POJ 1003(累加)

/* * POJ_1003.cpp * *  Created on: 2013年10月14日 *      Author: Administrator */#include <iostream>#include <cstdio>using namespace std;int main(){double n;while(scanf("%lf",&n)!=EOF,n !=0.00){double sum = 0;int counter = 1;while(sum < n){sum += (1.0/(counter+1) );counter++;}printf("%d card(s)\n",counter-1);}return 0;}