balls
DZY Loves Balls(BestCoder Round # 35 )
DZY Loves BallsTime Limit: 2000/1000 MS (Java/Others)Me … 阅读更多
Throwing Balls into the Baskets (概率dp)
You probably have played the game “Throwing Balls into … 阅读更多
Codeforces Round #309 (Div. 2) C. Kyoya and Colored Balls
Note In the first sample, we have 2 balls of color 1, 2 … 阅读更多
Dragon Balls HDU杭电3635 【并查集,递归的方法找根节点】
Problem Description Five hundred years later, the numbe … 阅读更多