39,090
>> [Ri]

977
00:53:39,090 --> 00:53:40,480
>> OTOMATIK: Sa se yon menm kantite vòt.

978
00:53:40,480 --> 00:53:42,030
Mwen pral genyen pwochen fwa.

979
00:53:42,030 --> 00:53:43,365
>> [Ri]

980
00:53:43,365 --> 00:53:45,210
>> Oratè: Tout dwa,
gras anpil, Louis.

981
00:53:45,210 --> 00:53:46,094
Mèsi.

982
00:53:46,094 --> 00:53:46,980
Ou ka ale nan fason sa.

983
00:53:46,980 --> 00:53:49,759
>> OTOMATIK: Mwen kòmanse jwèt la.

984
00:53:49,759 --> 00:53:51,800
Oratè: Se konsa, kite m 'esplike
bay ou yon sèl plis ti kras

985
00:53:51,800 --> 00:53:55,410
ti jan anvan nou jwenn rematch nou an isit la.

986
00:53:55,410 --> 00:53:57,200
Ki sa egzakteman k ap pase?

987
00:53:57,200 --> 00:53:59,430
Se konsa, robo la te gen yon kamera moute tèt isit la.

988
00:53:59,430 --> 00:54:01,330
Apre sa, li la kap desann nan tablo an.

989
00:54:01,330 --> 00:54:04,470
Apre sa, li nan wè si wi ou non
li nan te resevwa yon O wouj oswa yon ble

990
00:54:04,470 --> 00:54:10,450
ak X. blan kou moun debarase mete sou la
tablo, sa a, se fondamantalman opinyon an menm

991
00:54:10,450 --> 00:54:13,890
ke nou ta dwe lekti nan soti nan
nou an estrikti done ki sòti nan ekran nou an.

992
00:54:13,890 --> 00:54:17,290
Li nan menm bagay la tou kouri
minimax algorithm yo dwe

993
00:54:17,290 --> 00:54:21,010
kapab jwenn ki kote yo
mete yon siy bon.

994
00:54:21,010 --> 00:54:24,820
>> Lè sa a, nou ap bay yon lòd sou
kote nou ta renmen yon siy yo dwe mete.

995
00:54:24,820 --> 00:54:26,120
Bra a ap deplase soti.

996
00:54:26,120 --> 00:54:31,750
Li nan itilize yon gri vakyòm pou aplike pou
kèk pou aspirasyon ak sa yo ki moso bwa,

997
00:54:31,750 --> 00:54:35,240
ranmase l, avanse pou li a dwat a
tach, ak Lè sa a lage pou aspirasyon nan

998
00:54:35,240 --> 00:54:36,950
ak gout li.

999
00:54:36,950 --> 00:54:38,990
Tout dwa, nou ap ale
bay li yon sèl piki plis

1000
00:54:38,990 --> 00:54:40,930
ak yon jwè ti kras pi entelijan isit la.

1001
00:54:40,930 --> 00:54:42,290
Ou pare?

1002
00:54:42,290 --> 00:54:46,150
Tout dwa, si ou ta kanpe dwa moute
isit la epi bay a-- vire soti fason sa a

1003
00:54:46,150 --> 00:54:47,955
pou ou kapab wè tout moun.

1004
00:54:47,955 --> 00:54:48,830
Lè sa a, [fèbl].

1005
00:54:48,830 --> 00:54:49,330
>> OTOMATIK: Li se vire m 'yo.

1006
00:54:49,330 --> 00:54:50,455
>> Oratè: Baxter ap kòmanse.

1007
00:54:50,455 --> 00:55:10,750

1008
00:55:10,750 --> 00:55:11,730
Li se vire ou.

1009
00:55:11,730 --> 00:55:16,490

1010
00:55:16,490 --> 00:55:17,520
Li se vire m 'yo.

1011
00:55:17,520 --> 00:55:38,740

1012
00:55:38,740 --> 00:55:39,690
Li se vire ou.

