#include <stdio.h>

int A[4] = { 10, 20, 30, 40 };

void print_with_index(const int A[], int size) {
    for(int i = 0; i < size; ++i)
	printf("%d\n", A[i]);
}

void print_with_pointer(const int A[], int size) {
    for(const int * p = A; p != A + size; ++p)
	printf("%d\n", *p);
}

void print_with_two_pointers(const int * begin, const int * end) {
    while(begin != end)
	printf("%d\n", *begin++);
}

int main(int argc, const char * argv[]) {

    print_with_index(A, 4);
    printf("\n");
    print_with_pointer(A, 4);
    printf("\n");
    print_with_two_pointers(A, A + 4);

    return 0;

}