摘要：
田忌赛马时间限制：3000ms | 内存限制：65535KB难度：3描述Here is a famous story in Chinese history."That was about 2300 years ago. General Tian Ji was a high official in the country Qi. He likes to play horse racing with the king and others.""Both of Tian and the king have three horses in different classe 阅读全文
摘要：
阶乘之和时间限制：3000ms | 内存限制：65535KB难度：3描述给你一个非负数整数n，判断n是不是一些数（这些数不允许重复使用，且为正数）的阶乘之和，如9=1！+2!+3!，如果是，则输出Yes，否则输出No；输入第一行有一个整数0=0;i--) if(n>=a[i]) n-=a[i]; 第三部: if(n==0) printf("Yes\n"); else printf("No\n")#include#define size 9int main(){ int t,n,i; int a[size]=... 阅读全文