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/**
 * Function to calculate the maximum points that can be earned
 * by answering questions strategically.
 * @param {number[][]} questions - Array of questions, where each question is represented as [points, brainpower].
 * @return {number} - The maximum points that can be achieved.
 */
var mostPoints = function(questions) {
    const n = questions.length;
    
    // Memoization array to store results of subproblems

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/**
 * Calculates the difference between the maximum and minimum scores
 * of distributing marbles into k bags based on given rules.
 *
 * @param {number[]} weights - Array representing the weights of marbles.
 * @param {number} k - Number of bags to divide the marbles into.
 * @return {number} - Difference between the maximum and minimum scores.
 */
var putMarbles = function(weights, k) {
    // If there's only one bag, no need to calculate; the difference is 0.

tatsuyax25

// Function to get the index of a character in the alphabet (0 for 'a', 1 for 'b', etc.)
const getIndexCharacter = (c) => {
    return c.charCodeAt(0) - 'a'.charCodeAt(0);
}

/**
 * Function to partition the string into as many parts as possible
 * such that each character appears in at most one part.
 * 
 * @param {string} s - Input string

tatsuyax25

/**
 * @param {number[]} nums
 * @param {number} k
 * @return {number}
 */
// A class to handle modular arithmetic operations
class Modulo {
    constructor(modulo) {
        this.modulo = modulo; // The modulus for all operations
        this._phi = modulo - 1; // Euler's totient function for primes (modulo is prime)

tatsuyax25

/**
 * @param {number[][]} grid
 * @param {number[]} queries
 * @return {number[]}
 */
// Main function to compute maximum points for each query
var maxPoints = function(grid, queries) {
  let m = grid.length, n = grid[0].length;

  // Store all grid cells as coordinates with their values

tatsuyax25

/**
 * Finds the minimum index to split the array such that both subarrays
 * have the same dominant element.
 * 
 * @param {number[]} nums - The input array of integers.
 * @return {number} - The minimum index of a valid split, or -1 if no valid split exists.
 */
var minimumIndex = function(nums) {
    const n = nums.length;

tatsuyax25

/**
 * This function calculates the minimum number of operations needed 
 * to transform a 2D grid into a uniform grid based on a given step size.
 * If it's not possible, it returns -1.
 * 
 * @param {number[][]} grid - The input 2D grid of numbers.
 * @param {number} x - The step size for allowed operations.
 * @return {number} The minimum number of operations, or -1 if not possible.
 */
var minOperations = function(grid, x) {

tatsuyax25

/**
 * Function to check if two horizontal or two vertical cuts can divide the grid
 * into three sections, with each section containing at least one rectangle.
 * @param {number} n - The dimensions of the n x n grid (not directly used here).
 * @param {number[][]} rectangles - Array of rectangles where each rectangle is defined as [startx, starty, endx, endy].
 * @return {boolean} - Returns true if valid cuts can be made; otherwise, false.
 */
var checkValidCuts = function(n, rectangles) {
    // Arrays to store x and y intervals for each rectangle
    let x = [];

tatsuyax25

/**
 * Function to calculate the number of days an employee is free from meetings.
 * 
 * @param {number} days - Total number of days the employee is available for work.
 * @param {number[][]} meetings - Array of meeting intervals where each meeting is [start, end].
 * @returns {number} - The count of days when the employee is free from meetings.
 */
var countDays = function(days, meetings) {
    // Sort meetings by their start day to process them in chronological order
    meetings.sort((a, b) => a[0] - b[0]);

tatsuyax25

/**
 * @param {number} n - Number of intersections (nodes)
 * @param {number[][]} roads - 2D array representing roads where [a, b, time] means 
 *                             a road exists between a and b with travel time "time"
 * @return {number} - Number of ways to reach intersection (n-1) in the shortest time
 */
var countPaths = function(n, roads) {
    const MOD = 1_000_000_007; // Modular arithmetic base

    // PART ONE: Build the graph and calculate shortest distances