1 00:00:00,000 --> 00:00:01,000 SAM CLARK: Hello, world. 2 00:00:01,000 --> 00:00:06,140 My name is Sam Clark, and welcome to CS50 A Puzzle Day. 3 00:00:06,140 --> 00:00:10,280 The famous day that kicks off the year at CS50 every single year. 4 00:00:10,280 --> 00:00:11,520 It's such an exciting day. 5 00:00:11,520 --> 00:00:14,010 It's all about collaborative problem solving. 6 00:00:14,010 --> 00:00:17,960 So right inside here at the School of Engineering and Applied Sciences, 7 00:00:17,960 --> 00:00:20,930 we have hundreds of students in dozens of teams 8 00:00:20,930 --> 00:00:23,780 who are working through a set of about a dozen puzzles 9 00:00:23,780 --> 00:00:26,900 that have been created by our friends over at Meta. 10 00:00:26,900 --> 00:00:30,890 Now, a lot of the students in there know a lot about computer science. 11 00:00:30,890 --> 00:00:34,100 I personally, don't know anything about computer science. 12 00:00:34,100 --> 00:00:36,350 But that makes me kind of an ideal host for right 13 00:00:36,350 --> 00:00:39,350 now because you don't need to have any knowledge about computer science. 14 00:00:39,350 --> 00:00:41,990 You don't need to have any programming experience whatsoever 15 00:00:41,990 --> 00:00:44,810 to be involved in CS50 Puzzle Day because it's 16 00:00:44,810 --> 00:00:46,820 all about that collaborative problem solving. 17 00:00:46,820 --> 00:00:50,600 And to talk a bit about it is Professor David Malan himself, 18 00:00:50,600 --> 00:00:51,920 who is overseeing all of this. 19 00:00:51,920 --> 00:00:52,430 DAVID MALAN: Hey, Sam. 20 00:00:52,430 --> 00:00:53,060 SAM CLARK: How's it going? 21 00:00:53,060 --> 00:00:53,790 DAVID MALAN: Good to see you again. 22 00:00:53,790 --> 00:00:54,560 Welcome back to campus. 23 00:00:54,560 --> 00:00:55,440 SAM CLARK: Thank you so much. 24 00:00:55,440 --> 00:00:56,370 Good to be here. 25 00:00:56,370 --> 00:01:00,457 So in a couple of words, what is CS50 Puzzle Day all about. 26 00:01:00,457 --> 00:01:03,040 DAVID MALAN: So CS50 Puzzle Day is all about solving problems. 27 00:01:03,040 --> 00:01:05,207 And indeed, when we inaugurated this some years ago, 28 00:01:05,207 --> 00:01:10,195 the message intended was to send a message that computer science is all 29 00:01:10,195 --> 00:01:13,320 about problem solving and not about programming per se, like, when you were 30 00:01:13,320 --> 00:01:14,280 in high school when I was in high school, 31 00:01:14,280 --> 00:01:17,037 you probably remember kids sort of heads down writing code 32 00:01:17,037 --> 00:01:18,370 and that was sort of all it was. 33 00:01:18,370 --> 00:01:20,550 But it really is a lot more about problem 34 00:01:20,550 --> 00:01:23,920 solving, not only in CS but in STEM fields Science, Technology, 35 00:01:23,920 --> 00:01:27,010 Engineering, Math but also arts, humanities, social sciences and more. 36 00:01:27,010 --> 00:01:28,620 And so really the goal of Puzzle Day is just 37 00:01:28,620 --> 00:01:30,703 to bring everyone together to collaboratively work 38 00:01:30,703 --> 00:01:33,540 on solving problems and just meet classmates, in this case. 39 00:01:33,540 --> 00:01:35,610 SAM CLARK: Fantastic, what advice would you 40 00:01:35,610 --> 00:01:38,800 have for a student who is doing CS50 Puzzle Day for the first time in there. 41 00:01:38,800 --> 00:01:40,300 DAVID MALAN: That's a good question. 42 00:01:40,300 --> 00:01:42,175 We should have asked before they went inside. 43 00:01:42,175 --> 00:01:45,390 But I think the advice would be just to take your time and have fun with it. 44 00:01:45,390 --> 00:01:48,870 I think that all of the problems are meant to be challenging. 45 00:01:48,870 --> 00:01:52,083 I would say on average, people spend at least 30 minutes on each puzzle. 46 00:01:52,083 --> 00:01:53,500 So that's a decent amount of time. 47 00:01:53,500 --> 00:01:56,100 So if you stare at it for the first time, you have no idea where to start, 48 00:01:56,100 --> 00:01:57,190 that's kind of the point. 49 00:01:57,190 --> 00:02:00,480 But it's very gratifying when you've solved the first one, the second one, 50 00:02:00,480 --> 00:02:02,140 maybe even more than that. 51 00:02:02,140 --> 00:02:03,800 SAM CLARK: And who created the puzzles? 52 00:02:03,800 --> 00:02:05,550 DAVID MALAN: So the puzzles this year were 53 00:02:05,550 --> 00:02:08,699 written, as has been the case in years past, by our friends at Meta, 54 00:02:08,699 --> 00:02:09,580 formerly Facebook. 55 00:02:09,580 --> 00:02:12,990 In fact, we have a lot of alumni from CS50 from Harvard and Yale 56 00:02:12,990 --> 00:02:15,040 that go off to work at Meta in the real world. 57 00:02:15,040 --> 00:02:18,540 And so they kindly come back every fall to help write and run this event. 58 00:02:18,540 --> 00:02:21,780 SAM CLARK: Incredible, well, we're going to go talk to our friends 59 00:02:21,780 --> 00:02:23,170 at Meta in just a moment. 60 00:02:23,170 --> 00:02:25,875 But any final words of encouragement before we head in there 61 00:02:25,875 --> 00:02:27,750 and start talking to some of the students who 62 00:02:27,750 --> 00:02:28,860 are solving these puzzles right now? 63 00:02:28,860 --> 00:02:30,720 DAVID MALAN: Indeed, if you yourself are watching this online, 64 00:02:30,720 --> 00:02:33,420 and you're not here at Harvard today for CS50 Puzzle Day, 65 00:02:33,420 --> 00:02:36,690 know that we'll have a CS50 X Puzzle Day this coming spring. 