1 00:00:00,000 --> 00:00:10,680 2 00:00:10,680 --> 00:00:14,632 >> [MUSIC PLAYING] 3 00:00:14,632 --> 00:01:05,452 4 00:01:05,452 --> 00:01:08,660 DAVID MALAN: So my new Mike is probably in the latter half of the phone book. 5 00:01:08,660 --> 00:01:14,094 I can now tear the problem in half. 6 00:01:14,094 --> 00:01:16,564 That was actually real, that struggle. 7 00:01:16,564 --> 00:01:20,516 >> [MUSIC PLAYING] 8 00:01:20,516 --> 00:01:49,740 9 00:01:49,740 --> 00:01:53,268 >> ROBOT: You humans are so easy to beat. 10 00:01:53,268 --> 00:01:54,250 >> DAVID MALAN: All right. 11 00:01:54,250 --> 00:01:59,660 This is CS50 and this is the end of week 11. 12 00:01:59,660 --> 00:02:03,880 So we do hope, particularly coming on the heels of quiz one, that all of you 13 00:02:03,880 --> 00:02:07,190 are relieved but also proud of just how far you've come. 14 00:02:07,190 --> 00:02:11,080 >> Indeed, so many of you-- 72% if last year is any reflection-- 15 00:02:11,080 --> 00:02:13,990 had no prior experience taking a computer science course before. 16 00:02:13,990 --> 00:02:17,880 And so even if you were feeling a little less than excited 17 00:02:17,880 --> 00:02:21,020 as to how quiz zero or one or some particular piece had turned out, 18 00:02:21,020 --> 00:02:24,680 just consider the delta from today versus week zero. 19 00:02:24,680 --> 00:02:27,487 >> Indeed, this, recall is pretty much where we started. 20 00:02:27,487 --> 00:02:30,070 And for many of you, just getting those darn for loops to work 21 00:02:30,070 --> 00:02:32,450 may have been an initial challenge and I would encourage you at some point, 22 00:02:32,450 --> 00:02:34,200 if you'd like some self assigned homework, 23 00:02:34,200 --> 00:02:38,990 go back and re-implement Mario, whether it's in JavaScript or PHP or even in C, 24 00:02:38,990 --> 00:02:43,650 and see just, hopefully, how readily, that kind of logic now comes to you. 25 00:02:43,650 --> 00:02:45,859 >> Today we wrap up the course here in New Haven 26 00:02:45,859 --> 00:02:48,400 and we give you a sense of what still is on the horizon, even 27 00:02:48,400 --> 00:02:49,620 outside of the classroom. 28 00:02:49,620 --> 00:02:52,146 >> First and foremost is the CS50 Hackathon, 29 00:02:52,146 --> 00:02:55,020 an epic all nighter during which you and your classmates in Cambridge 30 00:02:55,020 --> 00:02:58,540 will have an opportunity to dive into and continue-- not hopefully 31 00:02:58,540 --> 00:03:02,934 start-- final projects for some 12 hours, arriving around 7:00 PM by buses 32 00:03:02,934 --> 00:03:05,100 that we'll provide here from New Haven to Cambridge. 33 00:03:05,100 --> 00:03:07,760 >> Around 9:00 PM, we'll serve first dinner around 1:00 AM, 34 00:03:07,760 --> 00:03:09,730 we'll serve second dinner, and around 5:00 AM, 35 00:03:09,730 --> 00:03:12,630 we'll serve breakfast for those who are still standing. 36 00:03:12,630 --> 00:03:16,470 And you'll see such memories as these while working through the evening. 37 00:03:16,470 --> 00:03:19,170 Candy, and as promised in week zero, vegetables 38 00:03:19,170 --> 00:03:22,620 for the second time in history, as well 4:00 AM, 39 00:03:22,620 --> 00:03:24,730 things start to look a little like this. 40 00:03:24,730 --> 00:03:27,120 >> And then beyond that, realize that what's ahead 41 00:03:27,120 --> 00:03:30,940 is the CS50 Fair here at Yale, so that faculty and students and staff 42 00:03:30,940 --> 00:03:34,000 from across this campus have an opportunity to delight in exactly how 43 00:03:34,000 --> 00:03:35,860 much you all pulled off this semester. 44 00:03:35,860 --> 00:03:39,990 Will there be in Commons, the CS50 Fair on Monday the 14th. 45 00:03:39,990 --> 00:03:45,040 So do keep that in mind and more to come with details online. 46 00:03:45,040 --> 00:03:48,490 But if Cambridge is any indication, realize that memories like this 47 00:03:48,490 --> 00:03:49,117 here await. 48 00:03:49,117 --> 00:03:52,200 And you should certainly feel free to invite your friends in the meantime. 49 00:03:52,200 --> 00:03:56,085 >> And if seeing you at the CS50 Fair weren't incentive enough, 50 00:03:56,085 --> 00:03:58,710 we thought we would invite some of our friends from industries. 51 00:03:58,710 --> 00:04:01,920 If you'd like to chat up alumni and recruiters from eBay, 52 00:04:01,920 --> 00:04:06,660 ESPN, Facebook, Google, Palantir, YEI, and YHack, and possibly more, 53 00:04:06,660 --> 00:04:07,420 do come by. 54 00:04:07,420 --> 00:04:11,390 >> And if that's not enough to come see you or the recruiters from industry, 55 00:04:11,390 --> 00:04:15,350 realize that there will be a raffle with fabulous prizes, among them, these. 56 00:04:15,350 --> 00:04:17,709 And what will happen is, upon arriving at the fair, both 57 00:04:17,709 --> 00:04:21,100 you and attendees will be handed a little program for the day's event 58 00:04:21,100 --> 00:04:22,079 telling you what to do. 59 00:04:22,079 --> 00:04:23,100 When, what is there. 60 00:04:23,100 --> 00:04:25,914 >> There will be some little place holders for smiley face stickers. 61 00:04:25,914 --> 00:04:27,830 And all of you, the students, will get some 10 62 00:04:27,830 --> 00:04:30,580 plus smiley face stickers and anyone who breaks 63 00:04:30,580 --> 00:04:33,830 that social awkwardness and comes up to you and says, what did you do? 64 00:04:33,830 --> 00:04:35,330 Or can I see a demo of what you did? 65 00:04:35,330 --> 00:04:37,496 You hand them a sticker and that sticker is an entry 66 00:04:37,496 --> 00:04:40,109 in a fabulous raffle such as this here. 67 00:04:40,109 --> 00:04:42,400 So that should help you break the ice and give everyone 68 00:04:42,400 --> 00:04:45,350 a little bit of an excuse to grease those wheels. 69 00:04:45,350 --> 00:04:48,380 >> And you'll see such expressions and memories as this one 70 00:04:48,380 --> 00:04:51,250 here, this one here, and then, proudly, will all of you 71 00:04:51,250 --> 00:04:54,850 have your first ever "I took CS50" t-shirts as well. 72 00:04:54,850 --> 00:04:56,350 So more on that to come. 73 00:04:56,350 --> 00:04:58,830 >> Now in addition to the course, is very specifically 74 00:04:58,830 --> 00:05:00,790 offered today as to what's on the horizon, 75 00:05:00,790 --> 00:05:03,360 realize too that among the handouts, thanks to Megan, 76 00:05:03,360 --> 00:05:06,400 is Yale's first ever unofficial guide to CS at Yale, 77 00:05:06,400 --> 00:05:09,730 where she's wonderfully diagramed the various paths that you 78 00:05:09,730 --> 00:05:13,770 can take after leaving CS50 or 112 or other courses here at Yale, 79 00:05:13,770 --> 00:05:17,920 so you can explore things well beyond CS50 itself, if you would like. 80 00:05:17,920 --> 00:05:20,360 And the diagram you'll see there is exactly that. 81 00:05:20,360 --> 00:05:23,540 >> And also too, realize that today, from 3:00 to 4:30 82 00:05:23,540 --> 00:05:27,030 PM is the first ever CS50 Expo here at Yale, over 83 00:05:27,030 --> 00:05:28,320 in Sterling Memorial Library. 84 00:05:28,320 --> 00:05:30,210 And this is an opportunity to see some of the projects 85 00:05:30,210 --> 00:05:32,240 that our own teaching staff and some of the upperclassmen 86 00:05:32,240 --> 00:05:35,120 here have created in their classes, in their research projects, 87 00:05:35,120 --> 00:05:36,850 in entrepreneurial interests of theirs. 88 00:05:36,850 --> 00:05:41,650 So do join us there for snacks and some amazing opportunities and glimpses 89 00:05:41,650 --> 00:05:45,150 as to what you can now do as an aspiring computer scientist. 