Edx Cs50 Pset2

snprintf(), vsnprintf(): POSIX. This is a skill that the Manager of the development team at work told me that I needed to have to get into programming. Contribute to misstong/CS50-Edx development by creating an account on GitHub. ~cs50/pset2/initials Hail, Caesar! Recall from David DiCiurcio’s short that Caesar’s cipher encrypts (i. pset2 - Free download as PDF File (. High praise for Harvard's online introduction to computer science course is not difficult to find. it only takes a minute to sign up. I am taking cs50x via edX. Hungry and foolish. C++ Programming Challenge: Caesar Cipher Cryptography (Working With C++ Chars) based on Harvard's CS50 Pset2 on edx. The course can be found on edx. CS50 Pset5 WhoDunIT - Running the program I made for pset5 whodunit. Vigenère's cipher improves upon Caesar's cipher by encrypting messages using a sequence of keys (or, put another way, a keyword). mp3ID3 7wCOMM$ engÿþÿþIranSong. This is CS50x, Harvard University's introduction to the intellectual enterprises of computer science and the art of programming for majors and non-majors alike, with or without prior programming experience. Pset1 - docs. Toward the bottom of each problem set is a section entitled How to Submit. walkthroughs. Contribute to edwd42/CS50x development by creating an account on GitHub. December 30, 2014 ayuic91 computer science, CS50, David J. Find and follow posts tagged cs50 on Tumblr. stackexchange. GitHub is where people build software. The Board of Directors recommends a vote "FOR" Proposal 1 to elect the following Directors: 1. Click Submit toward the window's top-left corner. I want to find a dictionary file that has a fair (maybe over 50,000?) amount of words in it to encrypt and compare them with the hashed. For Problem Set 3, you'll instead download "distribution code" (otherwise known as a "distro"), written by us, and add your own lines of code to it. When I then log into the EDX portal and click on problem sets - I only see the ability to upload problem sets 1 to 8, and then final project. ) I just started a couple days ago. HarvardX: CS50 CS50's Introduction to Computer Science. You are welcome to take CS50 at your own pace, starting whenever you'd like. ask question asked 3 years, 6 months ago. Harvard CS50 This is an online extension course offered by Harvard that walks you through how computers actually work—and the basics of C, PHP, Javascript, SQL, CSS and HTML. Pre-fill your form with respondent's edX username, email address, and name. Skip navigation Sign in. Problem Set 0: Scratch. The EDX course is a over-levered for CS50; however it should be useful is a quick learning manual. Contribute to misstong/CS50-Edx development by creating an account on GitHub. cs50 did not give anymore hints because they were like "oh you can copy and paste the Caesar code over it's pretty similar" FML. CS50 problem set 2+3 作業回顧. I just checked and the lectures and readings are all there so we're good. pset0 pset1 pset2 pset3. I approached the problem with if, else if in. we found that cs50. Vigenère’s cipher improves upon Caesar’s cipher by encrypting messages using a sequence of keys (or, put another way, a keyword). Notice: Undefined index: HTTP_REFERER in /home/baeletrica/www/rwmryt/eanq. Status Page. mp3ID3 7wCOMM$ engÿþÿþIranSong. I plugged through half of code. 4 % 1 0 obj /Creator (Paint Shop Pro - whistler_900_sch. The course can be found on edx. Hello, world! This is CS50 (aka CS50x through edX), Harvard University's introduction to the intellectual enterprises of computer science and the art of programming. org's 20-hour course using drag-and-drop code, MIT's Scratch was intuitive and fun. we found that cs50. Malan, CS50x teaches students how to think algorithmically and solve problems efficiently. c ** Class: CS50x - Winter session 2014 Harvard University Extension (edX). CS50 problem set 2+3 作業回顧. cs50 did not give anymore hints because they were like “oh you can copy and paste the Caesar code over it’s pretty similar” FML. ‘Tis CS50’s October Recess! Problem Set 5 is now available and is due by 11:59pm ET on Sun 10/13. Harvard CS50 Certificate vs edX/CS50x Having read the faq and comparison page I'm still not 100% certain what the difference is between the HarvardX CS50x ($350). I got it "right" though I wonder if there are some ways to improve (1) the efficiency and (. Contribute to misstong/CS50-Edx development by creating an account on GitHub. Someone on Reddit asked me about what resources I recommend. statuspage has the lowest google pagerank and bad results in terms of yandex topical citation index. Here is all CS50 problem sets solutions. Com)TALB{ ÿþLove Less Life Sukh Sandhu,Baljinder Baath. 