66 00:02:36,690 --> 00:02:37,830 So it's a few months away. 67 00:02:37,830 --> 00:02:39,997 But it'll be an event with the same kinds of puzzles 68 00:02:39,997 --> 00:02:43,122 that you can participate with either family, your friends, your colleagues, 69 00:02:43,122 --> 00:02:44,880 literally anywhere online in the world. 70 00:02:44,880 --> 00:02:47,790 So not to worry if you're not here with us today in Cambridge. 71 00:02:47,790 --> 00:02:50,457 SAM CLARK: Tremendous, well, thank you so much, Professor Malan. 72 00:02:50,457 --> 00:02:51,780 We're going to head on in. 73 00:02:51,780 --> 00:02:54,120 Again, CS50 Puzzle X, if you want to solve 74 00:02:54,120 --> 00:02:58,113 some of these problems on your own at home, you're free to do that. 75 00:02:58,113 --> 00:03:00,030 We have some quotes from previous participants 76 00:03:00,030 --> 00:03:03,850 of CS50 X who said it was the most mind boggling day of their lives. 77 00:03:03,850 --> 00:03:05,940 One of the most fantastic day of their lives. 78 00:03:05,940 --> 00:03:08,850 And we're going to quickly pivot over here to some of the CS50 team. 79 00:03:08,850 --> 00:03:10,740 Say welcome to Puzzle Day. 80 00:03:10,740 --> 00:03:12,000 SPEAKER 1: Welcome Puzzle Day. 81 00:03:12,000 --> 00:03:12,780 SAM CLARK: All right, rock and roll. 82 00:03:12,780 --> 00:03:13,947 We're going to head in here. 83 00:03:13,947 --> 00:03:17,340 We're at the School of Engineering and Applied Sciences here at Harvard. 84 00:03:17,340 --> 00:03:18,510 I did go to Harvard. 85 00:03:18,510 --> 00:03:21,030 I did not do any engineering or Applied Sciences. 86 00:03:21,030 --> 00:03:26,730 But if I had, I would not have ever seen this building because it is brand new. 87 00:03:26,730 --> 00:03:29,460 And here we are where all of the students 88 00:03:29,460 --> 00:03:31,132 are gathered working on their puzzles. 89 00:03:31,132 --> 00:03:33,090 But the first folks that we're going to talk to 90 00:03:33,090 --> 00:03:36,900 are our friends at Meta who created the puzzles that some of these students 91 00:03:36,900 --> 00:03:38,050 are working on. 92 00:03:38,050 --> 00:03:39,955 So I'm going to go one by one with you all. 93 00:03:39,955 --> 00:03:40,830 Introduce yourselves. 94 00:03:40,830 --> 00:03:43,920 Say Hello, world, my name is. 95 00:03:43,920 --> 00:03:47,130 HELEN: Hi, I'm Helen. 96 00:03:47,130 --> 00:03:48,840 RYAN: Hi, I'm Ryan. 97 00:03:48,840 --> 00:03:49,680 ZACK: Hello, world. 98 00:03:49,680 --> 00:03:52,710 I'm Zack. 99 00:03:52,710 --> 00:03:55,240 SAM CLARK: Hello, world, retroactive hello, world. 100 00:03:55,240 --> 00:03:59,700 So first thing is, walk us through a bit what your role is at Meta 101 00:03:59,700 --> 00:04:02,240 and what that entails. 102 00:04:02,240 --> 00:04:07,640 HELEN: I'm a data scientist, and I work on the VR notifications team. 103 00:04:07,640 --> 00:04:14,504 So our team looks at how users interact with notifications related to VR. 104 00:04:14,504 --> 00:04:15,905 SAM CLARK: Great. 105 00:04:15,905 --> 00:04:18,589 RYAN: Thanks, so I'm a software engineer at Meta, 106 00:04:18,589 --> 00:04:22,460 and I work on the Facebook metrics team, where we handle 107 00:04:22,460 --> 00:04:26,310 the event logging for the Facebook app. 108 00:04:26,310 --> 00:04:29,220 ZACK: I'm a software engineer working on product security. 109 00:04:29,220 --> 00:04:31,440 So I try to make it harder for other engineers 110 00:04:31,440 --> 00:04:34,305 to write security vulnerabilities and bugs. 111 00:04:34,305 --> 00:04:35,180 SAM CLARK: Fantastic. 112 00:04:35,180 --> 00:04:39,150 OK, so as we were discussing with Professor Malan outside, 113 00:04:39,150 --> 00:04:43,680 CS50 Puzzle Day is not necessarily about computer science or about programming. 114 00:04:43,680 --> 00:04:44,940 You don't need any experience. 115 00:04:44,940 --> 00:04:46,260 It's all about puzzle solving. 116 00:04:46,260 --> 00:04:50,850 How important is puzzle solving in the work that you do at Meta? 117 00:04:50,850 --> 00:04:53,190 HELEN: Yeah, I think it's very relevant. 118 00:04:53,190 --> 00:04:55,350 As a data scientist, a lot of what I'm doing 119 00:04:55,350 --> 00:04:59,230 is understanding why users are behaving in a certain way. 120 00:04:59,230 --> 00:05:04,810 And what we can do to better understand or better make their experience better. 121 00:05:04,810 --> 00:05:09,520 So every time I do an analysis, it's kind of like a puzzle in and of itself. 122 00:05:09,520 --> 00:05:12,720 And I think another thing is, when you're working on puzzles, 123 00:05:12,720 --> 00:05:15,450 you have maybe hypotheses about what's going on. 124 00:05:15,450 --> 00:05:19,230 And a lot of it is taking a deeper look there and thinking 125 00:05:19,230 --> 00:05:22,320 about what's the right way to solve those 126 00:05:22,320 --> 00:05:27,330 or potentially look for solutions and data to back up what's going on. 127 00:05:27,330 --> 00:05:29,140 SAM CLARK: Fantastic, same question. 128 00:05:29,140 --> 00:05:34,060 RYAN: Yeah, so I think the iterative process between puzzle hunting 129 00:05:34,060 --> 00:05:37,640 and software engineering is really the same. 130 00:05:37,640 --> 00:05:43,570 So they both start off with formulating different solution methods, 131 00:05:43,570 --> 00:05:46,240 collaborating with your peers and teammates, 132 00:05:46,240 --> 00:05:49,810 thinking about various design decisions and trade-offs on which approach 133 00:05:49,810 --> 00:05:50,660 to take. 134 00:05:50,660 --> 00:05:54,520 And then when you finalize an approach, seeing if it works. 