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模拟题意即可....ummm
AC代码:
# include<iostream>
using namespace std;
int main(void) {
double n,sum;
cin >> n;
int i;
while (n) {
double i= 2; sum = 0;
while (sum < n) {
sum += 1 / (i++);
}
cout << i -2<<" card(s)"<< endl;
cin >> n;
}
system("pause");
return 0;
}