Submission #122022

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Source Code Expand

#include <iostream>
#include <string>
#include <cmath>
#include <cstdio>
#include <algorithm>
#include <vector>
using namespace std;

int main(int argc, char const* argv[])
{
	int x;
	cin >> x;
	double res = 0;
	for (int i = 0; i < x; i++) {
		res += ((double)i + 1) * 10000 / x;
	}
	cout << res << endl;
	return 0;
}

Submission Info

Judge Result