qq_41398235的博客

POJ 2992 约数定理 DivisorsYour task in this problem is to determine the number of divisors of Cnk. Just for fun – or do you need any special reason for such a useful computation?InputThe input cons...

HDU-5015 矩阵快速幂模板题In our daily life we often use 233 to express our feelings. Actually, we may say 2333, 23333, or 233333 … in the same meaning. And here is the question: Suppose we have a matrix ca...

HDU–1852Beijing 2008Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/65535 K (Java/Others)Problem DescriptionAs we all know, the next Olympic Games will be held in Beijing in 2008. So...