#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>

void print_square(int n) {
    printf("n² is %d\n", n * n);
}

void print_cube(int n) {
    printf("n³ is %d\n", n * n * n);
}

int main(int argc, char* argv[]) {
    void (*print_fn)(int);
    print_fn = print_square;      // no parentheses
    (*print_fn)(7);  // arcane OLD way ... don't do this in your homework

    print_fn = print_cube;
    (*print_fn)(7);  // arcane OLD way ... don't do this in your homework

    return EXIT_SUCCESS;
}
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