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/**
 * @param {string[]} strs
 * @return {number}
 */
var minDeletionSize = function(strs) {
    const n = strs.length;        // number of rows
    const m = strs[0].length;     // number of columns (all strings same length)

    // dp[i] = length of the longest valid chain ending at column i
    const dp = Array(m).fill(1);

tatsuyax25

/**
 * @param {string[]} strs
 * @return {number}
 */
var minDeletionSize = function(strs) {
    const n = strs.length;
    const m = strs[0].length;

    // sorted[i] = true means strs[i] < strs[i+1] is already determined
    const sorted = Array(n - 1).fill(false);

tatsuyax25

/**
 * @param {string[]} strs
 * @return {number}
 */
var minDeletionSize = function(strs) {
    // Number of rows (strings)
    const n = strs.length;
    // Number of columns (length of each string)
    const m = strs[0].length;

tatsuyax25

/**
 * @param {number} n
 * @param {number[][]} meetings
 * @param {number} firstPerson
 * @return {number[]}
 */
// Function to find all people connected to the first person
var findAllPeople = function(n, meetings, firstPerson) {
    // Initialize an array to keep track of connections
    const connected = new Array(n).fill(-1);

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/**
 * Calculates the maximum profit achievable by applying a strategy
 * and replacing a window of size `k` with a new profit calculation.
 *
 * @param {number[]} prices - Array of prices over time.
 * @param {number[]} strategy - Strategy multipliers applied to each price.
 * @param {number} k - Size of the window to adjust.
 * @returns {number} Maximum profit achievable.
 */
var maxProfit = function(prices, strategy, k) {

tatsuyax25

/**
 * @param {number[]} prices
 * @param {number} k
 * @return {number}
 */
var maximumProfit = function(prices, k) {
    // Edge cases
    const n = prices.length;
    if (n === 0 || k === 0) return 0;

tatsuyax25

/**
 * @param {number} n
 * @param {number[]} present
 * @param {number[]} future
 * @param {number[][]} hierarchy
 * @param {number} budget
 * @return {number}
 */
var maxProfit = function(n, present, future, hierarchy, budget) {
  const employeeCount = n;

tatsuyax25

/**
 * @param {number[]} prices
 * @return {number}
 */
var getDescentPeriods = function(prices) {
    let total = 0;        // total number of descent periods
    let streak = 0;       // length of current descent streak

    for (let i = 0; i < prices.length; i++) {
        if (i > 0 && prices[i] === prices[i - 1] - 1) {

tatsuyax25

/**
 * Calculates the number of ways to divide a corridor into valid sections.
 * Each section must contain exactly two 'S' (seats).
 * 'P' (plants) between pairs of seats determine possible partitions.
 *
 * @param {string} corridor - A string consisting of 'S' (seats) and 'P' (plants).
 * @return {number} - The number of valid ways to divide the corridor.
 */
var numberOfWays = function(corridor) {
    const MOD = 1e9 + 7;  // Large prime modulus to prevent overflow

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/**
 * @param {string[]} code
 * @param {string[]} businessLine
 * @param {boolean[]} isActive
 * @return {string[]}
 */
var validateCoupons = function(code, businessLine, isActive) {
    // Guard: ensure arrays exist and have equal length
    if (!Array.isArray(code) || !Array.isArray(businessLine) || !Array.isArray(isActive)) return [];
    const n = Math.min(code.length, businessLine.length, isActive.length);