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⊣ 15 3Sum
⊣ 16 3Sum Closest
⊣ 18 4Sum
⊣ 47 Permutations II
⊣ 49 Group Anagrams
⊣ 56 Merge Intervals
⊣ 75 Sort Colors
⊣ 88 Merge Sorted Array
⊣ 147 Insertion Sort List
⊣ 148 Sort List
⊣ 164 Maximum Gap
⊣ 169 Majority Element
⊣ 179 Largest Number
⊣ 215 Kth Largest Element in an Array
⊣ 217 Contains Duplicate
⊣ 218 The Skyline Problem
⊣ 220 Contains Duplicate III
⊣ 229 Majority Element II
⊣ 242 Valid Anagram
⊣ 268 Missing Number
⊣ 274 H-Index
⊣ 295 Find Median from Data Stream
⊣ 324 Wiggle Sort II
⊣ 332 Reconstruct Itinerary
⊣ 347 Top K Frequent Elements
⊣ 349 Intersection of Two Arrays
⊣ 350 Intersection of Two Arrays II
⊣ 354 Russian Doll Envelopes
⊣ 368 Largest Divisible Subset
⊣ 378 Kth Smallest Element in a Sorted Matrix
⊣ 389 Find the Difference
⊣ 406 Queue Reconstruction by Height
⊣ 414 Third Maximum Number
⊣ 435 Non-overlapping Intervals
⊣ 436 Find Right Interval
⊣ 442 Find All Duplicates in an Array
⊣ 451 Sort Characters By Frequency
⊣ 452 Minimum Number of Arrows to Burst Balloons
⊣ 455 Assign Cookies
⊣ 462 Minimum Moves to Equal Array Elements II
⊣ 472 Concatenated Words
⊣ 475 Heaters
⊣ 502 IPO
⊣ 506 Relative Ranks
⊣ 522 Longest Uncommon Subsequence II
⊣ 524 Longest Word in Dictionary through Deleting
⊣ 532 K-diff Pairs in an Array
⊣ 539 Minimum Time Difference
⊣ 561 Array Partition
⊣ 581 Shortest Unsorted Continuous Subarray
⊣ 594 Longest Harmonious Subsequence
⊣ 611 Valid Triangle Number
⊣ 621 Task Scheduler
⊣ 628 Maximum Product of Three Numbers
⊣ 630 Course Schedule III
⊣ 632 Smallest Range Covering Elements from K Lists
⊣ 645 Set Mismatch
⊣ 646 Maximum Length of Pair Chain
⊣ 658 Find K Closest Elements
⊣ 692 Top K Frequent Words
⊣ 710 Random Pick with Blacklist (PRO)
⊣ 719 Find K-th Smallest Pair Distance
⊣ 720 Longest Word in Dictionary
⊣ 721 Accounts Merge
⊣ 726 Number of Atoms
⊣ 747 Largest Number At Least Twice of Others
⊣ 757 Set Intersection Size At Least Two
⊣ 761 Special Binary String
⊣ 767 Reorganize String
⊣ 768 Max Chunks To Make Sorted II
⊣ 769 Max Chunks To Make Sorted
⊣ 786 K-th Smallest Prime Fraction
⊣ 791 Custom Sort String
⊣ 792 Number of Matching Subsequences
⊣ 823 Binary Trees With Factors
⊣ 825 Friends Of Appropriate Ages
⊣ 826 Most Profit Assigning Work
⊣ 833 Find And Replace in String
⊣ 846 Hand of Straights
⊣ 853 Car Fleet
⊣ 857 Minimum Cost to Hire K Workers
⊣ 869 Reordered Power of 2
⊣ 870 Advantage Shuffle
⊣ 881 Boats to Save People
⊣ 888 Fair Candy Swap
⊣ 891 Sum of Subsequence Widths
⊣ 893 Groups of Special-Equivalent Strings
⊣ 899 Orderly Queue
⊣ 905 Sort Array By Parity
⊣ 910 Smallest Range II
⊣ 912 Sort an Array
⊣ 922 Sort Array By Parity II
⊣ 923 3Sum With Multiplicity
⊣ 937 Reorder Data in Log Files
⊣ 939 Minimum Area Rectangle
⊣ 945 Minimum Increment to Make Array Unique
⊣ 948 Bag of Tokens
⊣ 950 Reveal Cards In Increasing Order
⊣ 954 Array of Doubled Pairs
⊣ 969 Pancake Sorting
