1003.cpp

北大ACM题库中的部分已AC题目源码（1001

#include<iostream>
using namespace std;

int main()
{
	int i;
	float fNum,fSum;
	cin>>fNum;
	while(fNum!=0.0)
	{
		fSum=0;
		for(i=2;i<300;i++)
		{
			fSum=fSum+1.0/i;
			if(fSum>=fNum)
				break;
		}
		cout<<i-1<<" card(s)"<<endl;
		cin>>fNum;
	}
	return 0;
}