Answer to Question #316450 in C++ for chin

Question

You've learned in the past lessons on how to use square root functions, right? Then let's take your knowledge to the test. Print out the square root of a given integer with only two decimal places.

Ready, solve, and go!

Input

A line containing an integer.

4

Output

A line containing a decimal with two decimal places.

2.00

Answer 1

#include <iostream>
#include <iomanip>
#include <math.h>
using namespace std;


int main(void){
	int n;
	cin>>n;


	double sqrtn=sqrt(n*1.0);


	cout<<fixed<<setprecision(2)<<sqrtn<<"\n\n";


	
	system("pause");
	return 0;
}