1013
00:55:39,690 --> 00:55:46,330

1014
00:55:46,330 --> 00:55:47,165
Li se vire m 'yo.

1015
00:55:47,165 --> 00:56:01,252

1016
00:56:01,252 --> 00:56:06,192
>> [Ri]

1017
00:56:06,192 --> 00:56:08,542
>> Oratè: [WHISPERING] Jis
se pou l 'ale pi devan genyen ak.

1018
00:56:08,542 --> 00:56:09,500
OTOMATIK: Li se vire ou.

1019
00:56:09,500 --> 00:56:15,099

1020
00:56:15,099 --> 00:56:15,890
Oratè: Sa a OK.

1021
00:56:15,890 --> 00:56:20,390

1022
00:56:20,390 --> 00:56:21,360
>> OTOMATIK: Li se vire m 'yo.

1023
00:56:21,360 --> 00:56:24,825

1024
00:56:24,825 --> 00:56:26,805
>> [Ri]

1025
00:56:26,805 --> 00:56:42,650

1026
00:56:42,650 --> 00:56:43,510
>> Mwen genyen.

1027
00:56:43,510 --> 00:56:45,620
>> [Ri]

1028
00:56:45,620 --> 00:56:46,595
>> Mwen kòmanse jwèt la.

1029
00:56:46,595 --> 00:56:48,261
>> Oratè: Tout dwa, di ou mèsi anpil.

1030
00:56:48,261 --> 00:56:50,180

1031
00:56:50,180 --> 00:56:55,590
Tout dwa, mwen panse ke nou te gen tan pou
yon sèl plis ekselan jwè domestik-TAC-zòtèy,

1032
00:56:55,590 --> 00:57:00,490
yon moun ki ka mete sa a bagay yo
matche ak, ki moun ki konnen sa yo ap fè.

1033
00:57:00,490 --> 00:57:03,010
>> [Ri]

1034
00:57:03,010 --> 00:57:05,560
>> Ki moun ki k ap pase yo dwe chanpyon nou an isit la?

1035
00:57:05,560 --> 00:57:08,110
Tout dwa, zanmi ou yo volontè ou.

1036
00:57:08,110 --> 00:57:11,190
Sa a bon ase pou m '.

1037
00:57:11,190 --> 00:57:12,194
Manyè di m 'non ou ankò.

1038
00:57:12,194 --> 00:57:12,860
ODYANS: Baymak.

1039
00:57:12,860 --> 00:57:14,193
Oratè: Baymak, bèl wè ou.

1040
00:57:14,193 --> 00:57:19,270
Tout dwa, ankò, nou ap ale nan mete ou
dwa moute isit la pou tout moun ka wè ou.

1041
00:57:19,270 --> 00:57:22,070
Ou se reprezantan nou an
nan sa a matche ak kounye a.

1042
00:57:22,070 --> 00:57:24,540
Baxter se yon sèl ak oh ak oh.

1043
00:57:24,540 --> 00:57:26,300
Ou regrèt, youn oh ak yon sèl.

1044
00:57:26,300 --> 00:57:27,490
Apre sa, li a jiska ou isit la.

1045
00:57:27,490 --> 00:57:29,340
Baxter pral jwenn pou avanse pou pi an premye, menm si.

1046
00:57:29,340 --> 00:57:30,435
So.

1047
00:57:30,435 --> 00:57:31,310
OTOMATIK: Li se vire m 'yo.

1048
00:57:31,310 --> 00:57:45,226

1049
00:57:45,226 --> 00:57:48,208
>> [Ri]

1050
00:57:48,208 --> 00:57:52,720

1051
00:57:52,720 --> 00:57:55,780
>> Li se vire ou.

1052
00:57:55,780 --> 00:57:56,845
Li se vire m 'yo.

1053
00:57:56,845 --> 00:58:18,130

1054
00:58:18,130 --> 00:58:18,965
Li se vire ou.

1055
00:58:18,965 --> 00:58:28,751

1056
00:58:28,751 --> 00:58:30,248
Li se vire m 'yo.

