#include<stdio.h>
#include<stdlib.h>
#include<math.h>
#include<time.h>
#define SEED time(NULL)
 
int main(void) {
 srand(SEED);
 int i, iter, count=0;
 double x, y, z, pi;
 printf("Enter numbers of interation: \n");
 scanf("%d",&iter);
 for(i=0;i<iter;i++) {
   x=(double)rand()/RAND_MAX;
   y=(double)rand()/RAND_MAX;
   z=sqrt(x*x+y*y);
   if(z<=1)
     count++;
    }
    pi=(double)count/iter*4;
    printf("Approximate value of PI is %0.4lf",pi);
    return 0;
 
 
}

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