Problem-solving of recent div1 A-B problems from Codeforces. Watch me if you want to practice Competitive Programming, algorithms or you want to learn for a coding interview. I share my thought process, explain everything, and mention similar problems that I know or techniques/algorithms that could be used too. Learn from me and grow your rating on Codeforces! I'm known as Errichto. I compete in and organize programming competitions. I'm a finalist of ACM-ICPC, Topcoder Open, Facebook Hacker Cup and Google Code jam. I got a second place in Google Code Jam 2018. What is Competitive Programming? https://en.wikipedia.org/wiki/Competitive_programming Follow me on Facebook: https://www.facebook.com/errichto Competitive Programming Discord: https://discordapp.com/invite/UzaURu7