坑爹题不解释。。答案都在题目中。= =数字不是我找出来的。 //First Edit Time: 2014-07-18 15:40//Last Edit Time: 2014-07-18 15:40#include <iostream>#include <cstdio>#include <cstring>#include <cmath>#include <set>#include <vector>#include <map>#include <queue>#include <set>#include <algorithm>using namespace std;int tran[]={5,20,12,2,1,4,6,1,4,4,1,0};int n;int main(){ while(~scanf("%d",&n)) printf("%d\n",tran[n]); return 0;}