LeetCode 28xx
LeetCode problems 2800–2899
LeetCode 28xx
| # | Problem | Difficulty | Time | Notes |
|---|---|---|---|---|
| 2800 | Shortest String That Contains Three Strings | 🟡 Medium | 58s | The problem asks us to construct a string that contains three given… |
| 2801 | Count Stepping Numbers in Range | 🔴 Hard | 1m 39s | The problem asks us to count how many integers in the inclusive ran… |
| 2802 | Find The K-th Lucky Number | 🟡 Medium | 42s | This problem asks us to find the k-th lucky number, where a lucky n… |
| 2803 | Factorial Generator | 🟢 Easy | 1m 4s | This problem asks us to implement a generator that produces the fac… |
| 2804 | Array Prototype ForEach | 🟢 Easy | 58s | This problem asks us to implement a custom version of the forEach m… |
| 2805 | Custom Interval | 🟡 Medium | 1m 12s | This problem asks us to implement a custom version of setInterval, … |
| 2806 | Account Balance After Rounded Purchase | 🟢 Easy | 1m 6s | The problem is asking us to simulate a simple bank account deductio… |
| 2807 | Insert Greatest Common Divisors in Linked List | 🟡 Medium | 1m 15s | This problem gives us the head of a singly linked list where every … |
| 2808 | Minimum Seconds to Equalize a Circular Array | 🟡 Medium | 1m 11s | The problem gives a circular array nums of length n. At each second… |
| 2809 | Minimum Time to Make Array Sum At Most x | 🔴 Hard | 56s | The problem provides two integer arrays nums1 and nums2 of equal le… |
| 2810 | Faulty Keyboard | 🟢 Easy | 1m 10s | In this problem, we are given a string s that represents characters… |
| 2811 | Check if it is Possible to Split Array | 🟡 Medium | 44s | The problem asks whether it is possible to split an input array num… |
| 2812 | Find the Safest Path in a Grid | 🟡 Medium | 1m 27s | This problem asks us to find a path from the top-left corner (0,0) … |
| 2813 | Maximum Elegance of a K-Length Subsequence | 🔴 Hard | 57s | The problem presents a 0-indexed 2D array items of length n, where … |
| 2814 | Minimum Time Takes to Reach Destination Without Drowning | 🔴 Hard | 1m 33s | This problem takes place on a two-dimensional grid where each cell … |
| 2815 | Max Pair Sum in an Array | 🟢 Easy | 1m 10s | The problem gives us an array of integers nums. For every number, w… |
| 2816 | Double a Number Represented as a Linked List | 🟡 Medium | 56s | This problem asks us to double a number represented as a singly lin… |
| 2817 | Minimum Absolute Difference Between Elements With Constraint | 🟡 Medium | 1m 32s | We are given an integer array nums and an integer x. We need to fin… |
| 2818 | Apply Operations to Maximize Score | 🔴 Hard | 1m 38s | The problem gives us an array nums and an integer k. We begin with … |
| 2819 | Minimum Relative Loss After Buying Chocolates | 🔴 Hard | 1m 50s | We are given an array prices, where each value represents the price… |
| 2820 | Election Results | 🟡 Medium | 1m 52s | The Votes table records every voter-candidate selection. A voter ma… |
| 2821 | Delay the Resolution of Each Promise | 🟡 Medium | 1m 17s | The problem asks us to take an array of functions, each returning a… |
| 2822 | Inversion of Object | 🟢 Easy | 1m 23s | This problem asks us to invert the relationship between keys and va… |
| 2823 | Deep Object Filter | 🟡 Medium | 1m 31s | This problem asks us to recursively filter a JSON-like structure th… |
| 2824 | Count Pairs Whose Sum is Less than Target | 🟢 Easy | 1m 7s | This problem asks us to count the number of unique pairs of indices… |
| 2825 | Make String a Subsequence Using Cyclic Increments | 🟡 Medium | 1m 20s | The problem gives us two lowercase strings, str1 and str2. We are a… |
| 2826 | Sorting Three Groups | 🟡 Medium | 1m 11s | We are given an array nums where every element is either 1, 2, or 3… |
| 2827 | Number of Beautiful Integers in the Range | 🔴 Hard | 1m 29s | The problem asks us to count how many integers within the inclusive… |
| 2828 | Check if a String Is an Acronym of Words | 🟢 Easy | 1m 26s | This problem asks us to determine whether a given string s is exact… |
| 2829 | Determine the Minimum Sum of a k-avoiding Array | 🟡 Medium | 4m 5s | The problem asks us to construct an array of n distinct positive in… |
| 2830 | Maximize the Profit as the Salesman | 🟡 Medium | 1m 38s | This problem gives us n houses arranged on a number line and a coll… |
| 2831 | Find the Longest Equal Subarray | 🟡 Medium | 1m 5s | The problem asks us to find the longest contiguous subarray where a… |