90 00:05:45,150 --> 00:05:48,680 >> And in terms of opportunities now, with CS50 itself, to get involved, 91 00:05:48,680 --> 00:05:52,420 do realize, if unfamiliar, that in addition to this college 92 00:05:52,420 --> 00:05:55,320 offering of CS50, the College Board-- which 93 00:05:55,320 --> 00:05:59,390 you may recall fondly or less fondly-- is in the process of setting up 94 00:05:59,390 --> 00:06:01,410 a new AP Computer Science curriculum. 95 00:06:01,410 --> 00:06:05,900 So some of you, a few of you, might have taken AP CSA, Computer Science A, which 96 00:06:05,900 --> 00:06:08,800 focused, frankly, very much on the language Java, sort 97 00:06:08,800 --> 00:06:11,040 of to the exclusion of inspiration, quite often, 98 00:06:11,040 --> 00:06:13,300 and excitement and problem solving more generally. 99 00:06:13,300 --> 00:06:15,716 >> What's really nice about a new curriculum framework that's 100 00:06:15,716 --> 00:06:18,750 being released in fall 2016 from the College Board 101 00:06:18,750 --> 00:06:21,880 is that it will be AP Computer Science Principles which 102 00:06:21,880 --> 00:06:26,700 is much more akin to more inspiring CS zero, CS one, CS two courses most 103 00:06:26,700 --> 00:06:28,100 universities might call them. 104 00:06:28,100 --> 00:06:31,700 And there will be a number of implementations of this course. 105 00:06:31,700 --> 00:06:34,410 UC Berkeley is doing one. co.org is doing one. 106 00:06:34,410 --> 00:06:35,770 CS50 is doing one. 107 00:06:35,770 --> 00:06:38,478 And so if you have an interest in getting involved in high school 108 00:06:38,478 --> 00:06:41,080 education and working with CS50 in the staff capacity, 109 00:06:41,080 --> 00:06:46,070 doing outreach like this, do reach out to us as well any of the courses heads. 110 00:06:46,070 --> 00:06:48,180 >> And also too, now begins recruiting. 111 00:06:48,180 --> 00:06:52,890 You are all just about to be eligible to teach this same class here at Yale. 112 00:06:52,890 --> 00:06:55,890 And what's been especially, frankly, exciting, 113 00:06:55,890 --> 00:06:58,600 amazing this past year is that truly, with CS50, 114 00:06:58,600 --> 00:07:02,770 have we had a team of some 44 largely undergraduate staff members who 115 00:07:02,770 --> 00:07:06,410 are serving as undergraduate learning assistants or TAs more generally, 116 00:07:06,410 --> 00:07:07,980 the first time in Yale's history. 117 00:07:07,980 --> 00:07:11,200 And so you will be the second generation of exactly that opportunity. 118 00:07:11,200 --> 00:07:16,520 >> So we do encourage you to apply either as a TA or CA in the teaching role 119 00:07:16,520 --> 00:07:18,320 or in a number of other roles. 120 00:07:18,320 --> 00:07:20,550 Suffice it to say, with all the songs and dances, 121 00:07:20,550 --> 00:07:22,780 literally, that we seem to have, there's any number 122 00:07:22,780 --> 00:07:25,280 of ways where you can get involved creatively, artistically, 123 00:07:25,280 --> 00:07:26,330 as well as educationally. 124 00:07:26,330 --> 00:07:28,949 So do let us know via this URL here. 125 00:07:28,949 --> 00:07:31,490 Now a little while from now, we'll adjourn with our tradition 126 00:07:31,490 --> 00:07:35,132 just as we began this semester with cake in the dining hall around the corner. 127 00:07:35,132 --> 00:07:36,840 But we'd like to tie up a few loose ends. 128 00:07:36,840 --> 00:07:40,200 >> And first and foremost, I'd just like to recognize one. 129 00:07:40,200 --> 00:07:42,800 This happened last week. 130 00:07:42,800 --> 00:07:45,290 So I've become acquainted with "Overheard at Yale," where-- 131 00:07:45,290 --> 00:07:49,090 if we, shall we say, enhance this video, or this photo-- 132 00:07:49,090 --> 00:07:56,290 you'll see this shirt that I was sold for $15 and then this photo was taken. 133 00:07:56,290 --> 00:07:58,630 Business, I'm told, has been good ever since then. 134 00:07:58,630 --> 00:08:00,630 Didn't go over super well back home. 135 00:08:00,630 --> 00:08:04,090 >> But irrespective of how this weekend goes-- and actually, 136 00:08:04,090 --> 00:08:05,220 one other [INAUDIBLE]. 137 00:08:05,220 --> 00:08:08,210 So we made the Rumpus today, CS50. 138 00:08:08,210 --> 00:08:11,830 The hookup Bingo chart, which is on the back, involves CS50. 139 00:08:11,830 --> 00:08:16,320 I don't really want my words to show up in the transcript, so I'll just-- OK, 140 00:08:16,320 --> 00:08:17,486 here we go. 141 00:08:17,486 --> 00:08:18,860 OK, so that's one of the squares. 142 00:08:18,860 --> 00:08:21,380 >> [LAUGHTER] 143 00:08:21,380 --> 00:08:22,730 144 00:08:22,730 --> 00:08:24,690 >> Won't be able to search on that word though. 145 00:08:24,690 --> 00:08:25,835 All right. 146 00:08:25,835 --> 00:08:28,960 So irrespective of how this particular weekend turns out with Harvard Yale, 147 00:08:28,960 --> 00:08:32,570 do know it's been an absolute honor for us and so terribly exciting 148 00:08:32,570 --> 00:08:37,004 to be working with Scass, with Jason, with Andy, with the entire team here. 149 00:08:37,004 --> 00:08:39,420 Yale vs. Harvard, we're still working on that, apparently. 150 00:08:39,420 --> 00:08:41,966 >> [LAUGHTER] 151 00:08:41,966 --> 00:08:43,090 It really has been special. 152 00:08:43,090 --> 00:08:45,090 And as I've said before, of all the universities 153 00:08:45,090 --> 00:08:47,750 to collaborate with in this way, it's truly been special for us 154 00:08:47,750 --> 00:08:50,240 to work here with the team and the students at Yale. 155 00:08:50,240 --> 00:08:53,120 So it's been wonderfully gratifying and we are forever grateful 156 00:08:53,120 --> 00:08:56,090 for this opportunity to be welcomed as we have been here. 157 00:08:56,090 --> 00:08:57,990 >> Indeed, let me say some thank yous first, 158 00:08:57,990 --> 00:09:01,730 before we turn things over to some of you and some audience participation. 159 00:09:01,730 --> 00:09:05,140 First and foremost, to Scass, to Jason, to Andy, and the entire Yale team. 160 00:09:05,140 --> 00:09:07,315 Thank you for making this course so amazing here. 161 00:09:07,315 --> 00:09:10,640 >> [APPLAUSE] 162 00:09:10,640 --> 00:09:15,870 163 00:09:15,870 --> 00:09:18,920 >> I'd like to draw your attention to all of the names 164 00:09:18,920 --> 00:09:21,850 that compose CS50's team both here and in New Haven. 165 00:09:21,850 --> 00:09:25,237 Over 100 of us, colleagues in both of these towns. 166 00:09:25,237 --> 00:09:27,820 And so we won't spend time, I fear, on every one of the names. 167 00:09:27,820 --> 00:09:29,930 I did want to draw your attention to one fellow, 168 00:09:29,930 --> 00:09:31,570 in particular, for a couple of reasons. 169 00:09:31,570 --> 00:09:35,640 >> Pictured here is teaching fellow Alex, who, apparently, shortly before he 170 00:09:35,640 --> 00:09:38,810 took four pairs of CS50 Shades from a recent event. 171 00:09:38,810 --> 00:09:41,810 But Alex has been an amazing character to have on staff. 