Codeforces Round 762(Div-3) Solutions || Problems A,B,C,D, and E

Hey everyone! as always, here are the solutions to problems A, B, C, D, and E of Codeforces Round 762 (Div-3) If you are interested in attending free classes based on competitive programming and ask cp related and other doubts, then you are welcome to join my discord server. Link to the server: https://discord.gg/6Jgrfty9fJ Contact me here : Linkedin : https://www.linkedin.com/in/harisam-s-351868113/ Instagram : https://www.instagram.com/sharmaharisam/ Codeforces : https://codeforces.com/profile/sharmaharisam #CP #Codeforces #Upsolving #Contest Timestamps : 0:00 - Intro 0:54 - A: Square String? 2:18 - B: Squares and Cubes 5:52 - C: Wrong Addition 17:01 - D: New Year's Problem 34:16 - MEX and Increments