CHUPCCA

11-17

CodeForces 933A

11-17

UVA 10055

10-26

Codeforces 631C

10-26

Codeforces 520B

10-26

Codeforces 200B

10-20

Codeforces 287B

10-18

Codeforces 217A

10-18

Codeforces 92B

10-15

Codeforces 221B

10-15

Codeforces 269A