AC的代码:
#include<iostream> using namespace std; long long int fact(int m); int main() { int n; while(cin>>n) { long long int sum1=0,sum2=0; if (n==0) break; int m,p; if (n%2==0)//n为偶数 { p=n;m=n-1; } else //n为奇数 { m=n;p=n-1; // if (p==0) break; } int i,j; for (i=1;i<m+1;i=i+2) sum1+=fact(i); for (j=2;j<p+1;j=j+2) sum2+=fact(j); cout<<sum1<<" "<<sum2<<endl; } return 0; } long long int fact(int m) { if (m==1) return 1; else return m*fact(m-1); }