1003
简单计算题
#include <iostream>
#include <cmath>
using namespace std;
int main()
{
double len;
while (cin >> len) {
if (len == 0.00) break;
int i = 2;
double re = 0.0;
while (re < len) {
re += 1.0/i;
i++;
}
cout << (i-2) << " card(s)" << endl;
}
system("pause");
return 0;
}


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