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ExerciseHub/Luogu/P1035.cpp
2025-08-13 21:38:49 +08:00

17 lines
375 B
C++

#include <iostream>
using namespace std;
int main()
{
double sum; // Use double for sum to handle fractions
int n, k;
cin >> k;
n = 1;
sum = 0.0;
while (sum <= k)
{
sum = sum + 1.0 / n; // Use 1.0 to ensure floating-point division
n++;
}
cout << n - 1 << endl; // n is incremented one extra time in the loop
return 0;
}