[Codeforces] Round 750 (Div. 2) F2. Korney Korneevich and XOR (hard version)Read more
[Codeforces] Round 750 (Div. 2) F1. Korney Korneevich and XOR (easy version)Read more
[Codeforces] Technocup 2022 - Elimination Round 1 D. Omkar and the Meaning of LifeRead more
[Codeforces] Round 756 (Div. 3) F. ATM and StudentsRead more
[Codeforces] Round 761 (Div. 2) D2. Too Many Impostors (hard version)Read more
[Codeforces] Round 761 (Div. 2) D1. Too Many Impostors (easy version)Read more
[AtCoder] C - 天下一文字列集合Read more
[AtCoder] D - 無刻印キーボードRead more
[AtCoder] C - 天下一王国の歴史Read more
[AtCoder] B - 高橋君と禁断の書Read more