2016-04-30

生成函数

2016-04-30

欧拉函数和欧拉筛

2016-04-30

GCD和Extended_GCD（多元不定方程）

2016-04-30

不定方程

2016-04-22

HDU4596 Yet another end of the world

2016-04-21

USACO1.1.4beads

2016-04-21

CF Round319

2016-04-21

USACO1.3.2barn1

2016-04-16

HDU1584 蜘蛛牌

2016-04-16

HDU1241 Oil Deposits