⊣ 973 K Closest Points to Origin
⊣ 975 Odd Even Jump
⊣ 976 Largest Perimeter Triangle
⊣ 977 Squares of a Sorted Array
⊣ 987 Vertical Order Traversal of a Binary Tree
⊣ 1005 Maximize Sum Of Array After K Negations
⊣ 1029 Two City Scheduling
⊣ 1030 Matrix Cells in Distance Order
⊣ 1040 Moving Stones Until Consecutive II
⊣ 1048 Longest String Chain
⊣ 1051 Height Checker
⊣ 1054 Distant Barcodes
⊣ 1090 Largest Values From Labels
⊣ 1094 Car Pooling
⊣ 1096 Brace Expansion II
⊣ 1122 Relative Sort Array
⊣ 1169 Invalid Transactions
⊣ 1170 Compare Strings by Frequency of the Smallest Character
⊣ 1187 Make Array Strictly Increasing
⊣ 1200 Minimum Absolute Difference
⊣ 1202 Smallest String With Swaps
⊣ 1235 Maximum Profit in Job Scheduling
⊣ 1262 Greatest Sum Divisible by Three
⊣ 1268 Search Suggestions System
⊣ 1288 Remove Covered Intervals
⊣ 1296 Divide Array in Sets of K Consecutive Numbers
⊣ 1300 Sum of Mutated Array Closest to Target
⊣ 1305 All Elements in Two Binary Search Trees
⊣ 1311 Get Watched Videos by Your Friends
⊣ 1329 Sort the Matrix Diagonally
⊣ 1331 Rank Transform of an Array
⊣ 1333 Filter Restaurants by Vegan-Friendly, Price and Distance
⊣ 1337 The K Weakest Rows in a Matrix
⊣ 1338 Reduce Array Size to The Half
⊣ 1340 Jump Game V
⊣ 1346 Check If N and Its Double Exist
⊣ 1348 Tweet Counts Per Frequency
⊣ 1353 Maximum Number of Events That Can Be Attended
⊣ 1356 Sort Integers by The Number of 1 Bits
⊣ 1363 Largest Multiple of Three
⊣ 1365 How Many Numbers Are Smaller Than the Current Number
⊣ 1366 Rank Teams by Votes
⊣ 1383 Maximum Performance of a Team
⊣ 1385 Find the Distance Value Between Two Arrays
⊣ 1387 Sort Integers by The Power Value
⊣ 1402 Reducing Dishes
⊣ 1403 Minimum Subsequence in Non-Increasing Order
⊣ 1418 Display Table of Food Orders in a Restaurant
⊣ 1424 Diagonal Traverse II
⊣ 1433 Check If a String Can Break Another String
⊣ 1451 Rearrange Words in a Sentence
⊣ 1460 Make Two Arrays Equal by Reversing Subarrays
⊣ 1464 Maximum Product of Two Elements in an Array
⊣ 1465 Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts
⊣ 1471 The k Strongest Values in an Array
⊣ 1478 Allocate Mailboxes
⊣ 1481 Least Number of Unique Integers after K Removals
⊣ 1489 Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree
⊣ 1491 Average Salary Excluding the Minimum and Maximum Salary
⊣ 1498 Number of Subsequences That Satisfy the Given Sum Condition
⊣ 1502 Can Make Arithmetic Progression From Sequence
⊣ 1508 Range Sum of Sorted Subarray Sums
⊣ 1509 Minimum Difference Between Largest and Smallest Value in Three Moves
⊣ 1520 Maximum Number of Non-Overlapping Substrings
⊣ 1547 Minimum Cost to Cut a Stick
⊣ 1552 Magnetic Force Between Two Balls
⊣ 1561 Maximum Number of Coins You Can Get
⊣ 1585 Check If String Is Transformable With Substring Sort Operations
⊣ 1589 Maximum Sum Obtained of Any Permutation
⊣ 1604 Alert Using Same Key-Card Three or More Times in a One Hour Period
