LeetCode 26xx
LeetCode problems 2600–2699
LeetCode 26xx
| # | Problem | Difficulty | Time | Notes |
|---|---|---|---|---|
| 2600 | K Items With the Maximum Sum | 🟢 Easy | 48s | The problem asks us to determine the maximum possible sum when pick… |
| 2601 | Prime Subtraction Operation | 🟡 Medium | 1m 20s | The problem gives us an integer array nums and asks whether it is p… |
| 2602 | Minimum Operations to Make All Array Elements Equal | 🟡 Medium | 1m 20s | The problem gives us an integer array nums and another array querie… |
| 2603 | Collect Coins in a Tree | 🔴 Hard | 45s | The problem is about collecting coins located on the nodes of a tre… |
| 2604 | Minimum Time to Eat All Grains | 🔴 Hard | 51s | The problem asks us to determine the minimum time needed for all he… |
| 2605 | Form Smallest Number From Two Digit Arrays | 🟢 Easy | 1m 18s | The problem gives us two arrays, nums1 and nums2, where each array … |
| 2606 | Find the Substring With Maximum Cost | 🟡 Medium | 51s | The problem asks us to find the substring of a given string s that … |
| 2607 | Make K-Subarray Sums Equal | 🟡 Medium | 47s | The problem asks us to transform a circular integer array so that e… |
| 2608 | Shortest Cycle in a Graph | 🔴 Hard | 1m 16s | The problem gives us an undirected graph with n vertices labeled fr… |
| 2609 | Find the Longest Balanced Substring of a Binary String | 🟢 Easy | 1m 11s | The problem gives us a binary string s, which means the string cont… |
| 2610 | Convert an Array Into a 2D Array With Conditions | 🟡 Medium | 50s | The problem asks us to transform a one-dimensional integer array nu… |
| 2611 | Mice and Cheese | 🟡 Medium | 1m 1s | The problem gives us two arrays, reward1 and reward2, where each in… |
| 2612 | Minimum Reverse Operations | 🔴 Hard | 48s | This will be a very large, multi-thousand-word technical guide beca… |
| 2613 | Beautiful Pairs | 🔴 Hard | 45s | The problem asks us to find a beautiful pair of indices (i, j) in t… |
| 2614 | Prime In Diagonal | 🟢 Easy | 1m 16s | The problem gives us a square matrix nums of size n x n. We need to… |
| 2615 | Sum of Distances | 🟡 Medium | 1m 28s | The problem asks us to compute, for every index i in the array nums… |
| 2616 | Minimize the Maximum Difference of Pairs | 🟡 Medium | 1m 5s | The problem asks us to select exactly p disjoint pairs from the arr… |
| 2617 | Minimum Number of Visited Cells in a Grid | 🔴 Hard | 50s | The problem asks us to determine the minimum number of cells we nee… |
| 2618 | Check if Object Instance of Class | 🟡 Medium | 50s | The problem asks us to implement a function that checks whether a g… |
| 2619 | Array Prototype Last | 🟢 Easy | 40s | The problem asks us to enhance all JavaScript arrays so that they h… |
| 2620 | Counter | 🟢 Easy | 46s | The problem is asking us to implement a simple counter function wit… |
| 2621 | Sleep | 🟢 Easy | 37s | The problem asks us to implement an asynchronous function sleep tha… |
| 2622 | Cache With Time Limit | 🟡 Medium | 1m 3s | This problem asks us to implement a cache that stores key-value pai… |
| 2623 | Memoize | 🟡 Medium | 53s | This problem asks us to create a memoized version of a function. Me… |
| 2624 | Snail Traversal | 🟡 Medium | 50s | The problem asks us to take a 1D array of integers and convert it i… |
| 2625 | Flatten Deeply Nested Array | 🟡 Medium | 1m 12s | This problem is implemented in JavaScript on LeetCode, but you requ… |
| 2626 | Array Reduce Transformation | 🟢 Easy | 40s | The problem is asking us to simulate a "reduce" operation on an arr… |
| 2627 | Debounce | 🟡 Medium | 1m 3s | This problem asks us to implement a utility function called debounc… |
| 2628 | JSON Deep Equal | 🟡 Medium | 40s | The problem asks us to determine whether two JSON values, o1 and o2… |
| 2629 | Function Composition | 🟢 Easy | 1m 7s | This problem asks us to implement function composition. We are give… |
| 2630 | Memoize II | 🔴 Hard | 47s | The problem asks us to implement a memoized version of a given func… |
| 2631 | Group By | 🟡 Medium | 37s | The problem asks us to enhance arrays such that any array can call … |
| 2632 | Curry | 🟡 Medium | 47s | The problem is asking us to implement currying for a given function… |
| 2633 | Convert Object to JSON String | 🟡 Medium | 1m 38s | The problem asks us to manually implement the behavior of JavaScrip… |