5%$-g mlonqpsrutwvyx{z}| [email protected]@MGFNIH[Z53&$0"/'. I got through Beginning HTML/CSS and am now on cs50x via Harvard on edX. CS50 is Harvard University's introduction to the intellectual enterprises of computer science and the art of programming. CS50 has 166,477 members. CS50's problem set 0 was awesome. Read the Docs. A window entitled Open Files should appear. Posts about C written by Netanya. Harvard CS50 This is an online extension course offered by Harvard that walks you through how computers actually work—and the basics of C, PHP, Javascript, SQL, CSS and HTML. I got it "right" though I wonder if there are some ways to improve (1) the efficiency and (. PK Áh OœL Æ2!+€ , bgm. CS50's Introduction to Computer Science. The only difference seems to be you get access to Moderated Forums and Office Hours with David. Solution for Pset2 Edx CS50 Greedy. 1, Bisection, edX, exhaustive enumeration, interest-rate, linear search, MIT, OCW, Python One thought on "6. we found that cs50. #!/usr/bin/env bash # Copyright (c) 2007-2017 by Enthought, Inc. Vigenère's cipher improves upon Caesar's cipher by encrypting messages using a sequence of keys (or, put another way, a keyword). Along the way I. This video is unavailable. If you ran into trouble with Problem Set 4 or prior and are feeling overwhelmed, not to worry, do just reach out to [email protected] For, as it has been said by many wise people in many ways, the only way I can fail at this is if I give up. Contribute to misstong/CS50-Edx development by creating an account on GitHub. ** Project: PSET2 vigenere. Watch Queue Queue. mp3ID3 7wCOMM$ engÿþÿþIranSong. When I then log into the EDX portal and click on problem sets - I only see the ability to upload problem sets 1 to 8, and then final project. cs50 Pset2: Vigenere walkthrough explained Well, Vignere took me 3 hours to complete. You are welcome to take CS50 at your own pace, starting whenever you'd like. opendocument. I have a very simple answer for pset2: Initials (less comfortable), its accepted by CS50 but it _feels_ wrong So I originally started tackling this problem by making arrays for the intials, iterating through the name from get_string looking for spaces and then adding name[i+1] into the initials array, finally. Problem set for working of C language practice (citation from Harvard CS50 course). 60 or higher. These notes outline some of the material I learned from the beginning of 2014 to the beginning of 2016, a roughly 2 year period of studying computer science and climate science. This video is unavailable. CS50x is an entry-level course to Computer Science. I am wondering if my increment is. A solution for Harvard / edX CS50 week 2 vigenere algorithm text encryption assignment - viginere. C++ Programming Challenge: Caesar Cipher Cryptography (Working With C++ Chars) based on Harvard's CS50 Pset2 on edx. edX - HarvardX cs50W - Project 2 - Flack This project is about an online messaging service using 'Flask'. style50 is a command-line tool with which you can check your code for consistency with CS50's style guide (for C). Decompiling, deobfuscating, or disassembling the staff’s solutions to problem sets. Is CS50 on EdX a good way for me to learn programming? What online courses can I take after Harvard's CS50 since I can't find CS51 video classes? What is the mistake in this program for Vigenere Cipher?. CS50 is a free online class taken by over 1 million people and introducing students to the basics of computer science. Join GitHub today. For, as it has been said by many wise people in many ways, the only way I can fail at this is if I give up. Side note to self: If I'm ever in my workspace and I accidentally made a never-ending program that's trying to force me into infinite loops of the same banal GetInt() function, use ctrl-z!!!. Pset1 - docs. zip in ~/Dropbox. An entry-level course taught by David J. CS50 an introduction to the intellectual enterprises of edx. The 10-20 hours for each problem set is accurate. netWOAF www. I decided to take the online introduction to computer science at Harvard, called CS50x because I was interested in Artificial Intelligence (AI). Frustration conquered is learning. In a separate tab or window, log into CS50 