UVa 1025 A Spy in the Metro

05-04

HDU 5375Gray code

04-25

2016弱校连萌Round 1d dir -C

03-21

2016弱校连萌Round 1l Liesbeth and the String

03-21

HDU 5642 King's Order

03-14

Codeforces 264C Choosing Balls

03-06

Codeforces 264B Good Sequences

03-06

Cyw的回文串

12-13

UVa 12034 Race

11-22

HDU 5569 matrix

11-21