野生的声威的专栏

问题描述：卡塔兰数，是组合数学中一个常出现在各种计数问题中出现的数列。输入一个整数n，计算h(n)。其递归式如下：h(n)= h(0)*h(n-1)+h(1)*h(n-2) + ... + h(n-1)h(0) (其中n>=2，h(0) = h(1) = 1) 该递推关系的解为：h(n)=C(2n,n)/(n+1) (n=1,2,3,...)思路：直接根据递归式，写出相应的算法。

Counting Factor TreesTime Limit: 2 Seconds Memory Limit: 65536 KB Factoring, i.e., listing all the prime factors, of an integer is a useful skill that often helps to solve math problems. F

The Boss on MarsTime Limit: 2 Seconds Memory Limit: 65536 KB On Mars, there is a huge company called ACM (A huge Company on Mars), and it’s owned by a younger boss.Due to no moons around

A Game Between Alice and BobTime Limit: 5 Seconds Memory Limit: 262144 KB Alice and Bob play the following game. A series of numbers is written on the blackboard. Alice and Bob take turns

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