| 2832 | Maximal Range That Each Element Is Maximum in It | 🟡 Medium | 1m 11s | We are given an array nums consisting of distinct integers. For eve… |
| 2833 | Furthest Point From Origin | 🟢 Easy | 1m | This problem asks us to determine the maximum possible distance fro… |
| 2834 | Find the Minimum Possible Sum of a Beautiful Array | 🟡 Medium | 1m 12s | We are given two positive integers, n and target. We need to constr… |
| 2835 | Minimum Operations to Form Subsequence With Target Sum | 🔴 Hard | 1m 8s | The problem presents a 0-indexed array nums of non-negative powers … |
| 2836 | Maximize Value of Function in a Ball Passing Game | 🔴 Hard | 55s | This problem presents a ball-passing game among n players, represen… |
| 2837 | Total Traveled Distance | 🟢 Easy | 50s | The problem requires calculating the total distance traveled by eac… |
| 2838 | Maximum Coins Heroes Can Collect | 🟡 Medium | 1m 18s | This problem gives us three arrays: - heroes, where heroes[i] repre… |
| 2839 | Check if Strings Can be Made Equal With Operations I | 🟢 Easy | 2m 24s | The problem gives us two strings, s1 and s2, each containing exactl… |
| 2840 | Check if Strings Can be Made Equal With Operations II | 🟡 Medium | 1m 2s | The problem asks us to determine whether two strings s1 and s2 of e… |
| 2841 | Maximum Sum of Almost Unique Subarray | 🟡 Medium | 1m 17s | The problem gives us an integer array nums and two integers, m and … |
| 2842 | Count K-Subsequences of a String With Maximum Beauty | 🔴 Hard | 1m 2s | The problem requires us to count k-subsequences of a string s that … |
| 2843 | Count Symmetric Integers | 🟢 Easy | 48s | The problem asks us to count symmetric integers within a given rang… |
| 2844 | Minimum Operations to Make a Special Number | 🟡 Medium | 1m 7s | The problem asks us to transform a string num representing a non-ne… |
| 2845 | Count of Interesting Subarrays | 🟡 Medium | 1m 3s | The problem is asking us to count the number of interesting subarra… |
| 2846 | Minimum Edge Weight Equilibrium Queries in a Tree | 🔴 Hard | 1m 36s | You are given an undirected weighted tree with n nodes. Since the g… |
| 2847 | Smallest Number With Given Digit Product | 🟡 Medium | 1m 18s | The problem gives us a positive integer n and asks us to construct … |
| 2848 | Points That Intersect With Cars | 🟢 Easy | 1m 5s | The problem asks us to determine how many integer points on a numbe… |
| 2849 | Determine if a Cell Is Reachable at a Given Time | 🟡 Medium | 1m 10s | This problem asks whether it is possible to reach a specific target… |
| 2850 | Minimum Moves to Spread Stones Over Grid | 🟡 Medium | 53s | This problem asks us to take a 3x3 grid of integers representing st… |
| 2851 | String Transformation | 🔴 Hard | 56s | The problem asks us to transform a string s into a target string t … |
| 2852 | Sum of Remoteness of All Cells | 🟡 Medium | 1m 12s | We are given an n × n grid where each cell is either: - A positive … |
| 2853 | Highest Salaries Difference | 🟢 Easy | 2m 59s | The problem provides a database table named Salaries with three col… |
| 2854 | Rolling Average Steps | 🟡 Medium | 1m 22s | This problem asks us to compute a 3-day rolling average of daily st… |
| 2855 | Minimum Right Shifts to Sort the Array | 🟢 Easy | 54s | The problem gives us a 0-indexed array nums of length n containing … |
| 2856 | Minimum Array Length After Pair Removals | 🟡 Medium | 1m 8s | This problem gives us a sorted integer array nums in non-decreasing… |
| 2857 | Count Pairs of Points With Distance k | 🟡 Medium | 1m 15s | We are given a list of 2D points, where each point is represented a… |
| 2858 | Minimum Edge Reversals So Every Node Is Reachable | 🔴 Hard | 1m 34s | This problem gives us a directed graph with n nodes and exactly n -… |
| 2859 | Sum of Values at Indices With K Set Bits | 🟢 Easy | 58s | The problem asks us to compute the sum of elements in an array, but… |
| 2860 | Happy Students | 🟡 Medium | 59s | The problem asks us to determine the number of ways to select a sub… |
| 2861 | Maximum Number of Alloys | 🟡 Medium | 2m 27s | This guide will be quite long because you requested a comprehensive… |
| 2862 | Maximum Element-Sum of a Complete Subset of Indices | 🔴 Hard | 1m 15s | The array nums is 1-indexed, meaning the first element corresponds … |
| 2863 | Maximum Length of Semi-Decreasing Subarrays | 🟡 Medium | 2m 20s | The problem gives us an integer array nums and asks for the length … |
| 2864 | Maximum Odd Binary Number | 🟢 Easy | 1m 7s | The problem gives us a binary string s, containing only '0' and '1'… |