172 00:09:41,810 --> 00:09:44,270 He was, shall we say, not the greatest supporter 173 00:09:44,270 --> 00:09:46,950 of CS50 coming to Yale just over a year ago, 174 00:09:46,950 --> 00:09:50,400 but he's turned into this extraordinary member of our teaching staff, 175 00:09:50,400 --> 00:09:52,490 an extraordinary Senior in Computer Science, 176 00:09:52,490 --> 00:09:58,280 and, and, and most importantly, number one atop CS50's Big Board this year. 177 00:09:58,280 --> 00:10:00,920 So congratulations to Alex as well, here. 178 00:10:00,920 --> 00:10:02,070 >> [APPLAUSE] 179 00:10:02,070 --> 00:10:04,330 >> OK. 180 00:10:04,330 --> 00:10:07,800 Fun fact, so with Rob Bowden back home, do 181 00:10:07,800 --> 00:10:10,040 he and I run the Big Board this past year. 182 00:10:10,040 --> 00:10:13,730 And so Rob was so annoyed that Alex had bested him 183 00:10:13,730 --> 00:10:16,842 that we even did a random audit of Alex's code 184 00:10:16,842 --> 00:10:19,800 to make sure that it was consistent with the problem set specification, 185 00:10:19,800 --> 00:10:23,170 and indeed, he bested Andrew and Rob here in this year's Big Board, 186 00:10:23,170 --> 00:10:24,980 so congrats to him as well. 187 00:10:24,980 --> 00:10:28,510 >> Some quick thank yous to the team back home, Daven and Maria and Hannah 188 00:10:28,510 --> 00:10:29,949 and Rob, whom we'll soon see. 189 00:10:29,949 --> 00:10:31,740 And also, a number of the full time members 190 00:10:31,740 --> 00:10:33,614 who work largely back home behind the scenes, 191 00:10:33,614 --> 00:10:36,930 Doug, who heads up our CS50 AP program, Dan Armendariz, who, 192 00:10:36,930 --> 00:10:39,260 with our friends at Cloud 9, took to the next level 193 00:10:39,260 --> 00:10:42,880 our use of CS50 IDE this year, Colton, of course, with whom we've started 194 00:10:42,880 --> 00:10:45,850 music most every day, Aliess, who is literally in the same 195 00:10:45,850 --> 00:10:49,930 pose right now back in the cabinet up there, up top. 196 00:10:49,930 --> 00:10:52,470 >> And then Dan Coffey from our production team, 197 00:10:52,470 --> 00:10:57,100 Scully from our production team, Ian, Ramon, Jordan. 198 00:10:57,100 --> 00:11:00,460 And, of course, a very familiar face that, quite humorously, 199 00:11:00,460 --> 00:11:04,150 you see in exactly this pose or exactly this context 200 00:11:04,150 --> 00:11:06,490 both in Cambridge and now here in New Haven, 201 00:11:06,490 --> 00:11:09,210 our own Zamyla, whom if we enhance, looks 202 00:11:09,210 --> 00:11:13,221 more like this on most every laptop at office hours most every night. 203 00:11:13,221 --> 00:11:15,970 And in fact, not all of the staff, of course, could be here today, 204 00:11:15,970 --> 00:11:18,090 but I thought what we'd do is dim the lights for a moment 205 00:11:18,090 --> 00:11:20,381 and allow the staff, both from New Haven and Cambridge, 206 00:11:20,381 --> 00:11:22,022 to offer some words of their own. 207 00:11:22,022 --> 00:11:22,730 [VIDEO PLAYBLACK] 208 00:11:22,730 --> 00:11:25,830 -There's no other course in which everyone who works for the course 209 00:11:25,830 --> 00:11:31,020 is as excited to be there and, like, be involved in it, as CS50. 210 00:11:31,020 --> 00:11:34,300 I don't know, it's like this really, like, important and special 211 00:11:34,300 --> 00:11:37,119 responsibility and kind of an incredible experience 212 00:11:37,119 --> 00:11:39,660 and I'm really glad I get to be a part of peoples' education. 213 00:11:39,660 --> 00:11:42,580 >> -CS50 in my opinion, is amazing. 214 00:11:42,580 --> 00:11:43,990 I love it. 215 00:11:43,990 --> 00:11:47,170 I loved it when I was taking a class, and I love it even more as a TA. 216 00:11:47,170 --> 00:11:49,780 >> -TFing is a lot of work, but it's really rewarding 217 00:11:49,780 --> 00:11:51,269 because you get to teach so much. 218 00:11:51,269 --> 00:11:52,810 You really get to know your students. 219 00:11:52,810 --> 00:11:54,780 You get to know the material yourself. 220 00:11:54,780 --> 00:11:57,780 And you get to just want them become computer scientists. 221 00:11:57,780 --> 00:12:01,185 >> -My students are the highlight of my semester. 222 00:12:01,185 --> 00:12:04,650 >> [MUSIC PLAYING] 223 00:12:04,650 --> 00:12:17,050 224 00:12:17,050 --> 00:12:19,300 >> -And this is CS50. 225 00:12:19,300 --> 00:12:21,380 >> -I've just never felt as much like a leader 226 00:12:21,380 --> 00:12:23,810 on campus as I have this semester. 227 00:12:23,810 --> 00:12:27,080 >> -This is one of the only opportunities on Yale's campus 228 00:12:27,080 --> 00:12:30,270 to really get invested in teaching. 229 00:12:30,270 --> 00:12:32,911 >> -It's really cool to see CS50 from the other side. 230 00:12:32,911 --> 00:12:35,160 -I was surprised at how excited all the students were. 231 00:12:35,160 --> 00:12:38,384 -It's also nice when, like, people, like, recover, like, 232 00:12:38,384 --> 00:12:40,616 a picture of Rick Astley and are like, who is that? 233 00:12:40,616 --> 00:12:42,850 >> -Yeah, I wanted to give back because I got a lot of support 234 00:12:42,850 --> 00:12:43,810 when I was a student. 235 00:12:43,810 --> 00:12:50,607 >> -All you need is enthusiasm and a love of teaching or CS, or any of the above 236 00:12:50,607 --> 00:12:51,950 and you'll be able to do it. 237 00:12:51,950 --> 00:12:54,258 >> -All my students keep Rick-rolling me. 238 00:12:54,258 --> 00:12:57,716 >> [MUSIC PLAYING] 239 00:12:57,716 --> 00:13:21,396 240 00:13:21,396 --> 00:13:24,270 -It's been so much fun to, like, teach about this thing that I really 241 00:13:24,270 --> 00:13:25,978 love and think is a lot of fun and, like, 242 00:13:25,978 --> 00:13:28,040 try to get other people excited about it as well. 243 00:13:28,040 --> 00:13:30,445 I'm Annaleah Ernst and this is CS50. 244 00:13:30,445 --> 00:13:33,662 >> [CHEERS] 245 00:13:33,662 --> 00:13:37,558 >> [MUSIC PLAYING] 246 00:13:37,558 --> 00:13:43,402 247 00:13:43,402 --> 00:13:44,072 >> [END PLAYBACK] 248 00:13:44,072 --> 00:13:45,780 DAVID MALAN: All right, so you may recall 249 00:13:45,780 --> 00:13:48,530 that we began this semester looking at computational thinking 250 00:13:48,530 --> 00:13:50,750 and solving problems more efficiently while thinking 251 00:13:50,750 --> 00:13:51,910 a bit more like a computer. 252 00:13:51,910 --> 00:13:54,493 And rather than rehash something like peanut butter and jelly, 253 00:13:54,493 --> 00:13:57,850 recall that we had the phone book here, we solved such problems as problem sets 254 00:13:57,850 --> 00:13:58,920 on game of 15. 255 00:13:58,920 --> 00:14:00,960 But we thought we'd try something a little new 256 00:14:00,960 --> 00:14:05,400 here, whereby we see just to what extent this idea of thinking computationally 257 00:14:05,400 --> 00:14:06,692 has sunk in. 258 00:14:06,692 --> 00:14:09,400 Whereby we thought we'd try to offer up, in the form a volunteer, 259 00:14:09,400 --> 00:14:12,430 some instructions and see how well we can all follow them. 260 00:14:12,430 --> 00:14:15,900 And for this, I need at least one volunteer. 261 00:14:15,900 --> 00:14:19,390 If you might be-- I see someone being tapped on the shoulder right there. 262 00:14:19,390 --> 00:14:20,420 Does that qualify? 263 00:14:20,420 --> 00:14:21,160 No? 264 00:14:21,160 --> 00:14:22,314 No, all right. 265 00:14:22,314 --> 00:14:23,480 How about, OK, in the green. 266 00:14:23,480 --> 00:14:24,260 Come on back. 267 00:14:24,260 --> 00:14:25,380 Come on over. 268 00:14:25,380 --> 00:14:28,740 So let's go ahead and do this. 269 00:14:28,740 --> 00:14:33,950 I have some notes up here that we'll work on together. 270 00:14:33,950 --> 00:14:34,890 And what is your name? 271 00:14:34,890 --> 00:14:35,540 >> ERICA: Erica. 272 00:14:35,540 --> 00:14:36,040 >> DAVID MALAN: Erica? 273 00:14:36,040 --> 00:14:36,580 All right. 274 00:14:36,580 --> 00:14:37,690 Let me give you this. 275 00:14:37,690 --> 00:14:39,455 Erica, nice to meet you. 276 00:14:39,455 --> 00:14:43,095 All right, so in just a moment-- you all should have a blank piece of paper. 277 00:14:43,095 --> 00:14:45,720 If you don't, just scrounge around and see if you can grab one. 278 00:14:45,720 --> 00:14:47,309 And find a pen or whatnot. 279 00:14:47,309 --> 00:14:49,100 And we're going to try something like this. 280 00:14:49,100 --> 00:14:50,910 If you are comfortable doing so, Erica, I 281 00:14:50,910 --> 00:14:57,300 need you to describe what you see on this opaque piece of paper 282 00:14:57,300 --> 00:15:01,290 so that the audience here is only going to do literally what 283 00:15:01,290 --> 00:15:03,230 you say by following your instructions. 