1057
00:58:30,248 --> 00:58:51,210

1058
00:58:51,210 --> 00:58:52,160
Li se vire ou.

1059
00:58:52,160 --> 00:59:00,854

1060
00:59:00,854 --> 00:59:03,365
>> [Ri]

1061
00:59:03,365 --> 00:59:04,240
OTOMATIK: Li se vire m 'yo.

1062
00:59:04,240 --> 00:59:06,930
Oratè: Li se yon anpil pi rèd lè
w ap kanpe isit la, jan.

1063
00:59:06,930 --> 00:59:19,400

1064
00:59:19,400 --> 00:59:21,840
[Ri]

1065
00:59:21,840 --> 00:59:26,730

1066
00:59:26,730 --> 00:59:29,054
OTOMATIK: Ou moun yo, se pou fasil yo bat.

1067
00:59:29,054 --> 00:59:30,803
[Ri ak aplodisman]

1068
00:59:30,803 --> 00:59:31,886
Oratè: Mèsi anpil.

1069
00:59:31,886 --> 00:59:34,692
OTOMATIK: Mwen genyen.

1070
00:59:34,692 --> 00:59:35,400
Mwen kòmanse jwèt la.

1071
00:59:35,400 --> 00:59:39,500
>> Oratè: Tout dwa, se konsa gras trè
anpil yo Olivier, ak Alessandro,

1072
00:59:39,500 --> 00:59:41,616
ak Chen Ming.

1073
00:59:41,616 --> 00:59:45,600
>> [Aplodisman]

1074
00:59:45,600 --> 00:59:47,040
>> Mwen vle fè yon dènye pwen.

1075
00:59:47,040 --> 00:59:51,630
Se konsa, Baxter nan anpil nan
fini la, janm pwofite sou pesonn.

1076
00:59:51,630 --> 00:59:54,160

1077
00:59:54,160 --> 00:59:56,310
Ak sa ki te inatandi.

1078
00:59:56,310 --> 01:00:00,440
Youn nan kokenn nan
bagay sou lavil Ayi se ke nou

1079
01:00:00,440 --> 01:00:05,070
fè travay nan lavil Ayi pou nou ka bati
reyèlman enteresan ak entelijan

1080
01:00:05,070 --> 01:00:06,930
ki bay sipò.

1081
01:00:06,930 --> 01:00:10,130
Men, nou tou fè travay nan lavil Ayi
paske li di nou yon bagay

1082
01:00:10,130 --> 01:00:13,940
sou ki jan moun yo se entelijan.

1083
01:00:13,940 --> 01:00:17,280
>> Youn nan pi renmen an
syans soti nan laboratwa mwen an se

1084
01:00:17,280 --> 01:00:23,660
gade nan sa ki pase lè
machin san atann tronpe.

1085
01:00:23,660 --> 01:00:27,070
Nou te fè sa a orijinal pa avèk
Baxter jwe domestik-TAC-zòtèy,

1086
01:00:27,070 --> 01:00:30,340
men ki gen yon robo ki pi piti yo te rele Nao,
ki te jwe wòch-papye-sizo.

1087
01:00:30,340 --> 01:00:33,010

1088
01:00:33,010 --> 01:00:35,800
Epi pafwa apre
jwe anpil ak anpil

1089
01:00:35,800 --> 01:00:41,580
a raz wòch-papye-sizo jwèt,
robo a ta jete yon jès,

1090
01:00:41,580 --> 01:00:48,616
pèdi, ak Lè sa a toudenkou chanje
jès li yo ak di, mwen genyen.

1091
01:00:48,616 --> 01:00:50,480
>> [Ri]

1092
01:00:50,480 --> 01:00:56,090
>> Koulye a, pafwa nou ta yo te genyen tou robo a,
jis kòm yon kontwòl, jete yon jès,

1093
01:00:56,090 --> 01:01:01,270
genyen, ak chanje li yo jès
pèdi, jete match la,

1094
01:01:01,270 --> 01:01:04,070
tronpe yo nan lòd yo pèdi.

