1#include <stdio.h>
2 
3void doubleArray(int arr[], int size) {
4    for (int i = 0; i < size; i++) {
5        arr[i] *= 2;
6    }
7}
8 
9int main() {
10    int nums[] = {1, 2, 3};
11    doubleArray(nums, 3);
12    for (int i = 0; i < 3; i++) {
13        printf("%d ", nums[i]);
14    }
15    printf("\n");
16    return 0;
17}