// Program that uses an array of pointers to have each index reference
// another index. Program finds the path taken from a starting index.
//
// Written by YOUR-NAME (YOUR-ZID), DD-MM-YYYY
//

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

#define MAX_SIZE 10

void print_pointer_path(
    int *pointers[MAX_SIZE],
    int indices[MAX_SIZE],
    int start
);

// DO NOT CHANGE THIS MAIN FUNCTION
int main(void) {
    int *pointers[MAX_SIZE];
    int indices[MAX_SIZE];

    int index;
    printf("Please enter which indices the pointer array will reference:\n");
    int count = 0;
    while (count < MAX_SIZE && scanf("%d", &index) == 1) {
        pointers[count] = &indices[index];
        count++;
    }
    
    printf("Please enter which indices the index array will reference:\n");
    count = 0;
    while (count < MAX_SIZE && scanf("%d", &index) == 1) {
        indices[count] = index;
        count++;
    }
    
    int start;
    printf("What index will the path start at? ");
    scanf("%d", &start);

    print_pointer_path(pointers, indices, start);
}

// Prints the index-path from the given `start` index. Starts in the `pointers`
// array and bounces between pointers->indices->pointers->indices...
void print_pointer_path(
    int *pointers[MAX_SIZE],
    int indices[MAX_SIZE],
    int start
) {
    // TODO: Complete this function
}