135 00:05:54,520 --> 00:06:01,240 And if it works then great, and if it doesn't work, then, going back 136 00:06:01,240 --> 00:06:03,680 exploring why it didn't work. 137 00:06:03,680 --> 00:06:07,580 And then collaborating with your peers again to see a different solution. 138 00:06:07,580 --> 00:06:12,010 So yeah, both problem solving methods are really the same. 139 00:06:12,010 --> 00:06:14,890 ZACK: Yeah, I think there are two similarities for me that 140 00:06:14,890 --> 00:06:15,740 really stand out. 141 00:06:15,740 --> 00:06:20,740 The first is, at least to me, debugging my code and other people's code 142 00:06:20,740 --> 00:06:25,090 and solving puzzle hunt style puzzles sort of scratch the same itch. 143 00:06:25,090 --> 00:06:28,720 In both cases, you have a lot of data that may or may not 144 00:06:28,720 --> 00:06:32,350 make sense to you at first, but you got to look for some pattern, 145 00:06:32,350 --> 00:06:36,460 find something meaningful, maybe iterate on it a bit like Ryan was saying, 146 00:06:36,460 --> 00:06:39,130 and then eventually get to an answer, whether that's an answer 147 00:06:39,130 --> 00:06:42,310 that you submit to an answer checker or work in code. 148 00:06:42,310 --> 00:06:45,340 And the other piece, for me, is just collaboration. 149 00:06:45,340 --> 00:06:48,520 I think mystery-hunt style puzzles, the kinds of puzzles 150 00:06:48,520 --> 00:06:53,800 that we're doing today, are just a great example of demonstrating 151 00:06:53,800 --> 00:06:58,227 that you go much further as a team than you can individually, especially 152 00:06:58,227 --> 00:06:59,560 with some of the harder puzzles. 153 00:06:59,560 --> 00:07:01,768 One person will have some observation, another person 154 00:07:01,768 --> 00:07:03,993 will throw in their insight, and sometimes 155 00:07:03,993 --> 00:07:06,910 you end up with things that you would not have thought of on your own. 156 00:07:06,910 --> 00:07:10,710 But working together as a team, you're able to come up with a great solution. 157 00:07:10,710 --> 00:07:12,210 SAM CLARK: Fantastic, great answers. 158 00:07:12,210 --> 00:07:15,900 So you all designed the puzzles that these students are solving right now. 159 00:07:15,900 --> 00:07:16,580 Is that correct? 160 00:07:16,580 --> 00:07:20,060 What advice do you have for those students 161 00:07:20,060 --> 00:07:21,830 as they're digging into those puzzles? 162 00:07:21,830 --> 00:07:24,650 163 00:07:24,650 --> 00:07:27,290 HELEN: I think a lot of things. 164 00:07:27,290 --> 00:07:29,870 Just taking a look at the puzzle cohesively, 165 00:07:29,870 --> 00:07:32,840 there might be details either in like the flavor text, which 166 00:07:32,840 --> 00:07:36,288 is the intro for the puzzle or little details within the puzzle itself 167 00:07:36,288 --> 00:07:38,330 that you might have missed the first time around. 168 00:07:38,330 --> 00:07:41,723 So yeah, maybe taking a closer look at some of those things. 169 00:07:41,723 --> 00:07:42,390 SAM CLARK: Yeah. 170 00:07:42,390 --> 00:07:45,557 RYAN: Yeah, so I think my main tip would just be to leverage your teammates. 171 00:07:45,557 --> 00:07:51,150 So I like to say 1 plus 1 is greater than 2. 172 00:07:51,150 --> 00:07:55,170 So yeah, and also definitely try to just have fun and enjoy the event 173 00:07:55,170 --> 00:07:57,810 and make new friends. 174 00:07:57,810 --> 00:08:00,810 ZACK: Yeah, sometimes the best way to get unstuck on a puzzle 175 00:08:00,810 --> 00:08:02,640 is to turn to the person sitting next to you, and say, hey, 176 00:08:02,640 --> 00:08:04,932 so I figured out this and this and this, and I'm stuck. 177 00:08:04,932 --> 00:08:06,270 Do you have any ideas? 178 00:08:06,270 --> 00:08:08,460 This has worked for me countless times. 179 00:08:08,460 --> 00:08:13,890 But also, I would just say a good puzzle by its construction 180 00:08:13,890 --> 00:08:17,050 gives you exactly the information that you need, no more, no less. 181 00:08:17,050 --> 00:08:18,330 So if you're looking at a puzzle and you're stuck, 182 00:08:18,330 --> 00:08:20,310 and there's some information there that you haven't used yet, 183 00:08:20,310 --> 00:08:22,900 think about why it's there and how you can work it in. 184 00:08:22,900 --> 00:08:26,280 SAM CLARK: Great. great, teamwork makes the dream work. 185 00:08:26,280 --> 00:08:29,310 Final question, maybe a little unorthodox. 186 00:08:29,310 --> 00:08:35,850 How much would I have to bribe you to get the answers to all of the puzzles? 187 00:08:35,850 --> 00:08:37,591 OK, good answer, yeah. 188 00:08:37,591 --> 00:08:39,299 All right, all right, pleading the fifth. 189 00:08:39,299 --> 00:08:40,502 ZACK: For you, no charge. 190 00:08:40,502 --> 00:08:41,669 SAM CLARK: No charge for me. 191 00:08:41,669 --> 00:08:44,220 I'm going to get all the answers before this wraps up. 192 00:08:44,220 --> 00:08:46,262 All right, thank you so much again to our friends 193 00:08:46,262 --> 00:08:48,240 at Meta for creating the puzzles. 194 00:08:48,240 --> 00:08:50,530 You'll hear from them later on today. 195 00:08:50,530 --> 00:08:52,440 Thank you so much, guys. 196 00:08:52,440 --> 00:08:55,230 Now, as I said before we came in here, we're 197 00:08:55,230 --> 00:08:58,350 in a pretty much brand new building, just a year or two old, 198 00:08:58,350 --> 00:09:00,510 the School of Engineering and Applied Sciences. 