284 00:15:03,230 --> 00:15:04,515 And then in just a moment, I'll come around 285 00:15:04,515 --> 00:15:06,320 and take a random sampling of some pictures 286 00:15:06,320 --> 00:15:08,260 and we'll see just how accurately your classmates have done. 287 00:15:08,260 --> 00:15:08,770 >> ERICA: OK. 288 00:15:08,770 --> 00:15:09,210 >> DAVID MALAN: Make sense? 289 00:15:09,210 --> 00:15:09,580 >> ERICA: Yeah. 290 00:15:09,580 --> 00:15:09,830 >> DAVID MALAN: All right. 291 00:15:09,830 --> 00:15:11,705 So you at this point, as the audience, should 292 00:15:11,705 --> 00:15:13,750 have a blank piece of paper, a pen or pencil, 293 00:15:13,750 --> 00:15:16,780 and you should do exactly what Erica says. 294 00:15:16,780 --> 00:15:17,972 Go. 295 00:15:17,972 --> 00:15:19,180 ERICA: Landscape orientation. 296 00:15:19,180 --> 00:15:22,180 297 00:15:22,180 --> 00:15:28,410 In the center of both the vertical and horizontal axis of the page, 298 00:15:28,410 --> 00:15:35,006 draw a square, not a rectangle, even sides, about one inch on each side 299 00:15:35,006 --> 00:15:37,380 with the center of the square in the center of the paper. 300 00:15:37,380 --> 00:15:40,340 301 00:15:40,340 --> 00:15:45,530 Directly above-- thinking landscape orientation-- above that square 302 00:15:45,530 --> 00:15:50,290 but touching it, you should have a circle with the same radius 303 00:15:50,290 --> 00:15:53,010 as half of the side of the square. 304 00:15:53,010 --> 00:15:56,400 So the circle should be able to fit inside the square 305 00:15:56,400 --> 00:16:01,930 and be just touching the top of the middle, the middle 306 00:16:01,930 --> 00:16:03,190 of the top side of the square. 307 00:16:03,190 --> 00:16:07,480 308 00:16:07,480 --> 00:16:12,770 And then directly below the square, you should have an equilateral triangle 309 00:16:12,770 --> 00:16:25,062 with one top point touching the bottom of the square and then equilateral. 310 00:16:25,062 --> 00:16:26,020 DAVID MALAN: All right. 311 00:16:26,020 --> 00:16:27,519 So that was extraordinarily precise. 312 00:16:27,519 --> 00:16:29,650 Let me leave you here for just a moment and see 313 00:16:29,650 --> 00:16:32,050 if we can get a couple of answers. 314 00:16:32,050 --> 00:16:33,920 Can I grab yours? 315 00:16:33,920 --> 00:16:34,500 OK. 316 00:16:34,500 --> 00:16:38,366 Grab yours, yours. 317 00:16:38,366 --> 00:16:40,990 Now I'm going to fish for one-- I don't know, that's very good. 318 00:16:40,990 --> 00:16:44,150 319 00:16:44,150 --> 00:16:48,032 You're all very good at this. 320 00:16:48,032 --> 00:16:49,400 Can I take this one? 321 00:16:49,400 --> 00:16:50,130 Thank you. 322 00:16:50,130 --> 00:16:52,789 >> [LAUGHTER] 323 00:16:52,789 --> 00:16:53,455 We'll randomize. 324 00:16:53,455 --> 00:16:56,480 325 00:16:56,480 --> 00:16:58,200 Can I take yours, too? 326 00:16:58,200 --> 00:16:59,160 Thank you. 327 00:16:59,160 --> 00:17:00,330 No, that's a compliment. 328 00:17:00,330 --> 00:17:03,842 OK, yes very good. 329 00:17:03,842 --> 00:17:04,790 Thank you. 330 00:17:04,790 --> 00:17:05,390 All right. 331 00:17:05,390 --> 00:17:08,250 And just so I don't neglect anyone over here. 332 00:17:08,250 --> 00:17:11,390 That's very good, OK. 333 00:17:11,390 --> 00:17:12,589 OK, that's adorable. 334 00:17:12,589 --> 00:17:13,220 All right. 335 00:17:13,220 --> 00:17:14,345 That's enough for this one. 336 00:17:14,345 --> 00:17:16,720 So let's see how we did here. 337 00:17:16,720 --> 00:17:19,890 >> All right so why don't we go ahead now and I 338 00:17:19,890 --> 00:17:26,190 will spoil, with Erica still here, what the image was supposed to be. 339 00:17:26,190 --> 00:17:29,230 Wonderfully, precisely described, I would argue. 340 00:17:29,230 --> 00:17:33,390 Now let me go ahead and take a look at a random sample of the pictures 341 00:17:33,390 --> 00:17:35,430 that we found up here. 342 00:17:35,430 --> 00:17:36,020 >> So let's go. 343 00:17:36,020 --> 00:17:39,880 The first several I found were-- here's one. 344 00:17:39,880 --> 00:17:43,280 So very nicely done. 345 00:17:43,280 --> 00:17:48,330 Here's another, very nicely done. 346 00:17:48,330 --> 00:17:51,670 Here's another, and this is where it was getting awkward because there's 347 00:17:51,670 --> 00:17:54,300 like 50 or a 100 of these out there. 348 00:17:54,300 --> 00:17:59,830 But then I kept searching and we found this. 349 00:17:59,830 --> 00:18:03,060 So the orientation wasn't quite right. 350 00:18:03,060 --> 00:18:04,220 Another correct one. 351 00:18:04,220 --> 00:18:10,460 We had this one, all right, so not quite right. 352 00:18:10,460 --> 00:18:14,340 Then there's this one, maybe not quite to scale. 353 00:18:14,340 --> 00:18:19,420 And then the adorable one, if I may, very nicely done. 354 00:18:19,420 --> 00:18:21,770 >> Congratulations to Erica for doing such a good job. 355 00:18:21,770 --> 00:18:24,080 Thank you. 356 00:18:24,080 --> 00:18:28,170 Why don't we get-- can we get one more volunteer to come and do the same? 357 00:18:28,170 --> 00:18:30,757 Come on up, yeah. 358 00:18:30,757 --> 00:18:32,840 And I'm sorry for taking the papers from everyone. 359 00:18:32,840 --> 00:18:35,300 If you can try to scrounge one other piece, 360 00:18:35,300 --> 00:18:37,050 we'll do this once more in this direction. 361 00:18:37,050 --> 00:18:37,500 >> What is your name? 362 00:18:37,500 --> 00:18:38,170 >> ADAM: Adam. 363 00:18:38,170 --> 00:18:38,920 >> DAVID MALAN: Adam. 364 00:18:38,920 --> 00:18:40,220 Come on up. 365 00:18:40,220 --> 00:18:40,720 All right. 366 00:18:40,720 --> 00:18:43,060 So the task is going to be very similar, different picture. 367 00:18:43,060 --> 00:18:43,768 Nice to meet you. 368 00:18:43,768 --> 00:18:46,030 Come on around. 369 00:18:46,030 --> 00:18:46,530 All right. 370 00:18:46,530 --> 00:18:49,363 And we're going to do this again, this time with a different picture 371 00:18:49,363 --> 00:18:50,590 from Adam. 372 00:18:50,590 --> 00:18:55,810 Adam is going to describe to you, opaquely-- show confidence-- 373 00:18:55,810 --> 00:18:56,785 the following. 374 00:18:56,785 --> 00:18:57,950 The floor is yours. 375 00:18:57,950 --> 00:19:01,700 376 00:19:01,700 --> 00:19:04,580 >> ADAM: It is a very large square. 377 00:19:04,580 --> 00:19:05,420 Can I say that? 378 00:19:05,420 --> 00:19:06,670 >> DAVID MALAN: Yes, that's good. 379 00:19:06,670 --> 00:19:08,360 That's correct. 380 00:19:08,360 --> 00:19:10,710 >> ADAM: But very large, like. 381 00:19:10,710 --> 00:19:12,777 But start at the center-- like, from the center, 382 00:19:12,777 --> 00:19:14,610 but it like expands outward from the center. 383 00:19:14,610 --> 00:19:18,430 So like, the center of the page is still the center, so keep that in mind. 384 00:19:18,430 --> 00:19:21,390 >> [LAUGHTER] 385 00:19:21,390 --> 00:19:30,020 >> Then, divide it in half, but like, in the center, going hot dog style. 386 00:19:30,020 --> 00:19:30,870 Yeah. 387 00:19:30,870 --> 00:19:33,080 Like. 388 00:19:33,080 --> 00:19:36,920 So then divide it that way, like up and down, vertical. 389 00:19:36,920 --> 00:19:38,370 Vertical. 390 00:19:38,370 --> 00:19:41,660 And then from the vertical line, going from the right side 391 00:19:41,660 --> 00:19:45,050 of the center of that vertical line, go to the right 392 00:19:45,050 --> 00:19:49,480 to divide that rectangle on the right side in half. 393 00:19:49,480 --> 00:19:50,930 OK. 394 00:19:50,930 --> 00:19:54,260 >> So, but now, it's going to get a little tricky, so let's hold on here. 395 00:19:54,260 --> 00:19:59,290 You're going to do that again, but going up from that. 396 00:19:59,290 --> 00:20:03,940 So now you should have a rectangle, a big rectangle, and two small squares 397 00:20:03,940 --> 00:20:04,900 on the other side. 398 00:20:04,900 --> 00:20:07,570 And then divide your square in the top right 399 00:20:07,570 --> 00:20:11,800 in half the same way you divided the big square at the beginning. 