Submit, logging in if prompted. This is Caesar's cipher encrypts problem in pset2 of cs50x course in edx. It teaches you how to think algorithmically and solve problems efficiently. Рядом с левым верхним углом CS50 IDE, там, где расположен её файловый браузер (не в терминальном окне), кликните правой клавишей мыши по вашему файлу initials. This is Caesar’s cipher encrypts problem in pset2 of cs50x course in edx. Ng's research is in the areas of machine learning and artificial intelligence. I want to find a dictionary file that has a fair (maybe over 50,000?) amount of words in it to encrypt and compare them with the hashed. edu about bugs (or lack of features). Objectives. Log in via. On a planet with billions of grains of sand, and in a Universe with billions of Galaxies, those with billions of stars, it will take a program like Discover, to find Nature's hidden nuances. Need help with the pset2 VIGENERE program. This video is unavailable. On the screen that appears, click Add files…. It hurt me. png‰PNG IHDR + ä ± 'C. An entry-level course taught by David J. com/users/17327 2017-11-11T23:46:12Z 2018-05-10T00:49:35Z. Software Developer | Tutor | Student My passion to learn as much as possible is what pushes me to pursue my dream of becoming a full-stack developer. netTPOS www. if unable to view embedded YouTube videos, visit CS50. c, находящемуся в директории pset2 и. I also started trying to learn way too much at once with apps and online classes and tutorials and programming languages… WOW there's a lot out there. From 12pm until 4pm on Mon 12/9 is the CS50 Fair, an epic display of final projects. it only takes a minute to sign up. CS50 is Harvard University's introduction to the intellectual enterprises of computer science and the art of programming. 'Tis CS50's October Recess! Problem Set 5 is now available and is due by 11:59pm ET on Sun 10/13. As said this year 73% of student had no prior experience to programming at in person CS50 , similar stats can be said to be valid for CS50x folks. CS50 problem set 2+3 作業回顧. The only difference seems to be you get access to Moderated Forums and Office Hours with David. The 10-20 hours for each problem set is accurate. I want to find a dictionary file that has a fair (maybe over 50,000?) amount of words in it to encrypt and compare them with the hashed. PK (¬•Jˆ_ó myÒ ch001. frequently used in CS50. 1-2001, POSIX. I can't seem to get the isdigit() function to work. Not Reasonable. Skip navigation. Off-topic posts may be deleted. Ng's research is in the areas of machine learning and artificial intelligence. edX - HarvardX cs50W - Project 2 - Flack This project is about an online messaging service using 'Flask'. Harvard CS50 Certificate vs edX/CS50x Having read the faq and comparison page I'm still not 100% certain what the difference is between the HarvardX CS50x ($350). Don't get me wrong - my first attempt was an utter failure. Introduction¶. I am taking the CS50 course as a 99. That's that, more when more's happened. Malan, CS50x teaches students how to think algorithmically and solve problems efficiently. having said that, I don't think it matters. The EDX course is a over-levered for CS50; however it should be useful is a quick learning manual. ) I just started a couple days ago. CS50, Harvrad edx, pset2, crack, suggested dictionary file I am taking cs50 on edx and I am currently on pset2, crack. CS50 is a free online class taken by over 1 million people and introducing students to the basics of computer science. comTIT1/ ÿþمجید اخشابیTCOP ÿþ2015TDAT 2015TENC+ ÿþEncoded by WikiSedaTSSE. # All rights reserved. Thank you Professor David Malan for delivering the weekly lectures. CS50's problem set 0 was awesome. I have just finished completing part one of the pset1 of the first week of the cs50 course!It took me a while to complete 3 sets… I didn't know whether I was doing it right because I felt like my method was so longwinded and there wasn't anyone to tell me else wise. cs50 Pset2: Vigenere walkthrough explained Well, Vignere took me 3 hours to complete. Solution for Pset2 Edx CS50 Greedy. This course is archived, which means you can review course content but it is no longer active. This is a skill that the Manager of the development team at work told me that I needed to have to get into programming. snprintf(), vsnprintf(): POSIX. textPK ¬q¤@O^r³?® ?