199 00:09:00,510 --> 00:09:03,330 All over the building, you'll see groups of students 200 00:09:03,330 --> 00:09:06,320 who are working on these puzzles that our friends at Meta designed. 201 00:09:06,320 --> 00:09:08,070 I'm going to talk with one of those groups 202 00:09:08,070 --> 00:09:12,210 right now to see how that puzzle solving is going. 203 00:09:12,210 --> 00:09:14,100 Hey, guys, are you ready? 204 00:09:14,100 --> 00:09:16,920 All right, I hope I didn't come at a pivotal time. 205 00:09:16,920 --> 00:09:22,410 Introduce yourself to the camera, to our friends at CS50 on the Instagram. 206 00:09:22,410 --> 00:09:25,137 Say Hello, world, and my name is. 207 00:09:25,137 --> 00:09:26,970 JEREMY: Sounds good, all right, I'll use it. 208 00:09:26,970 --> 00:09:27,845 VIVIAN: Hello, world. 209 00:09:27,845 --> 00:09:29,035 My name is Vivian. 210 00:09:29,035 --> 00:09:29,910 WESLEY: Hello, world. 211 00:09:29,910 --> 00:09:30,805 My name is Wesley. 212 00:09:30,805 --> 00:09:31,680 JEREMY: Hello, world. 213 00:09:31,680 --> 00:09:32,610 My name is Jeremy. 214 00:09:32,610 --> 00:09:33,360 ZOE: Hello, world. 215 00:09:33,360 --> 00:09:34,290 My name is Zoe. 216 00:09:34,290 --> 00:09:37,930 SAM CLARK: Fantastic, and as a team, have you come up with a team name? 217 00:09:37,930 --> 00:09:39,312 Do you have a team name? 218 00:09:39,312 --> 00:09:41,270 VIVIAN: I don't know if we've gotten there yet. 219 00:09:41,270 --> 00:09:43,627 WESLEY: We are the Single Ladies in honor of Queen Bey. 220 00:09:43,627 --> 00:09:46,960 SAM CLARK: The Single Ladies in honor of Queen Bey on her Renaissance Tour right 221 00:09:46,960 --> 00:09:47,350 now. 222 00:09:47,350 --> 00:09:47,980 Great answer. 223 00:09:47,980 --> 00:09:49,125 Do you all agree with that one? 224 00:09:49,125 --> 00:09:49,625 VIVIAN: Yes. 225 00:09:49,625 --> 00:09:51,400 SAM CLARK: OK, great, yeah, great team. 226 00:09:51,400 --> 00:09:56,320 In three words each, can you describe the experience 227 00:09:56,320 --> 00:09:59,410 of CS50 Puzzle Day so far, three words. 228 00:09:59,410 --> 00:10:04,020 VIVIAN: Challenging, fun, and invigorating. 229 00:10:04,020 --> 00:10:07,160 SAM CLARK: Oh, invigorating, good choice, good choice, same question. 230 00:10:07,160 --> 00:10:11,510 WESLEY: Collaborative, electric, and intense. 231 00:10:11,510 --> 00:10:15,050 JEREMY: Intense, team-building, but hyphenated 232 00:10:15,050 --> 00:10:17,557 so it's still one word, and fun. 233 00:10:17,557 --> 00:10:18,140 SAM CLARK: OK. 234 00:10:18,140 --> 00:10:21,320 I wasn't keeping track of how many words that technically was, 235 00:10:21,320 --> 00:10:23,270 but we'll let it slide. 236 00:10:23,270 --> 00:10:26,510 ZOE: Frustrating, rewarding, exciting. 237 00:10:26,510 --> 00:10:27,500 SAM CLARK: OK, great. 238 00:10:27,500 --> 00:10:30,380 Do you think that your team-- 239 00:10:30,380 --> 00:10:32,470 do you think you can win it all? 240 00:10:32,470 --> 00:10:32,970 VIVIAN: Yes. 241 00:10:32,970 --> 00:10:35,610 SAM CLARK: Yes, good, confidence we all agree. 242 00:10:35,610 --> 00:10:36,610 They're in it to win it. 243 00:10:36,610 --> 00:10:37,610 They're in it to win it. 244 00:10:37,610 --> 00:10:41,435 Who would you say around you is your biggest competition? 245 00:10:41,435 --> 00:10:42,060 VIVIAN: No one. 246 00:10:42,060 --> 00:10:43,890 SAM CLARK: No one, confident, all right. 247 00:10:43,890 --> 00:10:46,050 Good team spokesperson here. 248 00:10:46,050 --> 00:10:47,460 No one is their competition. 249 00:10:47,460 --> 00:10:48,480 They're in it to win it. 250 00:10:48,480 --> 00:10:53,372 Have you been engaging in any sabotage with any of the other teams? 251 00:10:53,372 --> 00:10:55,580 WESLEY: You just gave us a great idea, though but no. 252 00:10:55,580 --> 00:10:56,180 SAM CLARK: Great idea. 253 00:10:56,180 --> 00:10:57,638 All right, so they might start now. 254 00:10:57,638 --> 00:11:00,328 JEREMY: Yeah that's very, very good strategy for-- 255 00:11:00,328 --> 00:11:02,870 SAM CLARK: All right, fantastic, which puzzle are you on now? 256 00:11:02,870 --> 00:11:05,660 Are you on the first puzzle, second puzzle? 257 00:11:05,660 --> 00:11:06,470 VIVIAN: Books 258 00:11:06,470 --> 00:11:08,120 ZOE: Whichever one the books one is. 259 00:11:08,120 --> 00:11:09,287 SAM CLARK: All right, great. 260 00:11:09,287 --> 00:11:11,900 Can you really quickly walk me through what 261 00:11:11,900 --> 00:11:15,572 this puzzle is, what you're working on, what you're trying to figure out? 262 00:11:15,572 --> 00:11:18,530 JEREMY: Maybe we walk you through one we actually have figured out, so. 263 00:11:18,530 --> 00:11:19,250 SAM CLARK: OK, let's do that. 264 00:11:19,250 --> 00:11:20,900 JEREMY: It's a little bit more expertise, OK. 265 00:11:20,900 --> 00:11:23,210 SAM CLARK: Don't do it too loud because there's a whole bunch of groups around. 266 00:11:23,210 --> 00:11:27,020 JEREMY: Genius, OK, so the puzzle that we're going to walk you through, 267 00:11:27,020 --> 00:11:30,197 is called the zoo pals mystery dinner. 268 00:11:30,197 --> 00:11:31,280 Basically it gives you a-- 269 00:11:31,280 --> 00:11:32,390 SAM CLARK: Zoo pals mystery dinner. 270 00:11:32,390 --> 00:11:34,490 JEREMY: Yes, it gives you a cartoon animal. 271 00:11:34,490 --> 00:11:37,910 And then you have to come up with a dish that matches the number of letters 272 00:11:37,910 --> 00:11:41,270 available that is a well-known dish that's 273 00:11:41,270 --> 00:11:43,980 associated with that particular animal. 