hdoj1056简单题

[c++]代码库

#include<iostream>
using namespace std;

int main(){
	double m;
	double distance;
	int count;
	while(cin>>m && m != 0){
		count = 1;
		distance = 1.0 / 2;
		while(distance < m){
			count++;
			distance += 1.0 / (count + 1);
			
		}
		cout<<count<<" card(s)"<<endl;
		}
}