1095
01:01:04,070 --> 01:01:07,540
E ke se pa prèske kòm konvenkan.

1096
01:01:07,540 --> 01:01:09,890
Robo nan ki tricheurs
yo nan lòd pou pou genyen moun ki

1097
01:01:09,890 --> 01:01:14,660
reponn a kòm si li se
soti nan jwenn yo, tankou li

1098
01:01:14,660 --> 01:01:17,690
se aktivman ap chèche destriksyon yo.

1099
01:01:17,690 --> 01:01:19,210
>> [Ri]

1100
01:01:19,210 --> 01:01:20,990
>> Li vin tounen yon ajan.

1101
01:01:20,990 --> 01:01:21,840
Li tankou yon moun.

1102
01:01:21,840 --> 01:01:23,970
Li te gen kwayans ak entansyon.

1103
01:01:23,970 --> 01:01:27,470
Epi li pa bon entansyon.

1104
01:01:27,470 --> 01:01:33,790
Apre sa, robo nan ki lanse nan
jwèt se jis fonksyonen byen.

1105
01:01:33,790 --> 01:01:36,990
Se jis nan yon aparèy kase.

1106
01:01:36,990 --> 01:01:41,405
Kite m 'montre w yon koup nan egzanp
nan ki sòti nan yon kèk nan patisipan nou an.

1107
01:01:41,405 --> 01:01:43,990

1108
01:01:43,990 --> 01:01:45,600
Se konsa, isit la nan fason ou kapab triche nan lòd yo pèdi.

1109
01:01:45,600 --> 01:01:46,266
>> [VIDEO lèktur]

1110
01:01:46,266 --> 01:01:47,010
- [Fèbl] genyen.

1111
01:01:47,010 --> 01:01:49,550
An nou jwe.

1112
01:01:49,550 --> 01:01:50,538
>> -Wait, Ki sa?

1113
01:01:50,538 --> 01:01:54,490

1114
01:01:54,490 --> 01:01:55,352
>> - [Fèbl] genyen.

1115
01:01:55,352 --> 01:01:58,280
An nou jwe.

1116
01:01:58,280 --> 01:01:59,400
>> [Fèbl] genyen.

1117
01:01:59,400 --> 01:02:02,290
An nou jwe.

1118
01:02:02,290 --> 01:02:05,490
>> Oratè: Ak isit la nan fason ou kapab triche pou pou genyen.

1119
01:02:05,490 --> 01:02:06,438
>> -Wi, Mwen genyen.

1120
01:02:06,438 --> 01:02:07,394
An nou jwe.

1121
01:02:07,394 --> 01:02:08,828
>> -Ou Pa ka fè sa.

1122
01:02:08,828 --> 01:02:10,740
>> [Ri]

1123
01:02:10,740 --> 01:02:12,174

1124
01:02:12,174 --> 01:02:13,979
>> -Wi, Mwen genyen.

1125
01:02:13,979 --> 01:02:14,520
-Ou Janm pwofite sou pesonn.

1126
01:02:14,520 --> 01:02:17,990

1127
01:02:17,990 --> 01:02:20,010
Ou janm pwofite sou pesonn kounye a.

1128
01:02:20,010 --> 01:02:21,140
>> -Wi, Mwen genyen.

1129
01:02:21,140 --> 01:02:22,940
>> -Hey, Ou tronpeur.

1130
01:02:22,940 --> 01:02:26,670
Ou tronpe, super twonpe.

1131
01:02:26,670 --> 01:02:27,650
>> [END lèktur]

1132
01:02:27,650 --> 01:02:31,130
>> Oratè: Sa yo diferan
reyaksyon rapidman

1133
01:02:31,130 --> 01:02:34,890
chanje pèsepsyon nou an nan aparèy la.

1134
01:02:34,890 --> 01:02:36,780
Ki vle di ke
nou fè espre bati

1135
01:02:36,780 --> 01:02:40,370
machin ki tronpe paske se sa
jeni ki pi bon ke nou kapab fè?