274 00:11:43,980 --> 00:11:46,250 So to give you an example, this particular one, 275 00:11:46,250 --> 00:11:47,570 this is a picture of a monkey. 276 00:11:47,570 --> 00:11:50,240 And it says died from baguette bludgeoning. 277 00:11:50,240 --> 00:11:52,070 We deduced that it was monkey bread. 278 00:11:52,070 --> 00:11:56,910 And then based off of that, you have to unscramble certain letters 279 00:11:56,910 --> 00:11:59,400 at the end to find a final passphrase. 280 00:11:59,400 --> 00:12:01,020 SAM CLARK: Wow, so multiple stages. 281 00:12:01,020 --> 00:12:04,410 And how goes the puzzle that you're working on right no? 282 00:12:04,410 --> 00:12:06,390 Do you feel like you're going to solve it? 283 00:12:06,390 --> 00:12:08,405 ZOE: Yes, we will solve it. 284 00:12:08,405 --> 00:12:09,780 SAM CLARK: Yes, we will solve it. 285 00:12:09,780 --> 00:12:11,083 I love that. 286 00:12:11,083 --> 00:12:12,000 I love the confidence. 287 00:12:12,000 --> 00:12:16,860 Any final words before we move on to the next group here at CS50 Puzzle Day? 288 00:12:16,860 --> 00:12:18,270 JEREMY: Single Lady Supremacy. 289 00:12:18,270 --> 00:12:20,340 SAM CLARK: Single Lady Supremacy, anything else? 290 00:12:20,340 --> 00:12:22,370 WESLEY: Good luck, everyone. 291 00:12:22,370 --> 00:12:24,120 ZOE: That's all for-- good luck, everyone. 292 00:12:24,120 --> 00:12:25,830 SAM CLARK: Ditto and final word. 293 00:12:25,830 --> 00:12:26,850 VIVIAN: They'll need it. 294 00:12:26,850 --> 00:12:27,900 SAM CLARK: All right, rock and roll. 295 00:12:27,900 --> 00:12:28,980 We're going to move on to another group. 296 00:12:28,980 --> 00:12:29,880 Thank you so much. 297 00:12:29,880 --> 00:12:31,410 They're going to absolutely kill it. 298 00:12:31,410 --> 00:12:35,670 Now we're heading towards the main atrium of this beautiful engineering 299 00:12:35,670 --> 00:12:36,210 building. 300 00:12:36,210 --> 00:12:39,510 This is some massive machine with switches. 301 00:12:39,510 --> 00:12:42,660 I believe an old-timey computer. 302 00:12:42,660 --> 00:12:45,630 I'm not entirely sure what it is, but it's very, very cool. 303 00:12:45,630 --> 00:12:47,700 And as we're getting past this column, we're 304 00:12:47,700 --> 00:12:53,400 heading towards the iconic CS50 duck, which I believe in week three or so 305 00:12:53,400 --> 00:12:57,240 of CS50, students will learn all about why this duck is important. 306 00:12:57,240 --> 00:13:00,180 They'll get little ducts of their own. 307 00:13:00,180 --> 00:13:03,660 And it's welcoming everyone here to CS50. 308 00:13:03,660 --> 00:13:08,520 We've got some cool art installations past here. 309 00:13:08,520 --> 00:13:11,580 Do a little bit of this very cool, very cool. 310 00:13:11,580 --> 00:13:16,320 Behind me, over here, we've got the fantastic CS50 Puzzle Day photo booth. 311 00:13:16,320 --> 00:13:19,900 You'll be able to see a lot of those photos on the CS50 Instagram here. 312 00:13:19,900 --> 00:13:22,780 But now what we're going to talk to our second group. 313 00:13:22,780 --> 00:13:25,410 See how it's going in their puzzle solving. 314 00:13:25,410 --> 00:13:28,110 Hey, team, are you ready to chit chat a little bit? 315 00:13:28,110 --> 00:13:29,130 All right, here we go. 316 00:13:29,130 --> 00:13:31,830 This team is going to introduce themselves. 317 00:13:31,830 --> 00:13:33,000 Say hello, world. 318 00:13:33,000 --> 00:13:35,010 My name is. 319 00:13:35,010 --> 00:13:37,918 TOYOSI: Hello, world my name is Toyosi. 320 00:13:37,918 --> 00:13:38,835 WAFEEKA: Hello, world. 321 00:13:38,835 --> 00:13:40,728 My name is Wafeeka. 322 00:13:40,728 --> 00:13:41,520 NORA: Hello, world. 323 00:13:41,520 --> 00:13:43,562 My name is Nora. 324 00:13:43,562 --> 00:13:44,520 TINGTING: Hello, world. 325 00:13:44,520 --> 00:13:46,285 My name is Tingting. 326 00:13:46,285 --> 00:13:47,160 LONNIE: Hello, world. 327 00:13:47,160 --> 00:13:48,600 My name is Lonnie. 328 00:13:48,600 --> 00:13:52,980 SAM CLARK: Fantastic, do you have a team name that you've decided upon? 329 00:13:52,980 --> 00:13:54,750 WAFEEKA: No, but we can come up with one. 330 00:13:54,750 --> 00:13:55,365 Any ideas? 331 00:13:55,365 --> 00:13:58,210 332 00:13:58,210 --> 00:13:59,710 SAM CLARK: Think on it, think on it. 333 00:13:59,710 --> 00:14:01,335 I'll come back to you on the team name. 334 00:14:01,335 --> 00:14:05,380 If it comes to you, if there's a spark of inspiration, let me know. 335 00:14:05,380 --> 00:14:08,270 How is CS50 Puzzle Day going for you so far? 336 00:14:08,270 --> 00:14:10,690 TOYOSI: It's very hard, but it's also fun 337 00:14:10,690 --> 00:14:14,110 to get to work with my friends to try to solve these puzzles. 338 00:14:14,110 --> 00:14:15,610 SAM CLARK: Fantastic, same question. 339 00:14:15,610 --> 00:14:18,880 WAFEEKA: Yeah, no, as we've been working on the puzzles, 340 00:14:18,880 --> 00:14:20,920 my head's starting to hurt, but it's OK. 341 00:14:20,920 --> 00:14:21,815 We'll figure it out. 342 00:14:21,815 --> 00:14:22,690 SAM CLARK: It's good. 343 00:14:22,690 --> 00:14:23,470 It's important. 344 00:14:23,470 --> 00:14:24,850 It's getting the cogs turning. 345 00:14:24,850 --> 00:14:28,870 Could you describe a CS50 Puzzle Day in three words? 346 00:14:28,870 --> 00:14:29,650 NORA: Three words? 347 00:14:29,650 --> 00:14:30,608 SAM CLARK: Three words. 348 00:14:30,608 --> 00:14:33,520 NORA: That's difficult. I'd say stressful, fun, rewarding. 349 00:14:33,520 --> 00:14:35,410 SAM CLARK: Great, I love that trio. 350 00:14:35,410 --> 00:14:39,960 TINGTING: Satisfying, delicious, and interesting. 