1045.cpp

来自「浙大acm在线评判系统zju online judge上面的题目解答源码（1）」· C++ 代码 · 共 39 行

#include <iostream.h>
//#include <fstream.h>
//#include  <iomanip.h>

int f(double a)
{
    double k=0.5;
	int n=3;
		while(k<a)
		{ k=k+1.0/n;
             n++;

		}
return n;
}


int main()
{
//	ifstream infile;
//	ofstream outfile;
		
	double c;
     

	 
	 
//	// infile.open("in.txt");
//	outfile.open("out.txt");

        while(cin>>c)
    if(c!=0.00)
    	cout<<f(c)-2<<" card(s)"<<endl;
	else break;
	
//	infile.close();
	//	outfile.close();
		return 0;
}