#include <stdio.h>


int main(void) {
	int myarray[] = {1,2,3,4,5,6,7,8,9};
	int length = 9;
	int temp = 0;
	
	for (int i = 0; i < (length / 2); i++){
		temp = myarray[i];
		myarray[i] = myarray[length -i -1];
		myarray[length -i -1] = temp;
	}
	
	for (int i = 0; i < length; i++)
	printf("myarray[%d] = %d\n",
				i, myarray[i]);
	return 0;
}