10/06/24 01:42:16
>>190
#include <stdio.h>
#include <stdlib.h>
#define NN 10000
int
main(void)
{
int i, w, cnt = 0, n;
printf("input sample no(cf.1000)=");
scanf("%d", &n);
for (i = 0; i < n; i++) {
w = rand() % NN;
w *= w;
if (w < NN * NN / 2)
cnt++;
}
printf("PI neary equal = %f", (double) cnt * 2 / n);
return 0;
}