| 2634 | Filter Elements from Array | 🟢 Easy | 44s | The problem asks us to implement a function that filters an array b… |
| 2635 | Apply Transform Over Each Element in Array | 🟢 Easy | 56s | This problem asks us to implement a custom version of the array tra… |
| 2636 | Promise Pool | 🟡 Medium | 1m 7s | This problem asks us to implement a concurrency limiter for asynchr… |
| 2637 | Promise Time Limit | 🟡 Medium | 46s | This problem asks us to implement a time-limited wrapper around an … |
| 2638 | Count the Number of K-Free Subsets | 🟡 Medium | 45s | That is a detailed, long-form solution guide request. Before I gene… |
| 2639 | Find the Width of Columns of a Grid | 🟢 Easy | 1m 14s | The problem gives us a two dimensional integer matrix called grid w… |
| 2640 | Find the Score of All Prefixes of an Array | 🟡 Medium | 40s | The problem requires calculating a score for all prefixes of an arr… |
| 2641 | Cousins in Binary Tree II | 🟡 Medium | 1m 17s | The problem gives us the root of a binary tree and asks us to repla… |
| 2642 | Design Graph With Shortest Path Calculator | 🔴 Hard | 1m 47s | The problem asks us to design a graph data structure that supports … |
| 2643 | Row With Maximum Ones | 🟢 Easy | 56s | Here is the complete, detailed technical solution guide for LeetCod… |
| 2644 | Find the Maximum Divisibility Score | 🟢 Easy | 59s | The problem asks us to identify, from a list of divisors, the integ… |
| 2645 | Minimum Additions to Make Valid String | 🟡 Medium | 1m 58s | This problem asks us to determine the minimum number of insertions … |
| 2646 | Minimize the Total Price of the Trips | 🔴 Hard | 1m 13s | The problem gives us an undirected tree with n nodes. Every node ha… |
| 2647 | Color the Triangle Red | 🔴 Hard | 46s | The problem asks us to determine the minimal set of initial triangl… |
| 2648 | Generate Fibonacci Sequence | 🟢 Easy | 35s | The problem asks us to implement a generator function that yields n… |
| 2649 | Nested Array Generator | 🟡 Medium | 1m 1s | This problem asks us to implement a generator that traverses a mult… |
| 2650 | Design Cancellable Function | 🔴 Hard | 43s | The problem asks us to implement a mechanism to run a generator tha… |
| 2651 | Calculate Delayed Arrival Time | 🟢 Easy | 35s | The problem asks us to calculate the arrival time of a train given … |
| 2652 | Sum Multiples | 🟢 Easy | 41s | The problem requires calculating the sum of all integers from 1 up … |
| 2653 | Sliding Subarray Beauty | 🟡 Medium | 37s | The problem asks us to compute the beauty of every contiguous subar… |
| 2654 | Minimum Number of Operations to Make All Array Elements Equal to 1 | 🟡 Medium | 1m 31s | The problem gives us an array of positive integers, nums. In one op… |
| 2655 | Find Maximal Uncovered Ranges | 🟡 Medium | 1m 26s | The problem gives us an integer n, representing a conceptual array … |
| 2656 | Maximum Sum With Exactly K Elements | 🟢 Easy | 1m 7s | The problem gives us an integer array nums and an integer k. We mus… |
| 2657 | Find the Prefix Common Array of Two Arrays | 🟡 Medium | 48s | The problem provides two arrays, A and B, each a permutation of int… |
| 2658 | Maximum Number of Fish in a Grid | 🟡 Medium | 50s | The problem provides a 2D grid representing a map of land and water… |
| 2659 | Make Array Empty | 🔴 Hard | 1m 23s | The problem gives us an array of distinct integers and defines two … |
| 2660 | Determine the Winner of a Bowling Game | 🟢 Easy | 41s | The problem describes a simplified scoring system for a bowling gam… |
| 2661 | First Completely Painted Row or Column | 🟡 Medium | 48s | The problem is asking us to simulate a painting process on a 2D mat… |
| 2662 | Minimum Cost of a Path With Special Roads | 🟡 Medium | 38s | The problem asks us to find the minimum cost to move from a startin… |
| 2663 | Lexicographically Smallest Beautiful String | 🔴 Hard | 51s | The problem requires generating the lexicographically smallest beau… |
| 2664 | The Knight\u2019s Tour | 🟡 Medium | 1m 21s | This problem asks us to construct a complete knight’s tour on an m … |
| 2665 | Counter II | 🟢 Easy | 39s | The problem asks us to implement a counter object that maintains a … |
