View Code of Problem 74

#include<stdio.h>
#include<string.h>
#include<math.h>
int main(){
    double x1,x2,a;
    x1=1;
    scanf("%lf",&a);
    do{
        x2=x1;
        x1=(x2+a/x2)/2;
    }while(fabs(x2-x1)>=0.00001);
    printf("%.3lf",x1);
    return 0;

}