LeetCode 24xx
LeetCode problems 2400–2499
LeetCode 24xx
| # | Problem | Difficulty | Time | Notes |
|---|---|---|---|---|
| 2400 | Number of Ways to Reach a Position After Exactly k Steps | 🟡 Medium | 1m 18s | This problem asks us to count the number of distinct ways to move f… |
| 2401 | Longest Nice Subarray | 🟡 Medium | 1m 47s | The problem gives an array of positive integers and asks for the le… |
| 2402 | Meeting Rooms III | 🔴 Hard | 51s | The problem is about scheduling meetings into a fixed number of roo… |
| 2403 | Minimum Time to Kill All Monsters | 🔴 Hard | 54s | The problem is asking us to compute the minimum number of days requ… |
| 2404 | Most Frequent Even Element | 🟢 Easy | 36s | The problem asks us to identify the most frequent even number in an… |
| 2405 | Optimal Partition of String | 🟡 Medium | 59s | The problem asks us to divide a given string s into the minimum num… |
| 2406 | Divide Intervals Into Minimum Number of Groups | 🟡 Medium | 1m 8s | The problem gives us a list of inclusive intervals, where each inte… |
| 2407 | Longest Increasing Subsequence II | 🔴 Hard | 43s | The problem asks us to find the length of the longest subsequence i… |
| 2408 | Design SQL | 🟡 Medium | 1m 12s | This problem asks us to design a lightweight in memory database sys… |
| 2409 | Count Days Spent Together | 🟢 Easy | 39s | The problem asks us to calculate the number of days Alice and Bob s… |
| 2410 | Maximum Matching of Players With Trainers | 🟡 Medium | 43s | This problem requires us to maximize the number of matchings betwee… |
| 2411 | Smallest Subarrays With Maximum Bitwise OR | 🟡 Medium | 47s | The problem asks us to find, for each index in a given array nums, … |
| 2412 | Minimum Money Required Before Transactions | 🔴 Hard | 39s | The problem asks us to determine the minimum initial money required… |
| 2413 | Smallest Even Multiple | 🟢 Easy | 39s | The problem asks us to find the smallest positive integer that is a… |
| 2414 | Length of the Longest Alphabetical Continuous Substring | 🟡 Medium | 53s | The problem asks us to find the length of the longest substring in … |
| 2415 | Reverse Odd Levels of Binary Tree | 🟡 Medium | 48s | The problem asks us to reverse the values of nodes at odd levels of… |
| 2416 | Sum of Prefix Scores of Strings | 🔴 Hard | 46s | The problem is asking us to compute a special score for each string… |
| 2417 | Closest Fair Integer | 🟡 Medium | 1m 7s | In this problem, we are given a positive integer n, and we must fin… |
| 2418 | Sort the People | 🟢 Easy | 1m 2s | This problem gives us two arrays of equal length: - names[i] repres… |
| 2419 | Longest Subarray With Maximum Bitwise AND | 🟡 Medium | 43s | The problem asks us to find the length of the longest subarray with… |
| 2420 | Find All Good Indices | 🟡 Medium | 43s | The problem asks us to identify all good indices in an array nums b… |
| 2421 | Number of Good Paths | 🔴 Hard | 44s | The problem is asking us to count the number of good paths in a tre… |
| 2422 | Merge Operations to Turn Array Into a Palindrome | 🟡 Medium | 48s | The problem asks us to transform a given array of positive integers… |
| 2423 | Remove Letter To Equalize Frequency | 🟢 Easy | 39s | The problem asks us to determine if we can remove exactly one chara… |
| 2424 | Longest Uploaded Prefix | 🟡 Medium | 1m 6s | The problem asks us to design a data structure that tracks uploaded… |
| 2425 | Bitwise XOR of All Pairings | 🟡 Medium | 1m 12s | The problem gives us two arrays, nums1 and nums2, and asks us to co… |
| 2426 | Number of Pairs Satisfying Inequality | 🔴 Hard | 1m 26s | We are given two integer arrays, nums1 and nums2, of the same lengt… |
| 2427 | Number of Common Factors | 🟢 Easy | 1m 21s | The problem gives us two positive integers, a and b, and asks us to… |
| 2428 | Maximum Sum of an Hourglass | 🟡 Medium | 57s | The problem provides an m x n integer matrix grid and asks for the … |
| 2429 | Minimize XOR | 🟡 Medium | 45s | The problem is asking us to construct an integer x that satisfies t… |
| 2430 | Maximum Deletions on a String | 🔴 Hard | 1m 26s | The problem gives us a string s consisting only of lowercase Englis… |
| 2431 | Maximize Total Tastiness of Purchased Fruits | 🟡 Medium | 1m 7s | This problem asks us to maximize the total tastiness of fruits we p… |
| 2432 | The Employee That Worked on the Longest Task | 🟢 Easy | 42s | The problem asks us to identify which employee worked the task with… |
| 2433 | Find The Original Array of Prefix Xor | 🟡 Medium | 1m 55s | The problem is asking us to reverse-engineer an array arr from its … |
