2020

Codeforces 1466E Apollo versus Pan

2020-12-31

数论

Codeforces 1466D 13th Labour of Heracles

2020-12-31

贪心

Codeforces 1466C Canine poetry

2020-12-31

贪心

Codeforces 1463D Pairs

2020-12-18

模拟

Codeforces 1463C Busy Robot

2020-12-18

模拟

Codeforces 1463B Find The Array

2020-12-18

模拟

Codeforces 1463A Dungeon

2020-12-18

模拟

Codeforces 1462F The Treasure of The Segments

2020-12-16

模拟

Codeforces 1462E2 Close Tuples (hard version)

2020-12-16

组合

Codeforces 1462E1 Close Tuples (easy version)

2020-12-16

组合