arrays.c

#include <stdio.h>
/*
    compiles with 'gcc -Wall' with no errors or warnings.
*/
int main() {
    // vars
    int a[10];
    int i = 0;
    long long L = 0;

    //populate array
    for (; i < 10; i ++) {
        a[i] = i;
    }

    // sizes
    printf("sizeof(int)       = %d\n", sizeof(int));
    printf("sizeof(long long) = %d\n", sizeof(long long));
    printf("sizeof(int*)      = %d\n", sizeof(int*));

    printf("\n");

    //indexing
    printf("a[5]   = %d\n", a[5]);
    printf("5[a]   = %d\n", 5[a]);
    printf("a[5LL] = %d\n", a[5LL]);
    printf("5LL[a] = %d\n", 5LL[a]);

    printf("\n");

    printf("i = %d \nL = %d\n", i = 5, (int)(L = 5));
    printf("a[i] = %d\n", a[i]);
    printf("i[a] = %d\n", i[a]);
    printf("a[L] = %d\n", a[L]);
    printf("L[a] = %d\n", L[a]);

    return 0;
}