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Ten Years of Competitive Programming — A Retirement MemoirFrom my first encounter with competitive programming to the ICPC World Finals — a farewell to ten years of contests.
25 min read -
ICPC NAC 2026 — A North American Championship DiaryThe world was finally gentle with you.
11 min read -
2026.2–3 Rehab Trainingそうか、大人になったんだね
10 min read -
The 4th Universal Cup. Stage 10 Grand Prix of Wrocławciallo~
4 min read -
2026.1 Rehab TrainingIf the footprints of a life are one day buried by the dust of time, then we can never stop walking.
15 min read -
Assorted Problems 3Mostly old Luogu blue-difficulty problems I solved years ago, with quick sketches and short editorials.
15 min read -
Assorted Problems 2Mostly old Luogu blue-difficulty problems I solved years ago, with quick sketches and short editorials.
11 min read -
Assorted Problems 1Mostly old Luogu blue-difficulty problems I solved years ago, with quick sketches and short editorials.
9 min read -
![[AGC020C] Median Sum](/_astro/1.DQtKcykb_ZdEzKy.webp)
[AGC020C] Median SumFinding the median of all non-empty subset sums with a bitset knapsack.
1 min read -
ABC367Editorial for AtCoder Beginner Contest 367, problems A through G.
5 min read