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/**
 * @param {string[]} bank
 * @return {number}
 */
// Function to calculate the total number of laser beams between security devices
var numberOfBeams = function(bank) {
    // Array to store the count of devices (i.e., '1's) in each non-empty row
    let arr = [];

    // Variable to accumulate the total number of beams

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/**
 * Bank constructor initializes the bank with account balances.
 * @param {number[]} balance - Array of initial balances for each account (1-indexed).
 */
var Bank = function(balance) {
  // Create an array of accounts with an extra slot at index 0 (unused).
  // This allows 1-based indexing for accounts.
  this.accounts = Array.from({ length: balance.length + 1 }, (_, i) => balance[i - 1] ?? 0);
  
  // Store the total number of accounts including the unused 0th index.

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/**
 * @param {number} n
 * @return {number}
 */
// Function to claculate the total amount of money saved over 'n' days
var totalMoney = function(n) {
    let total = 0; // Initialize total money saved
    let weekDay = 1; // Start from the first day of the week
    let weekNumber = 1; // Start from the first week

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/**
 * Finds the next "beautiful" number greater than the given input.
 * A beautiful number is defined as one where each digit appears exactly as many times as its value.
 * For example, 22 is beautiful because digit 2 appears twice.
 *
 * @param {number} n - The input number.
 * @return {number} - The next beautiful number greater than n.
 */
var nextBeautifulNumber = function(n) {
    // Precomputed list of beautiful numbers in ascending order.

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/**
 * @param {string} s
 * @return {boolean}
 */
var hasSameDigits = function(s) {
    // Convert the input string into an array of digits (as numbers)
    let digits = s.split('').map(Number);

    // Repeat the transformation until only two digits remain
    while (digits.length > 2) {

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/**
 * @param {number[]} nums
 * @param {number} k
 * @param {number} numOperations
 * @return {number}
 */
var maxFrequency = function (nums, k, numOperations) {
    // Sort the array to enable binary search and range grouping
    nums.sort((a, b) => a - b);

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/**
 * @param {number[]} nums - The input array of integers
 * @param {number} k - The maximum value that can be added/subtracted in one operation
 * @param {number} numOperations - The total number of operations allowed
 * @return {number} - The maximum frequency of any element after operations
 */
var maxFrequency = function(nums, k, numOperations) {
    const n = nums.length;

    // Sort the array to enable binary search and range grouping

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/**
 * @param {string[]} operations
 * @return {number}
 */
var finalValueAfterOperations = function(operations) {
    // Step 1: Initialize the variable X to 0
    let X = 0;

    // Step 2: Loop through each operation in the array
    for (let i = 0; i < operations.length; i++) {

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/**
 * @param {string} s
 * @param {number} a
 * @param {number} b
 * @return {string}
 */
var findLexSmallestString = function(s, a, b) {
    // Set to keep track of visited strings to avoid revisiting the same state
    const visited = new Set();

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/**
 * Calculates the maximum number of partitions after performing operations
 * that allow up to `k` distinct characters per partition.
 *
 * @param {string} s - Input string consisting of lowercase letters.
 * @param {number} k - Maximum number of distinct characters allowed per partition.
 * @return {number} - Maximum number of partitions achievable.
 */
var maxPartitionsAfterOperations = function(s, k) {
    const n = s.length;