1503.js

/** ------------------------------------------------------------------------------
 * 
 * 2023-11-04
 * 1503. Last Moment Before All Ants Fall Out of a Plank
 * https://leetcode.com/problems/last-moment-before-all-ants-fall-out-of-a-plank/description/
 * 
 ------------------------------------------------------------------------------ */
/**
 * @param {number} n
 * @param {number[]} left
 * @param {number[]} right
 * @return {number}
 */
var getLastMoment = function (n, left, right) {
  left.sort((a, b) => a - b);
  right.sort((a, b) => a - b);

  if (left.length === 0) {
    return n - right[0];
  }

  if (right.length === 0) {
    return left[left.length - 1];
  }

  return Math.max(left[left.length - 1], n - right[0]);
};

console.log(getLastMoment(4, [4, 3], [0, 1]));