View Code of Problem 74

#include<iostream>
#include<algorithm>
#include<math.h>
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<cstring>
#include<string>
using namespace std;
int main() {
    double n;
    cin>>n;
	printf("%.3lf",sqrt(n));
	return 0;
}