palindromo.c

#include <stdio.h>

int palindromo(int array[], int length) {
    int i;
    for (i = 0; i < length / 2; i++) {
        if (array[i] != array[length-1-i])
            return 0;
    }
    return 1;
}

main() {
    int test[] = {2, 1, 0, 1, 2};
    printf("%d\n", palindromo(test, 5));
}