Function numbersInPi

recursion/numbers-in-pi.js:3–11

(pi, numbers)

// O(n^3 + m) time | O(n + m) space - where n is the number of digits in Pi and m is the number of favorite numbers

function numbersInPi(pi, numbers) {
  const numbersTable = {};

  for (const number of numbers) {
    numbersTable[number] = true;
  }
  const minSpaces = getMinSpaces(pi, numbersTable, {}, 0);
  return minSpaces === Infinity ? -1 : minSpaces;
}

function getMinSpaces(pi, numbersTable, cache, idx) {
  if (idx === pi.length) return -1;