Question

How to pick a random element from an array in C

Answer 1

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main(void) {
	int arr[] = { 4, 9, 11, 96, 13, 0, 3, 99, 80, 6 };

	int size = sizeof(arr) / sizeof(arr[0]);

	srand((unsigned int)time(NULL));

	int num = arr[rand() % (size - 1)];

	printf("%d", num);

	return 0;
}



/*
run:
  
96
  
*/

 

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