⊣ 1608 Special Array With X Elements Greater Than or Equal X
⊣ 1610 Maximum Number of Visible Points
⊣ 1619 Mean of Array After Removing Some Elements (PRO)
⊣ 1626 Best Team With No Conflicts
⊣ 1630 Arithmetic Subarrays
⊣ 1632 Rank Transform of a Matrix
⊣ 1636 Sort Array by Increasing Frequency
⊣ 1637 Widest Vertical Area Between Two Points Containing No Points
⊣ 1647 Minimum Deletions to Make Character Frequencies Unique
⊣ 1648 Sell Diminishing-Valued Colored Balls
⊣ 1657 Determine if Two Strings Are Close
⊣ 1665 Minimum Initial Energy to Finish Tasks
⊣ 1679 Max Number of K-Sum Pairs
⊣ 1686 Stone Game VI
⊣ 1691 Maximum Height by Stacking Cuboids
⊣ 1697 Checking Existence of Edge Length Limited Paths
⊣ 1710 Maximum Units on a Truck
⊣ 1727 Largest Submatrix With Rearrangements
⊣ 1738 Find Kth Largest XOR Coordinate Value (PRO)
⊣ 1751 Maximum Number of Events That Can Be Attended II
⊣ 1755 Closest Subsequence Sum
⊣ 1782 Count Pairs Of Nodes
⊣ 1798 Maximum Number of Consecutive Values You Can Make
⊣ 1818 Minimum Absolute Sum Difference
⊣ 1833 Maximum Ice Cream Bars
⊣ 1834 Single-Threaded CPU (PRO)
⊣ 1838 Frequency of the Most Frequent Element
⊣ 1840 Maximum Building Height
⊣ 1846 Maximum Element After Decreasing and Rearranging
⊣ 1847 Closest Room
⊣ 1851 Minimum Interval to Include Each Query (PRO)
⊣ 1859 Sorting the Sentence
⊣ 1877 Minimize Maximum Pair Sum in Array
⊣ 1878 Get Biggest Three Rhombus Sums in a Grid
⊣ 1887 Reduction Operations to Make the Array Elements Equal
⊣ 1889 Minimum Space Wasted From Packaging
⊣ 1913 Maximum Product Difference Between Two Pairs
⊣ 1921 Eliminate Maximum Number of Monsters
⊣ 1943 Describe the Painting
⊣ 1968 Array With Elements Not Equal to Average of Neighbors
⊣ 1984 Minimum Difference Between Highest and Lowest of K Scores
⊣ 1985 Find the Kth Largest Integer in the Array
⊣ 1996 The Number of Weak Characters in the Game
⊣ 1998 GCD Sort of an Array (PRO)
⊣ 2007 Find Original Array From Doubled Array
⊣ 2008 Maximum Earnings From Taxi
⊣ 2033 Minimum Operations to Make a Uni-Value Grid
⊣ 2035 Partition Array Into Two Arrays to Minimize Sum Difference
⊣ 2037 Minimum Number of Moves to Seat Everyone
⊣ 2054 Two Best Non-Overlapping Events
⊣ 2070 Most Beautiful Item for Each Query
⊣ 2071 Maximum Number of Tasks You Can Assign
⊣ 2089 Find Target Indices After Sorting Array
⊣ 2092 Find All People With Secret
⊣ 2094 Finding 3-Digit Even Numbers
⊣ 2099 Find Subsequence of Length K With the Largest Sum
⊣ 2122 Recover the Original Array
⊣ 2126 Destroying Asteroids
⊣ 2135 Count Words Obtained After Adding a Letter
⊣ 2136 Earliest Possible Day of Full Bloom
⊣ 2141 Maximum Running Time of N Computers
⊣ 2144 Minimum Cost of Buying Candies With Discount
⊣ 2146 K Highest Ranked Items Within a Price Range
⊣ 2148 Count Elements With Strictly Smaller and Greater Elements
⊣ 2154 Keep Multiplying Found Values by Two
⊣ 2160 Minimum Sum of Four Digit Number After Splitting Digits
