foo.cpp

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

int length = 5;
int test_array[] = {21,14,35,63,28};

int main(int argc, char* argv[])
{
	for (int i = 0; i < length; i++)
	{
		printf("%d: %d\n", i, test_array[i]);
	}
	return 0;
}

On linux:

$ gcc -o foo foo.cpp && ./foo
0: 21
1: 14
2: 35
3: 63
4: 28