#include <stdio.h>
#include <stdlib.h>
#include <time.h>
int main(void) {
int arr[] = { 1, 12, 7, 26, 15, 21, 98 };
int size = sizeof(arr) / sizeof(arr[0]);
srand(time(NULL));
printf("%d ", arr[(rand() % size)]); // random from 0 to size
return 0;
}
/*
run:
21
*/