[ABC140] E.Second Sum

09-29

[POJ - 1185] 炮兵阵地

09-27

[HDU - 1575] Tr A

09-25

[SPOJ NO GCD]

09-25

[HC - 1044] 状态压缩一

09-22

[POJ - 2411] Mondriaan's Dream

09-22

[Shortest Hamilton path]

09-22

[POJ - 1155] TELE

09-13

[UVA-1292-Strategic] game

09-12

[Luogu-P1122] 最大子树和

09-12