View Code of Problem 139

#include<iostream>
using namespace std;
int main(){
    double a[10011];
    a[0]=0.0;
    for(int i = 1; i<10011;i++){
        a[i] = (double) 1/(i+1) + a[i-1];
    }
    double s;
    while(cin>>s){
        if(s==0.00){
            break;
        }
        for(int i= 1; i<10011; i++){
            if(s<a[i]){
                cout<<i<<" card(s)"<<endl;
                break;
            }
        }
    }
    return 0;
}