⊣ 2164 Sort Even and Odd Indices Independently
⊣ 2165 Smallest Value of the Rearranged Number
⊣ 2171 Removing Minimum Number of Magic Beans
⊣ 2191 Sort the Jumbled Numbers
⊣ 2195 Append K Integers With Minimal Sum
⊣ 2225 Find Players With Zero or One Losses
⊣ 2231 Largest Number After Digit Swaps by Parity
⊣ 2234 Maximum Total Beauty of the Gardens
⊣ 2242 Maximum Score of a Node Sequence
⊣ 2248 Intersection of Multiple Arrays
⊣ 2250 Count Number of Rectangles Containing Each Point
⊣ 2251 Number of Flowers in Full Bloom
⊣ 2271 Maximum White Tiles Covered by a Carpet
⊣ 2273 Find Resultant Array After Removing Anagrams
⊣ 2274 Maximum Consecutive Floors Without Special Floors
⊣ 2279 Maximum Bags With Full Capacity of Rocks
⊣ 2280 Minimum Lines to Represent a Line Chart
⊣ 2285 Maximum Total Importance of Roads
⊣ 2294 Partition Array Such That Maximum Difference Is K
⊣ 2300 Successful Pairs of Spells and Potions
⊣ 2332 The Latest Time to Catch a Bus
⊣ 2333 Minimum Sum of Squared Difference
⊣ 2335 Minimum Amount of Time to Fill Cups
⊣ 2342 Max Sum of a Pair With Equal Sum of Digits
⊣ 2343 Query Kth Smallest Trimmed Number
⊣ 2344 Minimum Deletions to Make Array Divisible
⊣ 2357 Make Array Zero by Subtracting Equal Amounts
⊣ 2363 Merge Similar Items
⊣ 2386 Find the K-Sum of an Array
⊣ 2389 Longest Subsequence With Limited Sum
⊣ 2402 Meeting Rooms III
⊣ 2406 Divide Intervals Into Minimum Number of Groups
⊣ 2410 Maximum Matching of Players With Trainers
⊣ 2412 Minimum Money Required Before Transactions
⊣ 2418 Sort the People
⊣ 2421 Number of Good Paths
⊣ 2441 Largest Positive Integer That Exists With Its Negative
⊣ 2448 Minimum Cost to Make Array Equal
⊣ 2449 Minimum Number of Operations to Make Arrays Similar
⊣ 2454 Next Greater Element IV
⊣ 2456 Most Popular Video Creator
⊣ 2463 Minimum Total Distance Traveled
⊣ 2465 Number of Distinct Averages
⊣ 2475 Number of Unequal Triplets in Array
⊣ 2491 Divide Players Into Teams of Equal Skill
⊣ 2497 Maximum Star Sum of a Graph
⊣ 2500 Delete Greatest Value in Each Row
⊣ 2501 Longest Square Streak in an Array
⊣ 2503 Maximum Number of Points From Grid Queries
⊣ 2512 Reward Top K Students
⊣ 2517 Maximum Tastiness of Candy Basket
⊣ 2542 Maximum Subsequence Score
⊣ 2545 Sort the Students by Their Kth Score
⊣ 2551 Put Marbles in Bags
⊣ 2554 Maximum Number of Integers to Choose From a Range I
⊣ 2563 Count the Number of Fair Pairs
⊣ 2567 Minimum Score by Changing Two Elements
⊣ 2576 Find the Maximum Number of Marked Indices
⊣ 2578 Split With Minimum Sum
⊣ 2580 Count Ways to Group Overlapping Ranges
⊣ 2583 Kth Largest Sum in a Binary Tree
⊣ 2587 Rearrange Array to Maximize Prefix Score
⊣ 2589 Minimum Time to Complete All Tasks
⊣ 2592 Maximize Greatness of an Array
⊣ 2593 Find Score of an Array After Marking All Elements
⊣ 2597 The Number of Beautiful Subsets
⊣ 2602 Minimum Operations to Make All Array Elements Equal
⊣ 2607 Make K-Subarray Sums Equal
⊣ 2611 Mice and Cheese
