Timus 1001

gistfile1.txt

#include <iostream>
#include <math.h>
#include <stack>
#include <iomanip>
#include <stdio.h>
using namespace std;
typedef unsigned long long llu;

int main(){
 //    freopen("in.txt","r",stdin);
 //    freopen("out.txt","w",stdout);
	llu x;
	stack<llu> xs;

	while (scanf("%llu", &x) != -1) {
		xs.push(x);
	}

	while (!xs.empty()){
		printf("%.4f\n", sqrt(xs.top()));
   		xs.pop();
  	}
	return 0;
}