View Code of Problem 74

#include<stdio.h>
#include<math.h>
int main(){
	int a;
	scanf("%d",&a);
	float x1;
	float x2;
	x1=1.0;
	x2=(x1+a/x1)/2.0;
	while(fabs(x1-x2)>=1e-5){
		x1=x2;
		x2=(x1+a/x1)/2.0;
	}
	printf("%.3f",x2);
	return 0;
}