⊣ 2616 Minimize the Maximum Difference of Pairs
⊣ 2659 Make Array Empty
⊣ 2679 Sum in a Matrix
⊣ 2681 Power of Heroes
⊣ 2706 Buy Two Chocolates
⊣ 2708 Maximum Strength of a Group
⊣ 2713 Maximum Strictly Increasing Cells in a Matrix
⊣ 2731 Movement of Robots
⊣ 2733 Neither Minimum nor Maximum
⊣ 2736 Maximum Sum Queries
⊣ 2740 Find the Value of the Partition
⊣ 2747 Count Zero Request Servers
⊣ 2751 Robot Collisions
⊣ 2766 Relocate Marbles
⊣ 2779 Maximum Beauty of an Array After Applying Operation
⊣ 2780 Minimum Index of a Valid Split
⊣ 2784 Check if Array is Good
⊣ 2785 Sort Vowels in a String
⊣ 2790 Maximum Number of Groups With Increasing Length
⊣ 2809 Minimum Time to Make Array Sum At Most x
⊣ 2813 Maximum Elegance of a K-Length Subsequence
⊣ 2818 Apply Operations to Maximize Score
⊣ 2824 Count Pairs Whose Sum is Less than Target
⊣ 2830 Maximize the Profit as the Salesman
⊣ 2840 Check if Strings Can be Made Equal With Operations II
⊣ 2842 Count K-Subsequences of a String With Maximum Beauty
⊣ 2860 Happy Students
⊣ 2895 Minimum Processing Time
⊣ 2931 Maximum Spending After Buying Items
⊣ 2933 High-Access Employees
⊣ 2943 Maximize Area of Square Hole in Grid
⊣ 2948 Make Lexicographically Smallest Array by Swapping Elements
⊣ 2952 Minimum Number of Coins to be Added
⊣ 2966 Divide Array Into Arrays With Max Difference
⊣ 2967 Minimum Cost to Make Array Equalindromic
⊣ 2968 Apply Operations to Maximize Frequency Score
⊣ 2971 Find Polygon With the Largest Perimeter
⊣ 2973 Find Number of Coins to Place in Tree Nodes
⊣ 2974 Minimum Number Game
⊣ 2996 Smallest Missing Integer Greater Than Sequential Prefix Sum
⊣ 3010 Divide an Array Into Subarrays With Minimum Cost I
⊣ 3011 Find if Array Can Be Sorted
⊣ 3016 Minimum Number of Pushes to Type Word II
⊣ 3024 Type of Triangle
⊣ 3025 Find the Number of Ways to Place People I
⊣ 3027 Find the Number of Ways to Place People II
⊣ 3035 Maximum Palindromes After Operations
⊣ 3039 Apply Operations to Make String Empty
⊣ 3041 Maximize Consecutive Elements in an Array After Modification
⊣ 3068 Find the Maximum Sum of Node Values
⊣ 3074 Apple Redistribution into Boxes
⊣ 3075 Maximize Happiness of Selected Children
⊣ 3080 Mark Elements on Array by Performing Queries
⊣ 3081 Replace Question Marks in String to Minimize Its Value
⊣ 3085 Minimum Deletions to Make String K-Special
⊣ 3098 Find the Sum of Subsequence Powers
⊣ 3102 Minimize Manhattan Distances
⊣ 3107 Minimum Operations to Make Median of Array Equal to K
⊣ 3111 Minimum Rectangles to Cover Points
⊣ 3132 Find the Integer Added to Array II
⊣ 3143 Maximum Points Inside the Square
⊣ 3169 Count Days Without Meetings
⊣ 3186 Maximum Total Damage With Spell Casting
⊣ 3194 Minimum Average of Smallest and Largest Elements
⊣ 3218 Minimum Cost for Cutting Cake I
⊣ 3219 Minimum Cost for Cutting Cake II
⊣ 3265 Count Almost Equal Pairs I
⊣ 3267 Count Almost Equal Pairs II
⊣ 3273 Minimum Amount of Damage Dealt to Bob