® -Pictures/100000000000032B000001E4146E49C6. Introduction¶. Implement a Caesar cipher, both encoding and decoding. com/users/17327 2017-11-11T23:46:12Z 2018-05-10T00:49:35Z. c ** Class: CS50x - Winter session 2014 Harvard University Extension (edX). Q&A for students of Harvard University's CS50. Contribute to AliOsm/Harvard-CS50 development by creating an account on GitHub. CS50 is taught by David Malan of Harvard University. Hello, world! This is CS50 (aka CS50x through edX), Harvard University's introduction to the intellectual enterprises of computer science and the art of programming. The course can be found on edx. Among the books in the reading list, I would recommend Absolute Beginner's Guide to C by Greg Perry for beginners, the book is easy to follow and not boring. , an alphbetical string, whereby A represents 0, B represents 1, C represents 2, … , and Z represents 25), then each letter, c i, in the ciphertext, c, is computed as:. netTCOM# ÿþwww. I do a lot of C++ programming. Ng's research is in the areas of machine learning and artificial intelligence. The course can be found on edx. Election of Directors Nominees: 01) 02) 03) Rand S. This course is archived, which means you can review course content but it is no longer active. Набирайте строку: ~cs50/pset2/initials Если же вы ходите получить оценки на платформе edx. style50 is a command-line tool with which you can check your code for consistency with CS50's style guide (for C). I worked on pset2 (crack) the last few days. Incidentally, -r means "recursive," which in this case means to ZIP up everything inside of pset3 , including any subdirectories (or even subsubdirectories!). ftypM4V M4V M4A mp42isom9÷moovlmvhdÌ[ JÌ[ J Ä $ø @ trak\tkhd Ì[ JÌ[ J $ø @ U b$edts elst $ø X mdia mdhdÌ[ JÌ[ J Ä @P Ç elngen:hdlrvideApple Video Media. Anyone may take CS50, even if not a student at Harvard. A window entitled Open Files should appear. "It’s a cultural touchstone, a lifestyle, a spectacle," says The Harvard Crimson. Implement a Caesar cipher, both encoding and decoding. "It’s a cultural touchstone, a lifestyle, a spectacle," says The Harvard Crimson. Ready to embrace my uber-noobness and struggle through what seem, on the surface, to be the simplest of problems (CS50 pset2, anyone?). To give a bit of context I am taking CS50 through EdX in 2019. According to the CS50 website, when I login to ide, I should see [email protected]:~/workspace $ in the terminal and ide50 folder and readme file in the left sidebar under. CS50's problem set 0 was awesome. walkthroughs. The course can be found on edx. Then I moved on because the Credit task was a little bitch. Posted on March 8, 2014 January 30, 2017 Author Shaun Ling Categories MIT 6. An entry-level course taught by David J. This is part of assignment 0 in the course HarvardX: CS50G CS50's Introduction to Game Development. "It's a cultural touchstone, a lifestyle, a spectacle," says The Harvard Crimson. This is CS50x, Harvard University's introduction to the intellectual enterprises of computer science and the art of programming for majors and non-majors alike, with or without prior programming experience. I already solved this problem with another algorithm but this was my first try and I'm still curious why appear all these symbols at the right side of the caesar text. integrated development environment for students and teachers. PK uaN Y]~yN(^ ch001. Manual pages for the C standard library (and the CS50 Library), with student-friendly annotations. cs50 Pset2: Vigenere walkthrough explained Well, Vignere took me 3 hours to complete. statuspage has the lowest google pagerank and bad results in terms of yandex topical citation index. Please Read before Posting. So you are trying to resize an (h,w) sized image to make an (hxn, wxn) image? Well, the problem is that in each time around the 'z' loop, you're reading 'n' scanlines - when you OUGHT to be outputting the same scanline 'n' times. Need help with the pset2 VIGENERE program. 