/*
 * Copyright ©2022 Hannah C. Tang.  All rights reserved.  Permission is
 * hereby granted to students registered for University of Washington
 * CSE 333 for use solely during Spring Quarter 2022 for purposes of
 * the course.  No other use, copying, distribution, or modification
 * is permitted without prior written consent. Copyrights for
 * third-party components of this work must be honored.  Instructors
 * interested in reusing these course materials should contact the
 * author.
 */
#include <stdbool.h>  // true/false
#include <stdio.h>    // printf, scanf
#include <stdlib.h>   // exit(), exit codes

#include "fib.h"

int main(int argc, char **argv) {
  int n = 0, scanf_retval = 0;

  while (true) {
    printf("Which Fibonacci number would you like? ");
    scanf_retval = scanf("%d", &n);
    if (scanf_retval < 1 || n <= 0) {
      break;
    } else {
      printf("The %dth Fibonacci is %ld.\n\n", n, fib(n));
    }
  }

  return EXIT_SUCCESS;
}