CHUPCCA

03-04

CodeForces 1311A

01-17

CodeForces 913C

12-22

UVA 12694

12-14

CodeForces 996A

12-13

CodeForces 1253C

12-13

CodeForces 1207C

11-26

CodeForces 1176C

10-26

Codeforces 520B

10-18

Codeforces 92B

09-19

Codeforces 1197A