400 00:20:11,800 --> 00:20:12,460 OK. 401 00:20:12,460 --> 00:20:12,960 OK. 402 00:20:12,960 --> 00:20:15,930 403 00:20:15,930 --> 00:20:19,070 Now, so now you have that square that's divided into two rectangles. 404 00:20:19,070 --> 00:20:22,670 And then draw that same line you drew at the beginning from the center 405 00:20:22,670 --> 00:20:26,546 point of the original square with that line in the center 406 00:20:26,546 --> 00:20:32,800 to the far-- horizontally from that new up and down line. 407 00:20:32,800 --> 00:20:37,770 And then recreate that square again in the top right hand quadrant. 408 00:20:37,770 --> 00:20:40,944 I mean, not the quadrant, whatever the eighth is of a quadrant. 409 00:20:40,944 --> 00:20:43,360 DAVID MALAN: I'm going to go start getting the sheets, OK? 410 00:20:43,360 --> 00:20:43,943 ADAM: Yes, OK. 411 00:20:43,943 --> 00:20:46,999 So if there's any questions, I can take those now. 412 00:20:46,999 --> 00:20:48,790 DAVID MALAN: Can I see just a few examples? 413 00:20:48,790 --> 00:20:50,625 All right, we got this one here. 414 00:20:50,625 --> 00:20:52,590 All right, this one here. 415 00:20:52,590 --> 00:20:54,410 All right, still working. 416 00:20:54,410 --> 00:20:55,780 Very nice. 417 00:20:55,780 --> 00:20:56,280 Yes. 418 00:20:56,280 --> 00:20:57,655 >> ADAM: I'm not good at this class. 419 00:20:57,655 --> 00:20:59,210 DAVID MALAN: Thank you. 420 00:20:59,210 --> 00:21:00,280 Yeah. 421 00:21:00,280 --> 00:21:00,860 OK. 422 00:21:00,860 --> 00:21:02,750 Let me take these two. 423 00:21:02,750 --> 00:21:03,720 Thank you. 424 00:21:03,720 --> 00:21:05,990 All right, and one more from over here. 425 00:21:05,990 --> 00:21:08,720 One more from over here. 426 00:21:08,720 --> 00:21:09,269 Thank you. 427 00:21:09,269 --> 00:21:10,060 Oh, that's perfect. 428 00:21:10,060 --> 00:21:10,590 Thank you. 429 00:21:10,590 --> 00:21:11,590 All right. 430 00:21:11,590 --> 00:21:15,580 >> So Adam, let's see how they did. 431 00:21:15,580 --> 00:21:20,240 And I'll reveal on the screen what the image was this time. 432 00:21:20,240 --> 00:21:25,430 So what we were looking for this time, per Adam's precise instructions, 433 00:21:25,430 --> 00:21:26,040 was this. 434 00:21:26,040 --> 00:21:28,570 435 00:21:28,570 --> 00:21:38,360 And what we got was some works of beauty here, I will say. 436 00:21:38,360 --> 00:21:39,685 >> ADAM: Oh, I-- wow. 437 00:21:39,685 --> 00:21:40,935 DAVID MALAN: You're surprised? 438 00:21:40,935 --> 00:21:44,280 [LAUGHTER] 439 00:21:44,280 --> 00:21:45,450 Then we have this one. 440 00:21:45,450 --> 00:21:49,710 So similar in spirit, but not quite. 441 00:21:49,710 --> 00:21:53,150 Then we have this windowed version. 442 00:21:53,150 --> 00:21:55,420 And then this one. 443 00:21:55,420 --> 00:21:59,562 >> [LAUGHTER] 444 00:21:59,562 --> 00:22:01,020 And then this is maybe my favorite. 445 00:22:01,020 --> 00:22:02,600 This one's just a little skewed. 446 00:22:02,600 --> 00:22:05,160 >> ADAM: That one's not my fault. That one's not my fault. 447 00:22:05,160 --> 00:22:06,610 >> DAVID MALAN: Well all right, thank you and congrats to Adam 448 00:22:06,610 --> 00:22:07,890 for being so precise. 449 00:22:07,890 --> 00:22:09,000 >> ADAM: Thank you. 450 00:22:09,000 --> 00:22:11,770 >> DAVID MALAN: So why don't we try this at least one more time 451 00:22:11,770 --> 00:22:13,180 but kind of flip things around. 452 00:22:13,180 --> 00:22:17,160 So now we need someone who's comfortable drawing and having a hundred 453 00:22:17,160 --> 00:22:20,050 of your classmates staring down at your back while you draw, 454 00:22:20,050 --> 00:22:24,291 taking instructions from your classmates. 455 00:22:24,291 --> 00:22:25,290 OK, how about in purple. 456 00:22:25,290 --> 00:22:27,360 Come on up. 457 00:22:27,360 --> 00:22:28,580 All right. 458 00:22:28,580 --> 00:22:30,735 So in a moment-- what's your name? 459 00:22:30,735 --> 00:22:31,360 ANGELA: Angela. 460 00:22:31,360 --> 00:22:31,840 DAVID MALAN: Angela. 461 00:22:31,840 --> 00:22:32,666 Come on up, Angela. 462 00:22:32,666 --> 00:22:35,790 So Angela's going to stand roughly here, where she shouldn't be able to see 463 00:22:35,790 --> 00:22:38,300 the overhead, she can only see the board's. 464 00:22:38,300 --> 00:22:39,465 Nice to meet you, Angela. 465 00:22:39,465 --> 00:22:40,590 Here's your piece of chalk. 466 00:22:40,590 --> 00:22:42,700 I'm going to show the audience the picture 467 00:22:42,700 --> 00:22:45,420 and then roughly orderly, kind of like the PBJ, 468 00:22:45,420 --> 00:22:49,500 we'll have you guys shout out, linearly, exactly what you 469 00:22:49,500 --> 00:22:51,100 would like Angela to draw. 470 00:22:51,100 --> 00:22:53,302 Sound good? 471 00:22:53,302 --> 00:22:55,240 Good. 472 00:22:55,240 --> 00:22:57,314 Yeah. 473 00:22:57,314 --> 00:23:01,720 >> Would someone like to offer an instruction to Angela? 474 00:23:01,720 --> 00:23:04,353 It's not that-- well, OK. 475 00:23:04,353 --> 00:23:06,052 >> AUDIENCE: Circle? 476 00:23:06,052 --> 00:23:07,306 At the top of the board. 477 00:23:07,306 --> 00:23:09,930 DAVID MALAN: All right, I heard circle at the top of the board. 478 00:23:09,930 --> 00:23:12,360 AUDIENCE: It's a stick figure. 479 00:23:12,360 --> 00:23:14,194 DAVID MALAN: OK I heard it's a stick figure. 480 00:23:14,194 --> 00:23:16,318 And here, you want to hold this in your other hand? 481 00:23:16,318 --> 00:23:16,960 OK, next? 482 00:23:16,960 --> 00:23:17,730 >> ANGELA: Stick figure, all right. 483 00:23:17,730 --> 00:23:19,979 >> DAVID MALAN: Draw a circle in the center of the board. 484 00:23:19,979 --> 00:23:22,100 It's a stick figure. 485 00:23:22,100 --> 00:23:22,600 Stop! 486 00:23:22,600 --> 00:23:23,100 Stop! 487 00:23:23,100 --> 00:23:25,300 Stop! 488 00:23:25,300 --> 00:23:27,577 Only keep the body. 489 00:23:27,577 --> 00:23:28,910 ANGELA: So it's like a lollipop? 490 00:23:28,910 --> 00:23:32,950 491 00:23:32,950 --> 00:23:34,450 DAVID MALAN: Add the two legs first. 492 00:23:34,450 --> 00:23:36,780 ANGELA: Down here. 493 00:23:36,780 --> 00:23:38,090 DAVID MALAN: OK, I heard yeah. 494 00:23:38,090 --> 00:23:43,150 495 00:23:43,150 --> 00:23:43,924 >> ANGELA: So here? 496 00:23:43,924 --> 00:23:46,340 DAVID MALAN: The arm starts from the body toward the head. 497 00:23:46,340 --> 00:23:47,090 ANGELA: Like that? 498 00:23:47,090 --> 00:23:52,384 499 00:23:52,384 --> 00:23:53,320 What? 500 00:23:53,320 --> 00:23:54,400 >> DAVID MALAN: OK, here, wait, how about this. 501 00:23:54,400 --> 00:23:55,275 One arm goes up. 502 00:23:55,275 --> 00:24:00,860 >> AUDIENCE: The right arm has the hand on the hip and the other arm-- 503 00:24:00,860 --> 00:24:06,680 >> DAVID MALAN: The right arm has-- I heard the right arm has his arm on his hip. 504 00:24:06,680 --> 00:24:07,596 >> ANGELA: His right arm? 505 00:24:07,596 --> 00:24:08,970 >> DAVID MALAN: His right. 506 00:24:08,970 --> 00:24:10,064 >> ANGELA: Like that? 507 00:24:10,064 --> 00:24:12,000 >> DAVID MALAN: Yes. 508 00:24:12,000 --> 00:24:12,915 What else? 509 00:24:12,915 --> 00:24:14,160 >> AUDIENCE: The other arm-- The other arm goes up. 510 00:24:14,160 --> 00:24:15,618 >> DAVID MALAN: The other arm goes up. 511 00:24:15,618 --> 00:24:18,130 ANGELA: Oh, like that? 512 00:24:18,130 --> 00:24:19,997 >> DAVID MALAN: All right, and-- 513 00:24:19,997 --> 00:24:21,330 AUDIENCE: He's saying something. 