View Code of Problem 74

#include <stdio.h>
#include <math.h>
int main(){
  float x,x1,x2;
  scanf("%f",&x);
  x1=x/2;
  x2=(x1+x/x1)/2;
  while(fabs(x1-x2)>1e-5){
    x1=x2;
    x2=(x1+x/x1)/2;
  }
  printf("%.3f\n",x2);
  return 0;
}