Rehan Ahmad·Oct 12A Missing abs(), a Formula I Couldn’t Code, and One Year of CodeforcesWhat a tied ICPC prelims taught me after one year of Codeforces and B.Tech
Eren Soylu·Aug 19Solving Codeforces Round 1062 (Div. 4)(A-B-C Ques)Focusing on fundamentals, logical thinking, building from scratch, and learning from constraints.
Nehal Garg·Aug 3The beginner’s guide to starting competitive programmingCompetitive programming puts a clock in front of you, a leaderboard behind you, and a set of problems you may or may not be ready for. That…
Shashankpatel Vns·Jul 19Solving Codeforces 2247A — Zero Sum Using Invariants and ParityHow I derived the O(n) solution by recognizing invariants instead of simulating every operation.