351 00:14:39,960 --> 00:14:41,710 SAM CLARK: Great, great, I love delicious. 352 00:14:41,710 --> 00:14:44,290 There's a lot of free food downstairs for all participants. 353 00:14:44,290 --> 00:14:48,760 Final one over here, CS50 Puzzle Day in three words? 354 00:14:48,760 --> 00:14:51,130 LONNIE: Pizza, candy, friendship. 355 00:14:51,130 --> 00:14:54,340 SAM CLARK: Pizza, candy, and friendship, CS50 Puzzle Day. 356 00:14:54,340 --> 00:14:56,140 We'll get that printed on a shirt. 357 00:14:56,140 --> 00:14:58,910 Do you have a favorite puzzle you've worked on so far? 358 00:14:58,910 --> 00:15:02,610 359 00:15:02,610 --> 00:15:05,820 WAFEEKA: I think the book, the library one was really cool. 360 00:15:05,820 --> 00:15:07,090 We figured out half of it. 361 00:15:07,090 --> 00:15:09,190 But we're just stuck at the very end. 362 00:15:09,190 --> 00:15:11,420 But really cool how they switched one letter. 363 00:15:11,420 --> 00:15:13,920 SAM CLARK: Very cool, so they're still stuck on that puzzle. 364 00:15:13,920 --> 00:15:16,270 They're in the middle of it, but they're loving it. 365 00:15:16,270 --> 00:15:20,280 Any advice that you would give for someone next year 366 00:15:20,280 --> 00:15:22,350 who's doing CS50 Puzzle Day for the first time? 367 00:15:22,350 --> 00:15:26,117 What advice do you wish you had heard? 368 00:15:26,117 --> 00:15:28,450 TOYOSI: I don't know if there's any advice that I'd say. 369 00:15:28,450 --> 00:15:30,200 Just come in with an open mind and prepare 370 00:15:30,200 --> 00:15:31,845 to get stuck because it's not easy. 371 00:15:31,845 --> 00:15:33,720 SAM CLARK: Prepare to get stuck, good advice. 372 00:15:33,720 --> 00:15:35,130 Any other advice? 373 00:15:35,130 --> 00:15:39,090 NORA: ChatGPT will maybe help you. 374 00:15:39,090 --> 00:15:41,620 SAM CLARK: ChatGPT will maybe help you. 375 00:15:41,620 --> 00:15:45,270 Any final words about CS50 Puzzle Day before we move on, 376 00:15:45,270 --> 00:15:48,840 and I'll let you return to your puzzles? 377 00:15:48,840 --> 00:15:51,900 NORA: Honestly, just have fun and enjoy it. 378 00:15:51,900 --> 00:15:53,952 It's a great time to hang out with friends. 379 00:15:53,952 --> 00:15:55,660 SAM CLARK: Fantastic, have fun, enjoy it. 380 00:15:55,660 --> 00:15:56,700 Thank you all so much. 381 00:15:56,700 --> 00:15:58,530 Get back to your puzzles, good luck. 382 00:15:58,530 --> 00:16:00,690 And with that, we're going to head back this way. 383 00:16:00,690 --> 00:16:04,750 We're, again, in the main, main atrium of this beautiful new building. 384 00:16:04,750 --> 00:16:08,680 You can see, if we pan down, over here a full selection 385 00:16:08,680 --> 00:16:13,720 of food down there for all of these very hungry problem solvers. 386 00:16:13,720 --> 00:16:17,290 And when CS50 day-- 387 00:16:17,290 --> 00:16:20,500 excuse me, when CS50 Puzzle Day wraps up at about 3 388 00:16:20,500 --> 00:16:22,910 o'clock Eastern time, all the students are 389 00:16:22,910 --> 00:16:24,910 going to gather here in front of the projectors. 390 00:16:24,910 --> 00:16:27,730 Some of those Meta team members you met earlier, 391 00:16:27,730 --> 00:16:31,360 are going to give all of the answers to the puzzles. 392 00:16:31,360 --> 00:16:34,150 We've got raffle prizes and prizes for who 393 00:16:34,150 --> 00:16:38,540 did the best, for who solved the most puzzles in the least amount of time. 394 00:16:38,540 --> 00:16:42,738 And it might be this team that we're coming up to right now. 395 00:16:42,738 --> 00:16:44,530 Are you all ready to answer some questions? 396 00:16:44,530 --> 00:16:45,772 All right, here we are. 397 00:16:45,772 --> 00:16:46,480 I'm going to sit. 398 00:16:46,480 --> 00:16:47,980 I'll sit right here. 399 00:16:47,980 --> 00:16:52,570 All right, here's another team of students working on their CS50 Puzzle 400 00:16:52,570 --> 00:16:53,373 Day puzzles. 401 00:16:53,373 --> 00:16:55,040 I'm going to pass the microphone around. 402 00:16:55,040 --> 00:16:57,340 Introduce yourself, say hello, world. 403 00:16:57,340 --> 00:16:58,270 My name is. 404 00:16:58,270 --> 00:16:59,470 We'll start here. 405 00:16:59,470 --> 00:17:02,380 SHASHWAT: Hello, world my name is Shashwat. 406 00:17:02,380 --> 00:17:03,280 FAHSI: Hello, world. 407 00:17:03,280 --> 00:17:05,232 My name is Fahsi. 408 00:17:05,232 --> 00:17:06,190 MICHELLE: Hello, world. 409 00:17:06,190 --> 00:17:09,286 My name is Michelle. 410 00:17:09,286 --> 00:17:10,119 SARAH: Hello, world. 411 00:17:10,119 --> 00:17:12,640 My name is Sarah. 412 00:17:12,640 --> 00:17:13,450 YAYA: Hello, world. 413 00:17:13,450 --> 00:17:15,040 My name is Yaya. 414 00:17:15,040 --> 00:17:18,819 SAM CLARK: All right, fantastic, do you have a team name collectively? 415 00:17:18,819 --> 00:17:20,577 Have you decided on a team name? 416 00:17:20,577 --> 00:17:21,369 FAHSI: We have not. 417 00:17:21,369 --> 00:17:24,170 SAM CLARK: OK, all right, get back to me if you decide on a name. 418 00:17:24,170 --> 00:17:26,380 Let me know, absolutely. 419 00:17:26,380 --> 00:17:29,650 How is CS50 Puzzle Day going so far for you all? 420 00:17:29,650 --> 00:17:31,900 How many puzzles have you worked on? 421 00:17:31,900 --> 00:17:33,460 How many puzzles have you solved? 