| 2666 | Allow One Function Call | 🟢 Easy | 1m 7s | This problem asks us to create a wrapper around an existing functio… |
| 2667 | Create Hello World Function | 🟢 Easy | 1m 1s | The problem asks us to implement a function named createHelloWorld … |
| 2668 | Find Latest Salaries | 🟢 Easy | 1m 14s | This problem gives us a database table named Salary that stores emp… |
| 2669 | Count Artist Occurrences On Spotify Ranking List | 🟢 Easy | 1m 26s | This problem provides a database table named Spotify that contains … |
| 2670 | Find the Distinct Difference Array | 🟢 Easy | 1m 1s | The problem asks us to compute the distinct difference array for a … |
| 2671 | Frequency Tracker | 🟡 Medium | 1m 6s | The problem asks us to design a data structure, FrequencyTracker, t… |
| 2672 | Number of Adjacent Elements With the Same Color | 🟡 Medium | 1m 30s | The problem gives us an array called colors of length n. Initially,… |
| 2673 | Make Costs of Paths Equal in a Binary Tree | 🟡 Medium | 1m 13s | Edit This problem gives us a perfect binary tree with n nodes, wher… |
| 2674 | Split a Circular Linked List | 🟡 Medium | 47s | The problem asks us to take a circular linked list of positive inte… |
| 2675 | Array of Objects to Matrix | 🔴 Hard | 38s | The problem is asking us to transform a JSON-like array of objects … |
| 2676 | Throttle | 🟡 Medium | 1m 11s | This problem asks us to implement a throttling mechanism for a func… |
| 2677 | Chunk Array | 🟢 Easy | 1m 4s | This problem asks us to split an input array into smaller subarrays… |
| 2678 | Number of Senior Citizens | 🟢 Easy | 47s | This problem asks us to count the number of passengers in a list wh… |
| 2679 | Sum in a Matrix | 🟡 Medium | 1m 23s | The problem gives us a 2D integer matrix nums. Each row contains se… |
| 2680 | Maximum OR | 🟡 Medium | 1m 10s | In this problem, we are given an integer array nums and an integer … |
| 2681 | Power of Heroes | 🔴 Hard | 1m 23s | The problem asks us to compute the total "power" across every possi… |
| 2682 | Find the Losers of the Circular Game | 🟢 Easy | 1m 30s | This problem describes a circular passing game among n friends numb… |
| 2683 | Neighboring Bitwise XOR | 🟡 Medium | 40s | The problem presents us with a binary array called derived of lengt… |
| 2684 | Maximum Number of Moves in a Grid | 🟡 Medium | 1m 37s | The problem gives us an m x n matrix called grid, where every cell … |
| 2685 | Count the Number of Complete Components | 🟡 Medium | 1m 13s | This problem asks us to count how many connected components in an u… |
| 2686 | Immediate Food Delivery III | 🟡 Medium | 1m 7s | This problem asks us to calculate the percentage of immediate food … |
| 2687 | Bikes Last Time Used | 🟢 Easy | 42s | The problem requires us to identify the last time each bike was use… |
| 2688 | Find Active Users | 🟡 Medium | 1m 27s | The problem gives us a database table named Users. Each row represe… |
| 2689 | Extract Kth Character From The Rope Tree | 🟢 Easy | 1m 31s | Edit This problem asks us to retrieve the k-th character from a str… |
| 2690 | Infinite Method Object | 🟢 Easy | 51s | This problem asks us to implement a function that returns an infini… |
| 2691 | Immutability Helper | 🔴 Hard | 48s | This problem is asking us to implement an immutability helper for J… |
| 2692 | Make Object Immutable | 🟡 Medium | 1m 31s | This problem asks us to create an immutable wrapper around a JSON o… |
| 2693 | Call Function with Custom Context | 🟡 Medium | 53s | This problem asks us to implement a custom version of JavaScript’s … |
| 2694 | Event Emitter | 🟡 Medium | 1m 22s | This problem asks us to design a simplified event system similar to… |
| 2695 | Array Wrapper | 🟢 Easy | 52s | This problem asks us to implement a class ArrayWrapper that encapsu… |
| 2696 | Minimum String Length After Removing Substrings | 🟢 Easy | 57s | The problem asks us to determine the minimum possible length of a s… |
| 2697 | Lexicographically Smallest Palindrome | 🟢 Easy | 1m 5s | The problem gives us a string s consisting only of lowercase Englis… |
| 2698 | Find the Punishment Number of an Integer | 🟡 Medium | 1m 17s | The problem asks us to compute a special value called the punishmen… |
| 2699 | Modify Graph Edge Weights | 🔴 Hard | 42s | You asked for a complete guide, but the previous message included t… |