1136
01:02:40,370 --> 01:02:44,680
Non, men li di nou yon bagay
reyèlman enteresan sou moun.

1137
01:02:44,680 --> 01:02:49,710
Sa bagay ki ou menm ak tricheurs
vòlè viktwa ou, sa se

1138
01:02:49,710 --> 01:02:53,660
yon bagay sa a, se, tou vivan, sa a, se
enkouraje, sa se soti nan jwenn ou.

1139
01:02:53,660 --> 01:02:54,680
Li te gen eta mantal.

1140
01:02:54,680 --> 01:02:55,400
Li te gen kwayans li.

1141
01:02:55,400 --> 01:02:57,170
Li te gen entansyon.

1142
01:02:57,170 --> 01:03:01,540
>> Sa bagay ki men yo
jwèt nou la a, sa a, se pa.

1143
01:03:01,540 --> 01:03:04,670
Se jis fonksyonen byen.

1144
01:03:04,670 --> 01:03:08,900
Sa a se nan plizyè fason poukisa li a
fasil yo voye jete jwèt la ak timoun.

1145
01:03:08,900 --> 01:03:12,050
Men, si ou eseye tronpe yo
ak sòt de reklamasyon viktwa

1146
01:03:12,050 --> 01:03:15,200
lè, ou konnen, jis yo diminye nan
jwèt, yo pral trape ou touswit.

1147
01:03:15,200 --> 01:03:19,040

1148
01:03:19,040 --> 01:03:23,140
Sa yo kalite efè ki
nou wè ap vini soti nan lavil Ayi,

1149
01:03:23,140 --> 01:03:26,490
yo anseye nou anpil bagay sou tèt nou.

1150
01:03:26,490 --> 01:03:28,076
>> Tout dwa, sa a, se li pou jodi a.

1151
01:03:28,076 --> 01:03:30,450
Mèsi anpil jwenn David ak
ekip la pwodiksyon Harvard

1152
01:03:30,450 --> 01:03:32,350
pou vini desann.

1153
01:03:32,350 --> 01:03:33,820
>> [Aplodisman]

1154
01:03:33,820 --> 01:03:36,760

1155
01:03:36,760 --> 01:03:41,840
>> Nou pwal wè ou pou egzamen yon sèl,
ak Lè sa a pou yon dènye konferans.

1156
01:03:41,840 --> 01:03:43,025
Pase yon bon jounen.

1157
01:03:43,025 --> 01:03:44,965
>> [Aplodisman]

1158
01:03:44,965 --> 01:03:48,360

1159
01:03:48,360 --> 01:03:51,825
>> [MIZIK jwe]

1160
01:03:51,825 --> 01:03:54,950
DAVID Malan J: Bon, nou pwobableman bezwen
prezante kèk kalite chifreman,

1161
01:03:54,950 --> 01:03:55,450
dwa?

1162
01:03:55,450 --> 01:03:58,650
Paske lè sa a Tèt yo nan
sa yo demann HTTP yo pral

1163
01:03:58,650 --> 01:04:01,530
grenpe moute pou ke nenpòt moun ki
ap eseye santi'w trafik ou

1164
01:04:01,530 --> 01:04:03,400
pa pral aktyèlman ap kapab wè yo.

1165
01:04:03,400 --> 01:04:05,254
Se konsa, sa ki nan solisyon an nan pwoblèm sa a?

1166
01:04:05,254 --> 01:04:07,920
Oke, nou bezwen aktyèlman prezante
chifreman nan fòmil la,

1167
01:04:07,920 --> 01:04:11,010
se konsa ke lè moun sa a se
transmèt done ki sòti nan A jiska B,

1168
01:04:11,010 --> 01:04:12,390
nou kapab byen send--

1169
01:04:12,390 --> 01:04:14,590
>> [Ri]

1170
01:04:14,590 --> 01:04:19,530
>> Enfòmasyon ki nan yon fason ki an
lènmi pa ka, an reyalite, wè li.