422 00:17:33,460 --> 00:17:36,020 Where are we at so far? 423 00:17:36,020 --> 00:17:38,073 FAHSI: So we've worked on four puzzles so far. 424 00:17:38,073 --> 00:17:39,490 We've only been able to solve one. 425 00:17:39,490 --> 00:17:41,320 But the other three, we're almost done. 426 00:17:41,320 --> 00:17:43,750 So we're doing them simultaneously, just so we can see 427 00:17:43,750 --> 00:17:45,550 if we can solve all of them together. 428 00:17:45,550 --> 00:17:47,300 SAM CLARK: Doing great, good team dynamic. 429 00:17:47,300 --> 00:17:50,470 Can you walk me through the one that you have solved so far? 430 00:17:50,470 --> 00:17:53,560 SARAH: OK, we've solved the one on the music. 431 00:17:53,560 --> 00:18:00,250 And basically, we had photos of music bands, 432 00:18:00,250 --> 00:18:04,660 and then you have to get the name of the band 433 00:18:04,660 --> 00:18:09,820 with the number of letters that is written under the photos, 434 00:18:09,820 --> 00:18:13,360 and then you have a list of numbers in the end. 435 00:18:13,360 --> 00:18:18,160 And you have to order the bands in the order of numbers 436 00:18:18,160 --> 00:18:20,920 because every band has a number. 437 00:18:20,920 --> 00:18:22,150 And then you order them. 438 00:18:22,150 --> 00:18:28,000 You get the first letter of each band, and then that's it, yeah. 439 00:18:28,000 --> 00:18:29,225 That's the correct answer. 440 00:18:29,225 --> 00:18:30,100 SAM CLARK: All right. 441 00:18:30,100 --> 00:18:31,790 And that's the one you've solved so far. 442 00:18:31,790 --> 00:18:36,190 But four more are currently in the works throughout the team, amazing. 443 00:18:36,190 --> 00:18:42,340 Could you describe the experience of CS50 Puzzle Day in just three words? 444 00:18:42,340 --> 00:18:44,420 SHASHWAT: Exhilarating. 445 00:18:44,420 --> 00:18:45,260 SARAH: Delicious. 446 00:18:45,260 --> 00:18:46,730 SAM CLARK: Ooh, exhilarating, delicious. 447 00:18:46,730 --> 00:18:47,750 FAHSI: Very challenging. 448 00:18:47,750 --> 00:18:50,750 SAM CLARK: Very challenging, two words for that one, but we'll take it. 449 00:18:50,750 --> 00:18:52,610 It's a modifier, very. 450 00:18:52,610 --> 00:18:56,127 Any pieces of advice that you would give to someone 451 00:18:56,127 --> 00:18:57,710 who is about to start CS50 Puzzle Day? 452 00:18:57,710 --> 00:18:58,320 Over here. 453 00:18:58,320 --> 00:19:03,110 YAYA: OK, my piece of advice would be to allocate roles within your group. 454 00:19:03,110 --> 00:19:07,460 Because at first, I think with the first puzzle, we weren't sorting it. 455 00:19:07,460 --> 00:19:10,582 We weren't doing it in a good process, and we got stuck. 456 00:19:10,582 --> 00:19:13,040 But for the other ones, what we did was we each took turns. 457 00:19:13,040 --> 00:19:15,410 We collaborated, and we began to function 458 00:19:15,410 --> 00:19:17,750 as a group, rather than a bunch of individuals, which 459 00:19:17,750 --> 00:19:20,780 is why we managed to solve one, and we are now very, very close 460 00:19:20,780 --> 00:19:21,770 to solving another. 461 00:19:21,770 --> 00:19:22,500 SAM CLARK: I love that. 462 00:19:22,500 --> 00:19:23,000 I love that. 463 00:19:23,000 --> 00:19:25,440 You've kind of figured out the team dynamics here a bit. 464 00:19:25,440 --> 00:19:25,940 YAYA: Yeah. 465 00:19:25,940 --> 00:19:27,482 SAM CLARK: OK, question on that note. 466 00:19:27,482 --> 00:19:28,540 Are you in it to win it? 467 00:19:28,540 --> 00:19:29,410 SHASHWAT: Yeah. 468 00:19:29,410 --> 00:19:30,110 SAM CLARK: We're going to win? 469 00:19:30,110 --> 00:19:31,610 All right, they might be the winners here. 470 00:19:31,610 --> 00:19:32,693 SHASHWAT: That's the plan. 471 00:19:32,693 --> 00:19:36,920 SAM CLARK: OK. who around here would you say is your biggest competition? 472 00:19:36,920 --> 00:19:40,700 OK, very firmly, those ones over there are the biggest competition. 473 00:19:40,700 --> 00:19:42,920 OK, fair enough, you're going to win. 474 00:19:42,920 --> 00:19:44,110 I have faith in you. 475 00:19:44,110 --> 00:19:47,873 Any final closing words to the CS50 Instagram audience? 476 00:19:47,873 --> 00:19:49,290 SHASHWAT: Come to CS50 Puzzle Day. 477 00:19:49,290 --> 00:19:51,207 SAM CLARK: Come to CS50 Puzzle Day, all right. 478 00:19:51,207 --> 00:19:55,320 SARAH: If you're watching this, you have to come next year, next like thing. 479 00:19:55,320 --> 00:19:58,650 SAM CLARK: Come next time, or to CS50 X, which you can find online. 480 00:19:58,650 --> 00:20:00,840 All the information will be on the Instagram page. 481 00:20:00,840 --> 00:20:02,490 All right, in this time during our interview, 482 00:20:02,490 --> 00:20:03,907 have you come up with a team name? 483 00:20:03,907 --> 00:20:07,570 484 00:20:07,570 --> 00:20:09,040 Team name over here. 485 00:20:09,040 --> 00:20:11,217 YAYA: There is one thing that we all have in common. 486 00:20:11,217 --> 00:20:11,800 SAM CLARK: OK. 487 00:20:11,800 --> 00:20:14,418 YAYA: Which is that we all come from different countries. 488 00:20:14,418 --> 00:20:15,460 SAM CLARK: Oh, fantastic. 489 00:20:15,460 --> 00:20:16,340 YAYA: If I'm not mistaken. 490 00:20:16,340 --> 00:20:16,882 So we could-- 491 00:20:16,882 --> 00:20:19,362 SAM CLARK: Incredible. 492 00:20:19,362 --> 00:20:20,070 FAHSI: Five Eyes. 493 00:20:20,070 --> 00:20:21,038 YAYA: The Five Eyes. 494 00:20:21,038 --> 00:20:22,080 SAM CLARK: The Five Eyes. 495 00:20:22,080 --> 00:20:22,760 I love it. 496 00:20:22,760 --> 00:20:23,803 SARAH: It's I's and eyes. 497 00:20:23,803 --> 00:20:25,470 SAM CLARK: I's and eyes, double meaning. 