514 00:24:21,330 --> 00:24:23,700 DAVID MALAN: He's saying something. 515 00:24:23,700 --> 00:24:25,093 ANGELA: Like a speech bubble? 516 00:24:25,093 --> 00:24:29,530 There's a line, approximately 10:00, that goes out from the head. 517 00:24:29,530 --> 00:24:34,460 A line at 10:00 position that you draw, like, from the radius, projecting-- 518 00:24:34,460 --> 00:24:37,418 >> [LAUGHTER] 519 00:24:37,418 --> 00:24:38,404 >> ANGELA: Like? 520 00:24:38,404 --> 00:24:41,370 >> AUDIENCE: No! 521 00:24:41,370 --> 00:24:44,360 >> DAVID MALAN: There's a line at 10:00 from the head out. 522 00:24:44,360 --> 00:24:47,761 >> AUDIENCE: See like a line coming out above the radius. 523 00:24:47,761 --> 00:24:48,344 Don't draw it. 524 00:24:48,344 --> 00:24:49,840 Do what you did originally. 525 00:24:49,840 --> 00:24:52,768 >> DAVID MALAN: Do what you did originally. 526 00:24:52,768 --> 00:24:54,672 Yeah. 527 00:24:54,672 --> 00:24:56,100 >> AUDIENCE: He says hi. 528 00:24:56,100 --> 00:24:59,160 >> DAVID MALAN: Write-- he says hi. 529 00:24:59,160 --> 00:25:00,316 What do we think? 530 00:25:00,316 --> 00:25:01,230 All right. 531 00:25:01,230 --> 00:25:03,276 Congratulations. 532 00:25:03,276 --> 00:25:07,120 If you'd like to take a look, you indeed got it. 533 00:25:07,120 --> 00:25:08,460 Very nicely done. 534 00:25:08,460 --> 00:25:12,517 >> So we've not try this last opportunity before-- before we adjourn for cake-- 535 00:25:12,517 --> 00:25:14,600 but we thought we'd try to get all the more of you 536 00:25:14,600 --> 00:25:17,070 involved vs. Some of the staff as well. 537 00:25:17,070 --> 00:25:19,620 And so, if I could-- are there five staff members 538 00:25:19,620 --> 00:25:22,610 who would like to volunteer and come on over here? 539 00:25:22,610 --> 00:25:26,540 Stelios, do want to bring four friends on down? 540 00:25:26,540 --> 00:25:27,280 From the staff. 541 00:25:27,280 --> 00:25:27,980 Come on down. 542 00:25:27,980 --> 00:25:28,560 Yeah. 543 00:25:28,560 --> 00:25:29,631 Andy. 544 00:25:29,631 --> 00:25:30,130 Yeah. 545 00:25:30,130 --> 00:25:31,269 Come on down. 546 00:25:31,269 --> 00:25:33,310 And if you guys would like to organize yourselves 547 00:25:33,310 --> 00:25:35,040 in a line behind this blue table. 548 00:25:35,040 --> 00:25:37,510 >> Now we need five student volunteers. 549 00:25:37,510 --> 00:25:39,440 OK, so how about you two sitting there. 550 00:25:39,440 --> 00:25:42,140 Three, four, in the middle. 551 00:25:42,140 --> 00:25:44,160 Oh, and over here, five on the end. 552 00:25:44,160 --> 00:25:44,660 Come on up. 553 00:25:44,660 --> 00:25:45,810 Yep, you on the end. 554 00:25:45,810 --> 00:25:47,450 Come on down. 555 00:25:47,450 --> 00:25:49,700 And students shall be over here. 556 00:25:49,700 --> 00:25:53,400 And-- did we lose some-- one, two, three, four I pointed at someone 557 00:25:53,400 --> 00:25:55,660 who still-- yes, you, you come on down. 558 00:25:55,660 --> 00:25:57,740 All right. 559 00:25:57,740 --> 00:26:02,110 >> So we'll explain the rules here if you've not heard of this before, 560 00:26:02,110 --> 00:26:05,877 but it sounds a little something like 561 00:26:05,877 --> 00:26:09,370 >> [PLAYS THEME SONG TO FAMILY FEUD] 562 00:26:09,370 --> 00:26:25,370 563 00:26:25,370 --> 00:26:26,420 >> Aw. 564 00:26:26,420 --> 00:26:27,050 OK. 565 00:26:27,050 --> 00:26:30,550 So here we have Family-- Colton, website? 566 00:26:30,550 --> 00:26:31,100 OK. 567 00:26:31,100 --> 00:26:32,869 So here we have Family Feud. 568 00:26:32,869 --> 00:26:34,160 And now you'll have to forgive. 569 00:26:34,160 --> 00:26:35,810 You may recall that in problem set eight, 570 00:26:35,810 --> 00:26:38,430 we asked you a number of quiz review questions that are kind of, sort of 571 00:26:38,430 --> 00:26:41,260 in the form of Jeopardy questions, even though it was question and answer. 572 00:26:41,260 --> 00:26:43,190 We decided after issuing p-set eight that we 573 00:26:43,190 --> 00:26:45,981 want to play Family Feud instead, so we've taken some liberties how 574 00:26:45,981 --> 00:26:48,210 to convert Jeopardy questions to Family Feud, 575 00:26:48,210 --> 00:26:51,861 but the following data may or may not be reflective of correct answers. 576 00:26:51,861 --> 00:26:54,110 So with that, that said, the way this is going to work 577 00:26:54,110 --> 00:26:55,220 is that we have the student team here. 578 00:26:55,220 --> 00:26:56,820 We have the staff team here. 579 00:26:56,820 --> 00:27:00,180 We're going to first have two members of the staff and students face off. 580 00:27:00,180 --> 00:27:04,870 I'm going to ask a question and the first one to buzz in with this here-- 581 00:27:04,870 --> 00:27:05,809 >> VOICE: That was easy. 582 00:27:05,809 --> 00:27:08,850 DAVID MALAN: --Easy Button, which was the only red buttons we could find. 583 00:27:08,850 --> 00:27:10,800 And according to guy at Staples, he has never 584 00:27:10,800 --> 00:27:13,790 seen someone actually buy the Easy Button in Staples. 585 00:27:13,790 --> 00:27:15,640 >> That will be how the two people buzz in. 586 00:27:15,640 --> 00:27:18,750 Whoever buzzes in first not only gets a certain number of points, 587 00:27:18,750 --> 00:27:20,349 they also get control of the board. 588 00:27:20,349 --> 00:27:22,890 The goal, then, if the students, for instance, win that toss, 589 00:27:22,890 --> 00:27:26,080 you guys have to come up with the top several answers 590 00:27:26,080 --> 00:27:29,650 before getting three strikes by guessing wrong. 591 00:27:29,650 --> 00:27:31,240 I'll re-explain this as we go. 592 00:27:31,240 --> 00:27:31,820 All right. 593 00:27:31,820 --> 00:27:35,310 >> So let's go ahead and begin as follows. 594 00:27:35,310 --> 00:27:36,290 What's your name? 595 00:27:36,290 --> 00:27:36,790 VLAD: Vlad. 596 00:27:36,790 --> 00:27:37,500 Vlad, all right. 597 00:27:37,500 --> 00:27:38,240 Nice to meet you. 598 00:27:38,240 --> 00:27:39,740 And introduce yourself to this team. 599 00:27:39,740 --> 00:27:40,320 >> SHREYAS: Shreyas. 600 00:27:40,320 --> 00:27:41,195 >> DAVID MALAN: Shreyas. 601 00:27:41,195 --> 00:27:44,340 So here we have two Easy Buttons, one question, 602 00:27:44,340 --> 00:27:48,150 and the following will be revealed now by Colton, A function declared 603 00:27:48,150 --> 00:27:49,560 in standard io dot h. 604 00:27:49,560 --> 00:27:52,100 605 00:27:52,100 --> 00:27:53,980 >> VOICE: That was easy. 606 00:27:53,980 --> 00:27:56,800 >> DAVID MALAN: You hit it first so we'll go with the staff. 607 00:27:56,800 --> 00:27:57,660 >> SHREYAS: Print f. 608 00:27:57,660 --> 00:27:59,410 >> DAVID MALAN: Show us print f. 609 00:27:59,410 --> 00:28:00,312 >> [DING] 610 00:28:00,312 --> 00:28:01,270 DAVID MALAN: Very nice. 611 00:28:01,270 --> 00:28:03,406 So now the staff has control of the board. 612 00:28:03,406 --> 00:28:05,280 Oh, and if we're going to keep score, we need 613 00:28:05,280 --> 00:28:08,250 someone who's really good at arithmetic under pressure. 614 00:28:08,250 --> 00:28:09,540 Really? 615 00:28:09,540 --> 00:28:10,503 Really? 616 00:28:10,503 --> 00:28:11,610 Really? 617 00:28:11,610 --> 00:28:12,110 OK. 618 00:28:12,110 --> 00:28:12,890 I saw your hand first. 619 00:28:12,890 --> 00:28:13,400 Come on down. 620 00:28:13,400 --> 00:28:13,850 What's your name? 621 00:28:13,850 --> 00:28:14,240 >> DYLAN: Dylan. 622 00:28:14,240 --> 00:28:15,250 >> DAVID MALAN: Oh, Dylan, all right. 623 00:28:15,250 --> 00:28:16,250 Dylan, nice to meet you. 624 00:28:16,250 --> 00:28:19,310 So if you could grab a piece of chalk and to the left 625 00:28:19,310 --> 00:28:21,730 and the right of the stick figure, keep track 626 00:28:21,730 --> 00:28:23,980 accurately of the following arithmetic. 