| 2434 | Using a Robot to Print the Lexicographically Smallest String | 🟡 Medium | 1m 19s | In this problem, we are given a string s and a robot that manages a… |
| 2435 | Paths in Matrix Whose Sum Is Divisible by K | 🔴 Hard | 49s | This problem asks us to count the number of paths in a 2D integer m… |
| 2436 | Minimum Split Into Subarrays With GCD Greater Than One | 🟡 Medium | 2m 16s | The problem requires splitting a given array of positive integers i… |
| 2437 | Number of Valid Clock Times | 🟢 Easy | 43s | The problem asks us to determine the number of valid times that can… |
| 2438 | Range Product Queries of Powers | 🟡 Medium | 1m 25s | The problem defines a special array called powers. This array is bu… |
| 2439 | Minimize Maximum of Array | 🟡 Medium | 2m 15s | The problem gives a 0-indexed array nums of non-negative integers a… |
| 2440 | Create Components With Same Value | 🔴 Hard | 42s | This problem is asking us to take an undirected tree where each nod… |
| 2441 | Largest Positive Integer That Exists With Its Negative | 🟢 Easy | 39s | The problem asks us to find the largest positive integer k in a giv… |
| 2442 | Count Number of Distinct Integers After Reverse Operations | 🟡 Medium | 50s | The problem asks us to compute the number of distinct integers in a… |
| 2443 | Sum of Number and Its Reverse | 🟡 Medium | 54s | Here’s a complete, detailed solution guide for LeetCode 2443 - Sum … |
| 2444 | Count Subarrays With Fixed Bounds | 🔴 Hard | 1m 5s | This problem asks us to count how many contiguous subarrays satisfy… |
| 2445 | Number of Nodes With Value One | 🟡 Medium | 1m 11s | The tree in this problem is not given explicitly through an edge li… |
| 2446 | Determine if Two Events Have Conflict | 🟢 Easy | 42s | The problem asks us to determine if two events on the same day over… |
| 2447 | Number of Subarrays With GCD Equal to K | 🟡 Medium | 1m 9s | The problem gives us an integer array nums and an integer k. We nee… |
| 2448 | Minimum Cost to Make Array Equal | 🔴 Hard | 1m 11s | This guide will use the weighted median optimization approach, whic… |
| 2449 | Minimum Number of Operations to Make Arrays Similar | 🔴 Hard | 1m 16s | We are given two arrays, nums and target, of equal length. In a sin… |
| 2450 | Number of Distinct Binary Strings After Applying Operations | 🟡 Medium | 1m 14s | We are given a binary string s of length n and an integer k. An ope… |
| 2451 | Odd String Difference | 🟢 Easy | 1m 10s | The problem gives us an array of strings where every string has the… |
| 2452 | Words Within Two Edits of Dictionary | 🟡 Medium | 48s | The problem asks us to identify words in the queries list that can … |
| 2453 | Destroy Sequential Targets | 🟡 Medium | 46s | The problem presents a scenario where we have a list of positive in… |
| 2454 | Next Greater Element IV | 🔴 Hard | 1m 23s | The problem asks us to compute, for every element in the array, its… |
| 2455 | Average Value of Even Numbers That Are Divisible by Three | 🟢 Easy | 45s | The problem asks us to calculate the average of all integers in an … |
| 2456 | Most Popular Video Creator | 🟡 Medium | 1m 10s | The problem gives us three parallel arrays: - creators[i] represent… |
| 2457 | Minimum Addition to Make Integer Beautiful | 🟡 Medium | 47s | The problem asks us to transform a given integer n into a beautiful… |
| 2458 | Height of Binary Tree After Subtree Removal Queries | 🔴 Hard | 1m 19s | This problem asks us to answer multiple independent queries on a bi… |
| 2459 | Sort Array by Moving Items to Empty Space | 🔴 Hard | 1m 37s | The array contains every integer from 0 to n - 1 exactly once. The … |
| 2460 | Apply Operations to an Array | 🟢 Easy | 1m 25s | This problem gives us a 0-indexed array nums containing non-negativ… |
| 2461 | Maximum Sum of Distinct Subarrays With Length K | 🟡 Medium | 1m 14s | That prompt contains two different LeetCode problems merged togethe… |
| 2462 | Total Cost to Hire K Workers | 🟡 Medium | 1m 12s | The problem asks us to simulate a process of hiring k workers from … |
| 2463 | Minimum Total Distance Traveled | 🔴 Hard | 57s | Here is a comprehensive, reference-quality solution guide for LeetC… |
| 2464 | Minimum Subarrays in a Valid Split | 🟡 Medium | 50s | The problem asks us to split an array of integers nums into contigu… |
| 2465 | Number of Distinct Averages | 🟢 Easy | 41s | The problem requires calculating the number of distinct averages ge… |
| 2466 | Count Ways To Build Good Strings | 🟡 Medium | 2m 23s | The problem asks us to count the number of "good" strings that can … |