498 00:20:25,470 --> 00:20:26,590 We love to see it. 499 00:20:26,590 --> 00:20:28,570 All right, thank you all so much. 500 00:20:28,570 --> 00:20:30,180 Best of luck with the rest of this. 501 00:20:30,180 --> 00:20:32,400 And we're going to head up over here and start 502 00:20:32,400 --> 00:20:39,000 heading outside to talk to Carter, who's been helping run this entire event. 503 00:20:39,000 --> 00:20:41,790 Do we have Carter over this way? 504 00:20:41,790 --> 00:20:43,830 I think so. 505 00:20:43,830 --> 00:20:48,450 Say hi over here to other members of our incredible CS50 team 506 00:20:48,450 --> 00:20:50,940 who have put this entire production together. 507 00:20:50,940 --> 00:20:56,430 And we're going to head outside to wrap up this tour of CS50 Puzzle Day. 508 00:20:56,430 --> 00:20:58,170 Thank you so much for joining us. 509 00:20:58,170 --> 00:21:02,850 As Professor Malan said at the beginning of this live stream, 510 00:21:02,850 --> 00:21:06,540 you can find information about how to do CS50 Puzzle Day yourself, 511 00:21:06,540 --> 00:21:11,460 even if you can't come to the big beautiful engineering building here. 512 00:21:11,460 --> 00:21:16,500 CS50 X Puzzle Day is a fully online experience 513 00:21:16,500 --> 00:21:18,750 where you can get these puzzles created by our friends 514 00:21:18,750 --> 00:21:21,680 at Meta, solve them with teams on your own. 515 00:21:21,680 --> 00:21:24,920 And finally, with that, we are here with Carter. 516 00:21:24,920 --> 00:21:25,980 How's it going? 517 00:21:25,980 --> 00:21:26,210 CARTER: I'm good. 518 00:21:26,210 --> 00:21:26,650 How are you? 519 00:21:26,650 --> 00:21:27,550 SAM CLARK: I'm doing wonderfully. 520 00:21:27,550 --> 00:21:28,510 Here, you can actually hold this. 521 00:21:28,510 --> 00:21:29,740 CARTER: Oh, thank you. 522 00:21:29,740 --> 00:21:32,125 SAM CLARK: How has CS50 Puzzle Day been going? 523 00:21:32,125 --> 00:21:33,250 CARTER: Pretty good so far. 524 00:21:33,250 --> 00:21:35,833 We've had about 400 attendees here in the SEC, 525 00:21:35,833 --> 00:21:38,000 which is actually a lot more than we were expecting. 526 00:21:38,000 --> 00:21:38,583 So it's great. 527 00:21:38,583 --> 00:21:42,123 SAM CLARK: Is it in the running for the biggest Puzzle Day? 528 00:21:42,123 --> 00:21:43,540 CARTER: Definitely in the running. 529 00:21:43,540 --> 00:21:45,665 I don't know what historically our biggest one was, 530 00:21:45,665 --> 00:21:47,560 but it was closer to 500, 600. 531 00:21:47,560 --> 00:21:49,690 So still good to see folks coming out today. 532 00:21:49,690 --> 00:21:54,310 SAM CLARK: Fantastic, and we heard from Professor Malan and from our friends 533 00:21:54,310 --> 00:21:58,390 at Meta, about how Puzzle Day itself isn't necessarily 534 00:21:58,390 --> 00:22:02,620 about computer science, not necessarily about programming. 535 00:22:02,620 --> 00:22:07,450 What is the importance of puzzle solving in the world of computer science? 536 00:22:07,450 --> 00:22:09,250 CARTER: Yeah, I think puzzle solving gets 537 00:22:09,250 --> 00:22:12,170 us this idea of trying to just solve problems, in general. 538 00:22:12,170 --> 00:22:14,440 So when you're facing a computer science problem, 539 00:22:14,440 --> 00:22:16,658 you might not know what to do to start it. 540 00:22:16,658 --> 00:22:18,700 And so I think these puzzles are good for getting 541 00:22:18,700 --> 00:22:20,535 in the habit of feeling uncomfortable. 542 00:22:20,535 --> 00:22:23,410 I don't know how to start solving this but feeling like you can still 543 00:22:23,410 --> 00:22:26,080 go out and try it and make some progress along the way if that makes sense. 544 00:22:26,080 --> 00:22:26,770 SAM CLARK: Amazing, yeah. 545 00:22:26,770 --> 00:22:28,900 And we've asked this question to a whole bunch of groups. 546 00:22:28,900 --> 00:22:30,400 I'm going to ask it to you, as well. 547 00:22:30,400 --> 00:22:34,030 What is CS50 Puzzle Day in just three words? 548 00:22:34,030 --> 00:22:35,860 CARTER: Oh, in three words? 549 00:22:35,860 --> 00:22:37,570 About having fun. 550 00:22:37,570 --> 00:22:39,130 SAM CLARK: Oh, about having fun. 551 00:22:39,130 --> 00:22:40,030 I like that. 552 00:22:40,030 --> 00:22:44,860 Any final words for our viewers at home, for our Instagram fans 553 00:22:44,860 --> 00:22:47,642 before we end this live stream and let them check in later? 554 00:22:47,642 --> 00:22:50,350 CARTER: No just really glad you all could join us virtually here. 555 00:22:50,350 --> 00:22:53,017 We'll have some of these puzzles available to you in the spring, 556 00:22:53,017 --> 00:22:56,170 so make sure you participate in CS50 X Puzzle Day next spring, as well. 557 00:22:56,170 --> 00:22:58,510 SAM CLARK: Fantastic, join us in the spring, 558 00:22:58,510 --> 00:23:01,010 and join us here on campus, as well. 559 00:23:01,010 --> 00:23:03,670 This has been CS50 Puzzle Day. 560 00:23:03,670 --> 00:23:05,240 Again, I've been Sam Clark. 561 00:23:05,240 --> 00:23:09,057 You can find me @theonlysamclark on Instagram if you so desire. 562 00:23:09,057 --> 00:23:11,140 But with that, we're going to end our live stream. 563 00:23:11,140 --> 00:23:13,473 We're going to check back in with some of these students 564 00:23:13,473 --> 00:23:15,430 as they work on their puzzles. 565 00:23:15,430 --> 00:23:18,203 And soon we will find out the winners and the solutions 566 00:23:18,203 --> 00:23:19,120 from our team at Meta. 567 00:23:19,120 --> 00:23:20,060 Thank you so much. 568 00:23:20,060 --> 00:23:21,930 Have a great day. 569 00:23:21,930 --> 00:23:26,000