⊣ 3281 Maximize Score of Numbers in Ranges
⊣ 3288 Length of the Longest Increasing Path
⊣ 3301 Maximize the Total Height of Unique Towers
⊣ 3319 K-th Largest Perfect Subtree Size in Binary Tree
⊣ 3346 Maximum Frequency of an Element After Performing Operations I
⊣ 3347 Maximum Frequency of an Element After Performing Operations II
⊣ 3362 Zero Array Transformation III
⊣ 3365 Rearrange K Substrings to Form Target String
⊣ 3367 Maximize Sum of Weights after Edge Removals
⊣ 3380 Maximum Area Rectangle With Point Constraints I
⊣ 3382 Maximum Area Rectangle With Point Constraints II
⊣ 3394 Check if Grid can be Cut into Sections
⊣ 3397 Maximum Number of Distinct Elements After Operations
⊣ 3413 Maximum Coins From K Consecutive Bags
⊣ 3414 Maximum Score of Non-overlapping Intervals
⊣ 3424 Minimum Cost to Make Arrays Identical
⊣ 3428 Maximum and Minimum Sums of at Most Size K Subsequences
⊣ 3433 Count Mentions Per User
⊣ 3446 Sort Matrix by Diagonals
⊣ 3457 Eat Pizzas!
⊣ 3458 Select K Disjoint Special Substrings
⊣ 3462 Maximum Sum With at Most K Elements
⊣ 3464 Maximize the Distance Between Points on a Square
⊣ 3467 Transform Array by Parity
⊣ 3478 Choose K Elements With Maximum Sum
⊣ 3517 Smallest Palindromic Rearrangement I
⊣ 3531 Count Covered Buildings
⊣ 3534 Path Existence Queries in a Graph II
⊣ 3536 Maximum Product of Two Digits
⊣ 3545 Minimum Deletions for At Most K Distinct Characters
⊣ 3551 Minimum Swaps to Sort by Digit Sum
⊣ 3556 Sum of Largest Prime Substrings
⊣ 3567 Minimum Absolute Difference in Sliding Submatrix
⊣ 3572 Maximize Y‑Sum by Picking a Triplet of Distinct X‑Values
⊣ 3606 Coupon Code Validator (PRO)
⊣ 3608 Minimum Time for K Connected Components
⊣ 3613 Minimize Maximum Component Cost
⊣ 3627 Maximum Median Sum of Subsequences of Size 3
⊣ 3633 Earliest Finish Time for Land and Water Rides I
⊣ 3634 Minimum Removals to Balance Array
⊣ 3635 Earliest Finish Time for Land and Water Rides II
⊣ 3645 Maximum Total from Optimal Activation Order
⊣ 3649 Number of Perfect Pairs
⊣ 3661 Maximum Walls Destroyed by Robots
⊣ 3684 Maximize Sum of At Most K Distinct Elements
⊣ 3685 Subsequence Sum After Capping Elements
⊣ 3695 Maximize Alternating Sum Using Swaps
⊣ 3727 Maximum Alternating Sum of Squares
⊣ 3731 Find Missing Elements
⊣ 3732 Maximum Product of Three Elements After One Replacement
⊣ 3745 Maximize Expression of Three Elements
⊣ 3752 Lexicographically Smallest Negated Permutation that Sums to Target
⊣ 3759 Count Elements With at Least K Greater Values
⊣ 3767 Maximize Points After Choosing K Tasks
⊣ 3769 Sort Integers by Binary Reflection
⊣ 3774 Absolute Difference Between Maximum and Minimum K Elements
⊣ 3776 Minimum Moves to Balance Circular Array
⊣ 3780 Maximum Sum of Three Numbers Divisible by Three
⊣ 3799 Word Squares II
⊣ 3806 Maximum Bitwise AND After Increment Operations
⊣ 3812 Minimum Edge Toggles on a Tree
⊣ 3814 Maximum Capacity Within Budget
⊣ 3842 Toggle Light Bulbs