| 2865 | Beautiful Towers I | 🟡 Medium | 1m 2s | The problem asks us to transform an array of tower heights into a m… |
| 2866 | Beautiful Towers II | 🟡 Medium | 1m 4s | The problem asks us to build a series of towers along a coordinate … |
| 2867 | Count Valid Paths in a Tree | 🔴 Hard | 2m 26s | That is a long, structured reference document with multiple require… |
| 2868 | The Wording Game | 🔴 Hard | 57s | The problem describes a turn-based game between Alice and Bob, wher… |
| 2869 | Minimum Operations to Collect Elements | 🟢 Easy | 1m 5s | This problem gives us an array nums and an integer k. We repeatedly… |
| 2870 | Minimum Number of Operations to Make Array Empty | 🟡 Medium | 1m 5s | The problem gives us an array nums containing positive integers. In… |
| 2871 | Split Array Into Maximum Number of Subarrays | 🟡 Medium | 57s | The problem is asking us to split a given array of non-negative int… |
| 2872 | Maximum Number of K-Divisible Components | 🔴 Hard | 53s | This problem is asking us to split a given undirected tree into as … |
| 2873 | Maximum Value of an Ordered Triplet I | 🟢 Easy | 1m 41s | You are given an integer array nums and must choose three indices (… |
| 2874 | Maximum Value of an Ordered Triplet II | 🟡 Medium | 1m 21s | The problem gives us a 0-indexed integer array nums and asks us to … |
| 2875 | Minimum Size Subarray in Infinite Array | 🟡 Medium | 1m 17s | This problem gives us a finite array nums, but asks us to imagine a… |
| 2876 | Count Visited Nodes in a Directed Graph | 🔴 Hard | 47s | The problem presents a directed graph with n nodes, where each node… |
| 2877 | Create a DataFrame from List | 🟢 Easy | 1m | This problem asks us to create a Pandas DataFrame from a given two … |
| 2878 | Get the Size of a DataFrame | 🟢 Easy | 55s | The problem asks us to determine the size of a DataFrame named play… |
| 2879 | Display the First Three Rows | 🟢 Easy | 50s | The problem requires displaying the first three rows of a given Dat… |
| 2880 | Select Data | 🟢 Easy | 1m 4s | This problem provides a pandas DataFrame named students with three … |
| 2881 | Create a New Column | 🟢 Easy | 45s | The problem is asking us to modify a given DataFrame named employee… |
| 2882 | Drop Duplicate Rows | 🟢 Easy | 54s | The problem asks us to process a DataFrame representing customers a… |
| 2883 | Drop Missing Data | 🟢 Easy | 1m | This problem provides a pandas DataFrame named students with three … |
| 2884 | Modify Columns | 🟢 Easy | 55s | The problem provides a Pandas DataFrame named employees with two co… |
| 2885 | Rename Columns | 🟢 Easy | 1m 3s | This problem asks us to rename the column names of a Pandas DataFra… |
| 2886 | Change Data Type | 🟢 Easy | 58s | This problem provides a Pandas DataFrame named students with four c… |
| 2887 | Fill Missing Data | 🟢 Easy | 56s | The problem provides a Pandas DataFrame named products with three c… |
| 2888 | Reshape Data: Concatenate | 🟢 Easy | 49s | The problem is asking us to vertically concatenate two DataFrames i… |
| 2889 | Reshape Data: Pivot | 🟢 Easy | 1m 2s | This problem gives us a Pandas DataFrame named weather with three c… |
| 2890 | Reshape Data: Melt | 🟢 Easy | 49s | This problem asks us to reshape a dataset from a wide format to a l… |
| 2891 | Method Chaining | 🟢 Easy | 1m 1s | This problem provides a Pandas DataFrame named animals with four co… |
| 2892 | Minimizing Array After Replacing Pairs With Their Product | 🟡 Medium | 1m 6s | The problem gives us an integer array nums and a value k. We are al… |
| 2893 | Calculate Orders Within Each Interval | 🟡 Medium | 47s | The problem asks us to process an Orders table where each row conta… |
| 2894 | Divisible and Non-divisible Sums Difference | 🟢 Easy | 1m 2s | This problem gives us two positive integers, n and m. We need to ex… |
| 2895 | Minimum Processing Time | 🟡 Medium | 1m 11s | This problem gives us two arrays: - processorTime, where each value… |
| 2896 | Apply Operations to Make Two Strings Equal | 🟡 Medium | 1m 15s | We are given two binary strings, s1 and s2, of the same length n, a… |
| 2897 | Apply Operations on Array to Maximize Sum of Squares | 🔴 Hard | 59s | The problem presents an integer array nums and a positive integer k… |
| 2898 | Maximum Linear Stock Score | 🟡 Medium | 1m 7s | We are given a 1-indexed array prices, where prices[i] represents t… |
| 2899 | Last Visited Integers | 🟢 Easy | 1m 4s | The problem gives us an integer array nums that contains either pos… |