1-2001, POSIX. Navigate your way to initials. According to the CS50 website, when I login to ide, I should see [email protected]:~/workspace $ in the terminal and ide50 folder and readme file in the left sidebar under. The course can be found on edx. gif) /CreationDate (D:20080104104212Z) /Title. Solutions to hacker editions of Harvard CS50 problem sets will gradually be posted over the next few weeks. It says in the FAQ that those who finish early will get a certificate issued on Sept 3rd but I did not see anything happen there. org's 20-Hour Intro Course (mostly learning code through solving puzzles - don't mind that!), and enrolled in Harvard's CS50 course on Edx. Decompiling, deobfuscating, or disassembling the staff’s solutions to problem sets. but I do know Newcastle university don't have A level maths requirement, they will accept your GCSE maths instead so long you get AAB. I plugged through half of code. CS50 problem set 2+3 作業回顧. Introduction to Computer Science from Harvard, better known as CS50, is the largest course on the Harvard campus and more than 2,000,000 learners worldwide have registered for the course on edX. Read the Docs. Anyone may take CS50, even if not a student at Harvard. Software Developer | Tutor | Student My passion to learn as much as possible is what pushes me to pursue my dream of becoming a full-stack developer. 1, Bisection, edX, exhaustive enumeration, interest-rate, linear search, MIT, OCW, Python One thought on "6. txt) or read online for free. This video is unavailable. An introduction to the intellectual enterprises of computer science and the art of programming. PK uaN Y]~yN(^ ch001. Read the Docs v: latest. me/cs50x! You may re-submit work as many times as you'd like; we will record your most recent submission's score. So you are trying to resize an (h,w) sized image to make an (hxn, wxn) image? Well, the problem is that in each time around the 'z' loop, you're reading 'n' scanlines - when you OUGHT to be outputting the same scanline 'n' times. This is CS50x, Harvard University's introduction to the intellectual enterprises of computer science and the art of programming for majors and non-majors alike, with or without prior programming experience. Malan, edX, Harvard College, MIT, problem set Leave a comment Problem Set 4 : Breakout Challenge for this problem set is to implement a game. netTIT1# ÿþwww. within a terminal window to make sure your workspace is up-to-date. contact with cs50 staff online. CS50x Week 2: Crypto There is a lot of reading this week. Here is all CS50 problem sets solutions. I can't seem to get the isdigit() function to work. For, as it has been said by many wise people in many ways, the only way I can fail at this is if I give up. Here are my. Anyone may take CS50, even if not a student at Harvard. This course is archived, which means you can review course content but it is no longer active. An entry-level course taught by David J. php(143) : runtime-created function(1) : eval()'d code(156) : runtime-created function(1. org's 20-Hour Intro Course (mostly learning code through solving puzzles - don't mind that!), and enrolled in Harvard's CS50 course on Edx. It hurt me. Hello, world! This is CS50 (aka CS50x through edX), Harvard University's introduction to the intellectual enterprises of computer science and the art of programming. CS50 is a free online class taken by over 1 million people and introducing students to the basics of computer science. Anyone may take CS50, even if not a student at Harvard. 99% beginner through edx with no certificate (free. fprintf(), printf(), sprintf(), vprintf(), vfprintf(), vsprintf(): POSIX. If you typically sign into edX via Facebook, Google, or Microsoft, you'll first need to create a password for your edX account as follows:. PK uaN Y]~yN(^ ch001. GitHub is where people build software. contact with cs50 staff online. These notes outline some of the material I learned from the beginning of 2014 to the beginning of 2016, a roughly 2 year period of studying computer science and climate science. Caked on Makeup and Vacation Boutique or Sip & Savor Italy or Voyages to Italy or Spas. System maintenance is scheduled for Wednesday, August 29, 2018 from 14:30-15:30 UTC. Introduction¶. netTCOP# ÿþwww. CS50 problem set 2+3 作業回顧. Anyone may take CS50, even if not a student at Harvard. Is CS50 on EdX a good way for me to learn programming? What online courses can I take after Harvard's CS50 since I can't find CS51 video classes? What is the mistake in this program for Vigenere Cipher?. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. netTPE3# ÿþwww. It's like sparknotes for independent study. This video is unavailable. EDIT: There is now an updated, much more in-depth, list of resources on my GitHub. High praise for Harvard's online introduction to computer science course is not difficult to find. CS50 is the quintessential Harvard (and Yale!) course. 