HDU 5396 Expression

05-05

HDU 5400 Arithmetic Sequence

05-05

HDU 5384 Danganronpa

04-28

HDU 5385 The path

04-28

HDU 5386 Cover

04-28

HDU 5375Gray code

04-25

HDU 5672 String

04-23

HDU 5671 String

04-23

HDU 5667 Segment

04-17

HDU 5665 Lucky

04-17