#include "iostream"
using namespace std;
int main(){
	double a;
	int count;
	double sum;

	while(cin>>a){
		if(a==0)
			cout<<'\n';
		else{
			count = 2;
			sum = 0;
			while((sum += (double)(1.0)/(count))<a){
				count++;
			}
			
			cout<<count-1<<" card(s)"<<endl;
		}
	}
	return 0;
}

• Re:成功了，源码如下，很简单 (354) Alenhai 2012-07-04 11:44:47
• Re:成功了，源码如下，很简单 (354) joylin14 2012-07-04 21:25:23