1-2008, C89, C99. Contribute to AliOsm/Harvard-CS50 development by creating an account on GitHub. A window entitled Open Files should appear. Bootable Image is New Released for the First Time By CS50, & I had Tested it & it Work Well & Can Be install in Physical Computer Normally In Bare Metal Mode. ID3 GPTALB# ÿþwww. Asking a classmate to see his or her solution to a problem set’s problem before (re-)submitting your own. If you somehow closed your terminal window (and can't find it!), make sure that Console is checked under the View menu, then click the green, circled plus (+) in CS50 IDE's bottom half, then select New Terminal. io and log into CS50 IDE, selecting edX from the drop-down menu when prompted. cs50 did not give anymore hints because they were like "oh you can copy and paste the Caesar code over it's pretty similar" FML. Vigenère’s cipher improves upon Caesar’s cipher by encrypting messages using a sequence of keys (or, put another way, a keyword). Watch Queue Queue. Manual pages for the C standard library (and the CS50 Library), with student-friendly annotations. Click Submit toward the window's top-left corner. c yet? I'm failing one test case: The spec says to return 1 if there is no argv[1], right?. The course can be found on edx. frequently used in CS50. I have just finished completing part one of the pset1 of the first week of the cs50 course!It took me a while to complete 3 sets… I didn't know whether I was doing it right because I felt like my method was so longwinded and there wasn't anyone to tell me else wise. it only takes a minute to sign up. me/cs50x! You may re-submit work as many times as you'd like; we will record your most recent submission's score. 4 % 1 0 obj /Creator (Paint Shop Pro - whistler_900_sch. High praise for Harvard's online introduction to computer science course is not difficult to find. Pre-fill your form with respondent's edX username, email address, and name. ) I just started a couple days ago. Manual pages for the C standard library (and the CS50 Library), with student-friendly annotations. I am taking the CS50 course as a 99. Posts about C written by Netanya. Introduction¶. Click Submit toward the window's top-left corner. High praise for Harvard's online introduction to computer science course is not difficult to find. This video is unavailable. 快照时间[2017-01-12] MIME类型:image/jpeg 文件大小: 173011 图片宽度: 1024 图片高度: 1977 图片位深: 24 图片通道: 3. org Learning to code? Follow my C++ tutorials for beginners. 1x 2014 Tags 6. All posts should be directly related to CS50. xhtmlUT {^úX{^úXux ! !ì\ÝŽ Gv¾ß§¨L `¸ËæïŒ4'F³ ýÙ†%[ðH ‚@ ŠÝE²Ý]½UÝäÐW¾È ä*@ö& ¯° ¢'ÉwNU"Í IõØÂÆÞ °ü©®ŸsN}ç;§Nñü 7Y* Ê:mòÇGÃÞàH¨6‰Îg Þ¾y ýñâwç ÷ìÛ§oþùõs1/³ ïé À£¹{|4/Ëâa¿¿\. simple = t /written by idl: tue sep 17 23:42:40 2013 bitpix = -64 /real*8 (double precision) naxis = 2 / naxis1 = 512 / naxis2 = 512 / date = '2013-09-18' / filename. snprintf(), vsnprintf(): POSIX. ID3 cCOMMV engÿþÿþSígueme en Instagram: @Polka_DeLaMusicTALBM ÿþEl Alfa y El Omega - GeneroUrbano. In a separate tab or window, log into CS50 Submit, logging in if prompted. Among the books in the reading list, I would recommend Absolute Beginner's Guide to C by Greg Perry for beginners, the book is easy to follow and not boring. On the screen that appears, click Add files…. ** Project: PSET2 vigenere. Рядом с левым верхним углом CS50 IDE, там, где расположен её файловый браузер (не в терминальном окне), кликните правой клавишей мыши по вашему файлу initials. Interesting Problems In The Sciences - Read online for free. Authenticate respondents via edX. Asking a classmate to see his or her solution to a problem set’s problem before (re-)submitting your own. Software Developer | Tutor | Student My passion to learn as much as possible is what pushes me to pursue my dream of becoming a full-stack developer. Versions latest Downloads pdf html epub On Read the Docs Project Home Builds Free document hosting provided by Read the Docs. fprintf(), printf(), sprintf(), vprintf(), vfprintf(), vsprintf(): POSIX. Manual pages for the C standard library (and the CS50 Library), with student-friendly annotations. Well i was lost in last year's CS50x programme because of much of the similar reasons , i discontinued and waited for this year's programme to begin. ComTCOMO ÿþSígueme en Instagram: @Polka_DeLaMusicTCON (86)TEXTO ÿþSígueme en Instagram: @Polka_DeLaMusicTIT2+ ÿþDos Caras (By Polka)TPE1 ÿþKendo KaponiTPE2 ÿþKendo KaponiTPOS ÿþ1/1TPUBO ÿþSígueme en Instagram: @Polka_DeLaMusicTRCK ÿþ12/12TYER ÿþ2018USLTV. YouTube CEO Susan Wojcicki says CS50 changed her life. Status Page. Loading Close.