View Code of Problem 74

#include<iostream>
#include<vector>
#include<algorithm>
#include<string>
#include<climits>
#include<cmath>
#include<unordered_map>
#include<set>

using namespace std;


int main()
{
	double x;

	while (cin >> x) {

		double res = sqrt(x);

		printf("%.3lf\n", res);
	}
}