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大家看一下咯!帮帮忙看哪儿出问题了 和楼下贴的应该一样呀 在线等待!!!!我的程序::::: #include <iostream> using namespace std; int main() { double n, m; while (scanf("%lf%lf", &n, &m)==2, n!=0) { double w = n<m ? n:m; double ans=1.0, i; for (i=1; i<=w; i+=1) ans *= ((n+m-i+1)/i); printf("%.0lf\n", ans); } return 0; } ---------------------------- #include < iostream > using namespace std; double com (double n,double m) { double i; double result(1); if ( n >= m - n ){ n = m-n; } for ( i = m;i >= m-n+1;i-=1 ) { result *= (i / (i - (m - n))); } return result; } int main() { double n,m; while (1) { scanf("%lf%lf",&n,&m); if ( n==0 && m==0 ){ break; } printf("%.0lf\n",com (n,m+n)); } return 0; } Followed by:
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