HDU 3709 Balanced Number

08-31

HDU 3652 B-number

08-31

UESTC 250 windy数

08-31

Codeforces 369C Coloring Trees

08-30

HDU 3555 Bomb

08-29

HDU 2089 不要62

08-29

HDU 5125 magic balls

08-07

HDU 5800 To My Girlfriend

08-07

HDU 5791 Two

08-05

DP总结

08-05