atcoder

Solutions organized by contest series, number, and problem letter.

Structure

<series>/
  <NNN>/
    <letter>/
      solution.<ext>

Contest Series

• abc/ — AtCoder Beginner Contest (easiest)
• arc/ — AtCoder Regular Contest
• agc/ — AtCoder Grand Contest
• ahc/ — AtCoder Heuristic Contest

Problem letters run A (easiest) → F/G (hardest) within each contest.

Indexed in code.db at krisyotam.com/code.