627 00:28:23,980 --> 00:28:26,610 The staff now have 68 points. 628 00:28:26,610 --> 00:28:27,270 All right. 629 00:28:27,270 --> 00:28:29,820 So next question, specifically for Andy, is the same. 630 00:28:29,820 --> 00:28:33,250 Andy, what is a function declared in standard i o dot h? 631 00:28:33,250 --> 00:28:34,620 >> ANDY: Scanf. 632 00:28:34,620 --> 00:28:36,190 >> DAVID MALAN: Colton, show us scanf. 633 00:28:36,190 --> 00:28:37,116 >> [DING] 634 00:28:37,116 --> 00:28:39,490 Very nice, so an additional 12 points for the staff team. 635 00:28:39,490 --> 00:28:43,270 Stelios, same question, A function declared in standard i o dot h. 636 00:28:43,270 --> 00:28:46,160 Just Stelios, please. 637 00:28:46,160 --> 00:28:47,110 >> STELIOS: Put c. 638 00:28:47,110 --> 00:28:47,860 >> DAVID MALAN: Putc. 639 00:28:47,860 --> 00:28:49,530 Show us putc. 640 00:28:49,530 --> 00:28:50,550 >> [ERROR BUZZER] 641 00:28:50,550 --> 00:28:51,350 >> One strike. 642 00:28:51,350 --> 00:28:52,610 Only two remain. 643 00:28:52,610 --> 00:28:57,211 Staff, a function declared in standard i o dot h. 644 00:28:57,211 --> 00:28:59,747 >> STELIOS: I mean, it is. 645 00:28:59,747 --> 00:29:01,580 DAVID MALAN: Well, no, it might be in there, 646 00:29:01,580 --> 00:29:03,590 but these are only the top six answers. 647 00:29:03,590 --> 00:29:05,665 Key detail-- that doesn't mean it's wrong. 648 00:29:05,665 --> 00:29:07,540 It just means it's not among the six answers. 649 00:29:07,540 --> 00:29:08,498 >> AUDIENCE: He's foreign. 650 00:29:08,498 --> 00:29:12,064 DAVID MALAN: So it was bad, just not wrong. 651 00:29:12,064 --> 00:29:13,060 >> STAFF MEMBER: Getc 652 00:29:13,060 --> 00:29:15,211 >> DAVID MALAN: Getc. 653 00:29:15,211 --> 00:29:16,714 >> [DING] 654 00:29:16,714 --> 00:29:18,130 DAVID MALAN: We'll give it to you. 655 00:29:18,130 --> 00:29:18,660 Fgetc. 656 00:29:18,660 --> 00:29:21,790 Five points more on the board. 657 00:29:21,790 --> 00:29:24,530 Staff, a function declared in standard i o dot h. 658 00:29:24,530 --> 00:29:25,640 >> STAFF MEMBER: F read. 659 00:29:25,640 --> 00:29:27,380 >> DAVID MALAN: F read, show us. 660 00:29:27,380 --> 00:29:28,450 >> [ERROR BUZZER] 661 00:29:28,450 --> 00:29:29,730 >> DAVID MALAN: Two strikes. 662 00:29:29,730 --> 00:29:32,687 Shreyas, you have one last chance until the students, 663 00:29:32,687 --> 00:29:34,770 simply by getting one of the answers on the board, 664 00:29:34,770 --> 00:29:36,480 has the chance to steal the points. 665 00:29:36,480 --> 00:29:37,349 You can all-- 666 00:29:37,349 --> 00:29:38,390 STAFF MEMBER: Oh, can we? 667 00:29:38,390 --> 00:29:38,970 DAVID MALAN: No, you cannot. 668 00:29:38,970 --> 00:29:39,690 It's just you. 669 00:29:39,690 --> 00:29:41,820 Just you. 670 00:29:41,820 --> 00:29:43,667 >> SHREYAS: Is f open in standard i o? 671 00:29:43,667 --> 00:29:44,750 DAVID MALAN: We shall see. 672 00:29:44,750 --> 00:29:45,330 F open. 673 00:29:45,330 --> 00:29:47,650 >> [DING] It is, for ten points. 674 00:29:47,650 --> 00:29:48,810 Back to Andy. 675 00:29:48,810 --> 00:29:50,420 Make or break here. 676 00:29:50,420 --> 00:29:52,855 Function declared in standard i o dot h. 677 00:29:52,855 --> 00:29:54,000 >> ANDY: F close. 678 00:29:54,000 --> 00:29:55,774 >> DAVID MALAN: Show us f close. 679 00:29:55,774 --> 00:29:56,600 >> [DING] 680 00:29:56,600 --> 00:29:57,395 >> Very nice. 681 00:29:57,395 --> 00:30:00,050 682 00:30:00,050 --> 00:30:01,330 Six? 683 00:30:01,330 --> 00:30:02,080 We have only five. 684 00:30:02,080 --> 00:30:04,070 We only have five answers on the board, which 685 00:30:04,070 --> 00:30:05,860 means the staff has won this category. 686 00:30:05,860 --> 00:30:07,380 Very nice. 687 00:30:07,380 --> 00:30:10,240 No it's lack of feature. 688 00:30:10,240 --> 00:30:11,060 All right. 689 00:30:11,060 --> 00:30:12,990 >> So now let's go up for our second round. 690 00:30:12,990 --> 00:30:16,685 So we need Andy and what's your name? 691 00:30:16,685 --> 00:30:17,310 BONNIE: Bonnie. 692 00:30:17,310 --> 00:30:18,320 DAVID MALAN: Bonnie, nice to meet you. 693 00:30:18,320 --> 00:30:19,819 All right, come on up to the buzzer. 694 00:30:19,819 --> 00:30:22,887 All right, and here we have the next question. 695 00:30:22,887 --> 00:30:24,220 Software used while programming. 696 00:30:24,220 --> 00:30:28,050 697 00:30:28,050 --> 00:30:32,250 Name a piece of software you use while programming. 698 00:30:32,250 --> 00:30:33,500 >> ANDY: The IDE 699 00:30:33,500 --> 00:30:35,040 >> DAVID MALAN: CS50 IDE 700 00:30:35,040 --> 00:30:37,803 >> [ERROR BUZZER] 701 00:30:37,803 --> 00:30:38,302 702 00:30:38,302 --> 00:30:39,700 ANDY: I totally-- what? 703 00:30:39,700 --> 00:30:42,974 Oh, no way. 704 00:30:42,974 --> 00:30:43,910 >> [DING] 705 00:30:43,910 --> 00:30:46,600 >> DAVID MALAN: Text Editor. 706 00:30:46,600 --> 00:30:48,320 Do we want to give it to them? 707 00:30:48,320 --> 00:30:48,820 Yes. 708 00:30:48,820 --> 00:30:49,320 Yes. 709 00:30:49,320 --> 00:30:51,426 Good job to staff. 710 00:30:51,426 --> 00:30:53,550 Yes-- [INAUDIBLE] the students look really unhappy. 711 00:30:53,550 --> 00:30:54,250 OK. 712 00:30:54,250 --> 00:30:57,300 So Stelios, name a piece of software used while programming. 713 00:30:57,300 --> 00:30:59,230 And start thinking of a way to steal this. 714 00:30:59,230 --> 00:31:00,370 >> STELIOS: GDB. 715 00:31:00,370 --> 00:31:02,734 >> DAVID MALAN: GDB, Debugger. 716 00:31:02,734 --> 00:31:03,520 >> [DING] 717 00:31:03,520 --> 00:31:05,760 >> Very nice for 15 more points. 718 00:31:05,760 --> 00:31:06,260 Frank? 719 00:31:06,260 --> 00:31:07,080 >> FRANK: A terminal. 720 00:31:07,080 --> 00:31:09,656 >> DAVID MALAN: A terminal window. 721 00:31:09,656 --> 00:31:11,120 >> [ERROR BUZZER] 722 00:31:11,120 --> 00:31:13,630 >> Oh, I'm sorry. 723 00:31:13,630 --> 00:31:16,032 Software used while programming. 724 00:31:16,032 --> 00:31:16,990 STAFF MEMBER: Valgrind. 725 00:31:16,990 --> 00:31:18,874 DAVID MALAN: Valgrind, show us. 726 00:31:18,874 --> 00:31:20,690 [ERROR BUZZER] 727 00:31:20,690 --> 00:31:25,040 Oh, Shreyas, the students, you just need one answer that's 728 00:31:25,040 --> 00:31:26,915 on the board to steal these points. 729 00:31:26,915 --> 00:31:30,450 730 00:31:30,450 --> 00:31:31,710 >> SHREYAS: A compiler. 731 00:31:31,710 --> 00:31:33,080 >> DAVID MALAN: Show us compiler. 732 00:31:33,080 --> 00:31:34,400 >> [DING] 733 00:31:34,400 --> 00:31:35,720 >> Very nice. 734 00:31:35,720 --> 00:31:38,730 Back to Andy. 735 00:31:38,730 --> 00:31:40,080 >> ANDY: This is a lot of pressure. 736 00:31:40,080 --> 00:31:42,625 >> DAVID MALAN: Software used while programming. 737 00:31:42,625 --> 00:31:44,095 >> ANDY: An operating system. 738 00:31:44,095 --> 00:31:45,870 >> DAVID MALAN: An operating system. 739 00:31:45,870 --> 00:31:47,650 >> [ERROR BUZZER] 740 00:31:47,650 --> 00:31:51,470 >> Students, there are three possible answers left on the board. 741 00:31:51,470 --> 00:31:52,850 What's going to be your answer? 742 00:31:52,850 --> 00:31:55,784 You can all decide together. 743 00:31:55,784 --> 00:31:56,700 STUDENTS: Interpreter? 744 00:31:56,700 --> 00:31:58,410 DAVID MALAN: An interpreter. 745 00:31:58,410 --> 00:31:59,910 [ERROR BUZZER] 746 00:31:59,910 --> 00:32:02,251 Show us interpreter. 747 00:32:02,251 --> 00:32:02,750 No! 748 00:32:02,750 --> 00:32:06,440 So let's go ahead and reveal now what answers were on the board. 