reverse_array.c

reverse_array.c

#include <stdio.h>


void
reverse(int *src, int length)
{
	if (length < 2)
		return;

	int tmp = src[0];
	src[0] = src[length - 1];
	src[length - 1] = tmp;

	reverse(&src[1], length - 2);
}


int
main(int argc, char *argv[])
{
	int i = 0;
	int length = 100;
	int array[length];

	for (i = 0; i < length; i++)
		array[i] = i + 1;

	reverse((int*)&array, length);

	for (i = 0; i < length; i++)
		printf("%d\n", array[i]);

	return 0;
}