P1084 疫情控制

12-20

CF1430F Realistic Gameplay

10-31

CF1406E. Deleting Numbers

09-12

CF1379D New Passenger Trams

07-22

1382E - Mastermind

07-22

Codeforces Round 656 (Div. 3)

07-22

CF1379C.Choosing flowers

07-21

CF1369E DeadLee

07-10

1343F - Restore the Permutation by Sorted Segments

05-11

E. Drazil Likes Heap

04-20