| 2467 | Most Profitable Path in a Tree | 🟡 Medium | 37s | The problem presents a rooted tree with n nodes numbered from 0 to … |
| 2468 | Split Message Based on Limit | 🔴 Hard | 1m 18s | This problem asks us to divide a message into multiple parts while … |
| 2469 | Convert the Temperature | 🟢 Easy | 55s | The problem gives us a single floating point value named celsius, r… |
| 2470 | Number of Subarrays With LCM Equal to K | 🟡 Medium | 1m 20s | The problem gives us an integer array nums and an integer k. We mus… |
| 2471 | Minimum Number of Operations to Sort a Binary Tree by Level | 🟡 Medium | 46s | The problem asks us to determine the minimum number of swap operati… |
| 2472 | Maximum Number of Non-overlapping Palindrome Substrings | 🔴 Hard | 48s | The problem asks us to find the maximum number of non-overlapping p… |
| 2473 | Minimum Cost to Buy Apples | 🟡 Medium | 41s | The problem asks us to determine the minimum cost to buy exactly on… |
| 2474 | Customers With Strictly Increasing Purchases | 🔴 Hard | 1m 28s | The problem gives us an Orders table where each row represents a pu… |
| 2475 | Number of Unequal Triplets in Array | 🟢 Easy | 1m 15s | The problem gives us a 0-indexed integer array nums, and we must co… |
| 2476 | Closest Nodes Queries in a Binary Search Tree | 🟡 Medium | 1m 23s | The problem gives us the root of a binary search tree, abbreviated … |
| 2477 | Minimum Fuel Cost to Report to the Capital | 🟡 Medium | 1m 24s | The problem gives us a country road network that forms a tree. A tr… |
| 2478 | Number of Beautiful Partitions | 🔴 Hard | 3m 32s | The problem asks us to count the number of ways to split a given st… |
| 2479 | Maximum XOR of Two Non-Overlapping Subtrees | 🔴 Hard | 4m 15s | This problem gives us a rooted tree with n nodes, rooted at node 0.… |
| 2480 | Form a Chemical Bond | 🟢 Easy | 49s | The problem asks us to identify all valid chemical bonds that can f… |
| 2481 | Minimum Cuts to Divide a Circle | 🟢 Easy | 43s | The problem asks for the minimum number of straight cuts required t… |
| 2482 | Difference Between Ones and Zeros in Row and Column | 🟡 Medium | 1m 18s | The problem gives us a binary matrix grid with m rows and n columns… |
| 2483 | Minimum Penalty for a Shop | 🟡 Medium | 46s | The problem asks us to determine the optimal hour to close a shop t… |
| 2484 | Count Palindromic Subsequences | 🔴 Hard | 45s | The problem asks us to count all palindromic subsequences of length… |
| 2485 | Find the Pivot Integer | 🟢 Easy | 1m 10s | The problem gives us a positive integer n and asks us to find a spe… |
| 2486 | Append Characters to String to Make Subsequence | 🟡 Medium | 51s | The problem asks us to determine the minimum number of characters t… |
| 2487 | Remove Nodes From Linked List | 🟡 Medium | 1m 27s | The problem gives us the head of a singly linked list and asks us t… |
| 2488 | Count Subarrays With Median K | 🔴 Hard | 1m 45s | This problem asks us to count how many contiguous subarrays have a … |
| 2489 | Number of Substrings With Fixed Ratio | 🟡 Medium | 1m 17s | The problem gives us a binary string s, along with two coprime inte… |
| 2490 | Circular Sentence | 🟢 Easy | 40s | The problem asks us to determine whether a given sentence is circul… |
| 2491 | Divide Players Into Teams of Equal Skill | 🟡 Medium | 1m 1s | This problem asks us to divide a given list of player skill levels … |
| 2492 | Minimum Score of a Path Between Two Cities | 🟡 Medium | 1m 19s | The problem asks us to find the minimum possible score of a path be… |
| 2493 | Divide Nodes Into the Maximum Number of Groups | 🔴 Hard | 6m 43s | We are given an undirected graph with n nodes and a list of edges. … |
| 2494 | Merge Overlapping Events in the Same Hall | 🔴 Hard | 2m 19s | The problem requires us to merge overlapping events in the same hal… |
| 2495 | Number of Subarrays Having Even Product | 🟡 Medium | 1m 7s | The problem gives us an integer array nums and asks us to count how… |
| 2496 | Maximum Value of a String in an Array | 🟢 Easy | 46s | This problem asks us to compute the maximum value of strings in an … |
| 2497 | Maximum Star Sum of a Graph | 🟡 Medium | 1m 43s | The problem gives us an undirected graph where each node has an ass… |
| 2498 | Frog Jump II | 🟡 Medium | 1m 23s | The problem gives us a sorted array stones, where each value repres… |
| 2499 | Minimum Total Cost to Make Arrays Unequal | 🔴 Hard | 1m 14s | You are given two arrays, nums1 and nums2, both of length n. You ar… |