749 00:32:06,440 --> 00:32:07,130 Number four. 750 00:32:07,130 --> 00:32:07,810 >> [DING] 751 00:32:07,810 --> 00:32:11,093 >> [LAUGHTER] 752 00:32:11,093 --> 00:32:13,440 753 00:32:13,440 --> 00:32:14,480 >> Number five. 754 00:32:14,480 --> 00:32:16,730 >> [DING] 755 00:32:16,730 --> 00:32:18,460 >> Oh, and number six. 756 00:32:18,460 --> 00:32:19,620 >> [DING] 757 00:32:19,620 --> 00:32:20,790 >> Spotify. 758 00:32:20,790 --> 00:32:21,410 All right. 759 00:32:21,410 --> 00:32:22,960 So these points stay on this side. 760 00:32:22,960 --> 00:32:26,510 >> I think we have time for one more round before cake. 761 00:32:26,510 --> 00:32:33,190 Let's go ahead and skip-- let's skip the next one. . 762 00:32:33,190 --> 00:32:35,980 Yes Yeah, skip. 763 00:32:35,980 --> 00:32:36,760 Break, quick. 764 00:32:36,760 --> 00:32:39,130 OK. 765 00:32:39,130 --> 00:32:41,120 We didn't want to do that to you one last time. 766 00:32:41,120 --> 00:32:41,620 All right. 767 00:32:41,620 --> 00:32:44,090 So the final question here now for Stelios, thank you. 768 00:32:44,090 --> 00:32:45,252 And who's up next? 769 00:32:45,252 --> 00:32:45,960 SABRINA: Sabrina. 770 00:32:45,960 --> 00:32:47,120 DAVID MALAN: Sabrina, nice to meet you. 771 00:32:47,120 --> 00:32:47,620 All right. 772 00:32:47,620 --> 00:32:53,335 So whoever hits the button first, the question is Favorite problem set. 773 00:32:53,335 --> 00:32:54,210 VOICE: That was easy. 774 00:32:54,210 --> 00:32:56,168 DAVID MALAN: I hear it over here, the students. 775 00:32:56,168 --> 00:32:58,460 776 00:32:58,460 --> 00:33:00,550 >> SABRINA: P set zero. 777 00:33:00,550 --> 00:33:02,890 >> DAVID MALAN: Show us p set zero. 778 00:33:02,890 --> 00:33:05,085 Very nice for 26 points. 779 00:33:05,085 --> 00:33:08,840 All right, so students-- who's up next here? 780 00:33:08,840 --> 00:33:09,840 I think you're up next. 781 00:33:09,840 --> 00:33:10,210 What's your name? 782 00:33:10,210 --> 00:33:10,880 >> ALEK: Alek. 783 00:33:10,880 --> 00:33:12,380 >> DAVID MALAN: Alek, nice to meet you. 784 00:33:12,380 --> 00:33:15,680 All right, your favorite problem set. 785 00:33:15,680 --> 00:33:18,520 >> ALEK: Show me p set eight. 786 00:33:18,520 --> 00:33:19,915 >> DAVID MALAN: Show me p set eight. 787 00:33:19,915 --> 00:33:22,140 >> [ERROR BUZZER] 788 00:33:22,140 --> 00:33:25,760 >> I will say, based on actual data from problem set eight, 789 00:33:25,760 --> 00:33:28,777 so p set eight was not among the top four answers in this case. 790 00:33:28,777 --> 00:33:29,485 What's your name? 791 00:33:29,485 --> 00:33:29,940 >> BURKE: Burke. 792 00:33:29,940 --> 00:33:32,148 >> DAVID MALAN: Burke, what's your favorite problem set, 793 00:33:32,148 --> 00:33:37,170 or the top favorite problem set among all of your other classmates? 794 00:33:37,170 --> 00:33:42,076 >> BURKE: Encrypts or [INAUDIBLE] p set seven. 795 00:33:42,076 --> 00:33:44,370 P set seven. 796 00:33:44,370 --> 00:33:46,690 >> DAVID MALAN: Show us p set seven. 797 00:33:46,690 --> 00:33:49,920 Number one answer from actual students. 798 00:33:49,920 --> 00:33:50,420 All right. 799 00:33:50,420 --> 00:33:52,420 What do you have for your favorite problem sets. 800 00:33:52,420 --> 00:33:57,100 801 00:33:57,100 --> 00:33:59,420 >> STUDENT: The one with the cipher, encrypt. 802 00:33:59,420 --> 00:34:01,130 The one with like crypto. 803 00:34:01,130 --> 00:34:01,555 >> DAVID MALAN: (QUIETLY) P set two? 804 00:34:01,555 --> 00:34:02,096 >> STUDENT: Yes. 805 00:34:02,096 --> 00:34:03,220 DAVID MALAN: P set two! 806 00:34:03,220 --> 00:34:03,890 >> [DING] 807 00:34:03,890 --> 00:34:05,070 >> Very nice. 808 00:34:05,070 --> 00:34:06,890 There's only one answer left on the board 809 00:34:06,890 --> 00:34:08,420 because we did the top four answers. 810 00:34:08,420 --> 00:34:09,850 So if-- what's your name again? 811 00:34:09,850 --> 00:34:10,170 >> BONNIE: Bonnie. 812 00:34:10,170 --> 00:34:11,003 >> DAVID MALAN: Bonnie. 813 00:34:11,003 --> 00:34:14,679 Bonnie, if you can tell us what the Harvard and Yale students fourth most 814 00:34:14,679 --> 00:34:16,600 favorite problem set was-- 815 00:34:16,600 --> 00:34:20,082 >> BONNIE: I feel like I have a really skewed view. 816 00:34:20,082 --> 00:34:22,089 >> VLAD: The one with image processes? 817 00:34:22,089 --> 00:34:23,880 BONNIE: No I think everyone hated that one. 818 00:34:23,880 --> 00:34:24,570 VLAD: Really? 819 00:34:24,570 --> 00:34:26,092 I loved it. 820 00:34:26,092 --> 00:34:27,800 DAVID MALAN: And what our current totals? 821 00:34:27,800 --> 00:34:30,840 822 00:34:30,840 --> 00:34:36,670 166 to slightly less. 823 00:34:36,670 --> 00:34:38,719 But for 100 points, 824 00:34:38,719 --> 00:34:41,089 >> [LAUGHTER] 825 00:34:41,089 --> 00:34:42,511 >> BONNIE: Oh god, oh no. 826 00:34:42,511 --> 00:34:45,229 Don't put the pressure on me. 827 00:34:45,229 --> 00:34:46,213 Oh, no pressure. 828 00:34:46,213 --> 00:34:47,379 STUDENT: P set one was easy. 829 00:34:47,379 --> 00:34:49,310 Everyone likes easy p sets. 830 00:34:49,310 --> 00:34:50,310 >> BONNIE: P set one? 831 00:34:50,310 --> 00:34:51,268 >> DAVID MALAN: 90 points! 832 00:34:51,268 --> 00:34:55,290 833 00:34:55,290 --> 00:34:56,469 >> BONNIE: P set one? 834 00:34:56,469 --> 00:34:57,852 >> DAVID MALAN: Show us p set one. 835 00:34:57,852 --> 00:34:59,690 >> [ERROR BUZZER] 836 00:34:59,690 --> 00:35:01,620 >> Not the fourth favorite problem set. 837 00:35:01,620 --> 00:35:03,710 Vlad? 838 00:35:03,710 --> 00:35:12,870 >> VLAD: I think-- I think-- my favorite was with photography, but I don't know. 839 00:35:12,870 --> 00:35:14,620 >> DAVID MALAN: I hear forensics. 840 00:35:14,620 --> 00:35:16,120 BONNIE: People are saying forensics? 841 00:35:16,120 --> 00:35:18,810 DAVID MALAN: I hear forensics. 842 00:35:18,810 --> 00:35:21,610 I only heard it. 843 00:35:21,610 --> 00:35:24,040 P set five, I heard. 844 00:35:24,040 --> 00:35:25,389 >> BONNIE: Can we ask the audience? 845 00:35:25,389 --> 00:35:27,180 DAVID MALAN: You want to poll the audience? 846 00:35:27,180 --> 00:35:28,650 BONNIE: Yeah, let's ask the audience. 847 00:35:28,650 --> 00:35:29,200 P set three. 848 00:35:29,200 --> 00:35:30,170 >> DAVID MALAN: Who wants to be a millionaire, here. 849 00:35:30,170 --> 00:35:31,390 >> BONNIE: P set three. 850 00:35:31,390 --> 00:35:32,660 >> VLAD: P set four. 851 00:35:32,660 --> 00:35:35,150 >> DAVID MALAN: Three. 852 00:35:35,150 --> 00:35:37,470 I hear four. 853 00:35:37,470 --> 00:35:39,387 >> BONNIE: I see a lot of fours. 854 00:35:39,387 --> 00:35:40,678 STUDENT: OK, we should do four. 855 00:35:40,678 --> 00:35:44,020 856 00:35:44,020 --> 00:35:45,400 >> BONNIE: Three or four. 857 00:35:45,400 --> 00:35:47,240 >> DAVID MALAN: I hear three. 858 00:35:47,240 --> 00:35:49,612 I hear another three. 859 00:35:49,612 --> 00:35:51,360 >> BONNIE: Oh no! 860 00:35:51,360 --> 00:35:52,840 Ken, get out! 861 00:35:52,840 --> 00:35:55,590 >> DAVID MALAN: I hear three. 862 00:35:55,590 --> 00:35:57,226 >> BONNIE: Three, OK, overwhelmingly. 863 00:35:57,226 --> 00:35:57,726 STUDENT: OK. 864 00:35:57,726 --> 00:35:58,559 Let's just do three. 865 00:35:58,559 --> 00:36:02,120 866 00:36:02,120 --> 00:36:06,092 >> DAVID MALAN: The only thing stopping us from cake. 867 00:36:06,092 --> 00:36:06,970 >> STUDENT: P set three. 868 00:36:06,970 --> 00:36:10,190 >> DAVID MALAN: Show us, for the game, p set three. 869 00:36:10,190 --> 00:36:11,170 >> [DING] 870 00:36:11,170 --> 00:36:14,110 >> [CHEERS] 871 00:36:14,110 --> 00:36:14,880 All right. 872 00:36:14,880 --> 00:36:16,830 That is it for CS50. 873 00:36:16,830 --> 00:36:18,788 We will see you for cake. 874 00:36:18,788 --> 00:36:24,764 >> [APPLAUSE] 875 00:36:24,764 --> 00:36:29,500 >> [MUSIC PLAYING] 876 00:36:29,500 --> 00:39:00,129