About Codeforces Solutions
Codeforces Solutions (cfsolv) is a blog dedicated to competitive programming. We publish clear, worked explanations of Codeforces problems, along with write-ups on algorithms, data structures, and the STL techniques that come up again and again in contests.
The goal is simple: when you're stuck on a problem at 2 a.m. and the editorial isn't clicking, this site should be the next place you look. Every post aims to walk through the reasoning step by step — not just paste a final solution — so you leave understanding the idea, not just the code.
What you'll find here
- Problem-by-problem Codeforces solutions with explained approaches
- Algorithm and data structure tutorials (graphs, DP, trees, segment trees, and more)
- STL usage patterns and C++ tips for competitive programming
- Notes on common logic patterns that show up across contest problems
- Technical Knowledge
Who's behind it
This blog is run by Md Rahat, a competitive programmer who started this site to keep a personal set of notes — and decided it was more useful shared publicly than kept in a private folder.
Get in touch
Questions, corrections, or a problem you'd like covered? Visit the Contact Us page or reach out on WhatsApp at +880 1793-278360.
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