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- images
- lcci
- 02.08.Linked List Cycle/images
- 08.02.Robot in a Grid/images
- 16.20.T9/images
- 17.21.Volume of Histogram/images
- 17.23.Max Black Square/images
- lcof2
- 剑指 Offer II 022. 链表中环的入口节点/images
- 剑指 Offer II 023. 两个链表的第一个重合节点/images
- 剑指 Offer II 025. 链表中的两数相加/images
- 剑指 Offer II 026. 重排链表/images
- 剑指 Offer II 027. 回文链表/images
- 剑指 Offer II 047. 二叉树剪枝/images
- 剑指 Offer II 053. 二叉搜索树中的中序后继/images
- 剑指 Offer II 054. 所有大于等于节点的值之和/images
- 剑指 Offer II 055. 二叉搜索树迭代器/images
- 剑指 Offer II 098. 路径的数目/images
- 剑指 Offer II 107. 矩阵中的距离/images
- lcof
- 面试题36. 二叉搜索树与双向链表/images
- 面试题52. 两个链表的第一个公共节点/images
- 面试题68 - I. 二叉搜索树的最近公共祖先/images
- lcp
- LCP 10. 二叉树任务调度/images
- LCP 15. 游乐园的迷宫/images
- LCP 21. 追逐游戏/images
- LCP 26. 导航装置/images
- LCP 27. 黑盒光线反射/images
- LCP 29. 乐团站位/images
- LCP 34. 二叉树染色/images
- LCP 38. 守卫城堡/images
- LCP 42. 玩具套圈/images
- LCP 43. 十字路口的交通/images
- LCP 46. 志愿者调配/images
- LCP 52. 二叉搜索树染色/images
- LCP 57. 打地鼠/images
- LCP 58. 积木拼接/images
- LCP 60. 力扣泡泡龙/images
- LCP 62. 交通枢纽/images
- LCP 65. 舒适的湿度/images
- LCP 67. 装饰树/images
- LCP 70. 沙地治理/images
- LCP 75. 传送卷轴/images
- LCP 76. 魔法棋盘/images
- LCP 78. 城墙防线/images
- lcs/LCS 03. 主题空间/images
- solution
- 0000-0099
- 0017.Letter Combinations of a Phone Number/images
- 0036.Valid Sudoku/images
- 0037.Sudoku Solver/images
- 0038.Count and Say/images
- 0042.Trapping Rain Water/images
- 0045.Jump Game II
- 0051.N-Queens/images
- 0052.N-Queens II/images
- 0056.Merge Intervals
- 0062.Unique Paths/images
- 0084.Largest Rectangle in Histogram/images
- 0085.Maximal Rectangle/images
- 0094.Binary Tree Inorder Traversal/images
- 0100-0199
- 0101.Symmetric Tree/images
- 0130.Surrounded Regions
- images
- 0133.Clone Graph/images
- 0141.Linked List Cycle/images
- 0142.Linked List Cycle II/images
- 0143.Reorder List/images
- 0144.Binary Tree Preorder Traversal/images
- 0145.Binary Tree Postorder Traversal/images
- 0147.Insertion Sort List/images
- 0157.Read N Characters Given Read4/images
- 0158.Read N Characters Given read4 II - Call Multiple Times/images
- 0160.Intersection of Two Linked Lists/images
- 0165.Compare Version Numbers
- 0173.Binary Search Tree Iterator/images
- 0199.Binary Tree Right Side View/images
- 0200-0299
- 0200.Number of Islands
- 0218.The Skyline Problem/images
- 0223.Rectangle Area
- images
- 0235.Lowest Common Ancestor of a Binary Search Tree/images
- 0237.Delete Node in a Linked List/images
- 0285.Inorder Successor in BST/images
- 0300-0399
- 0302.Smallest Rectangle Enclosing Black Pixels/images
- 0304.Range Sum Query 2D - Immutable/images
- 0314.Binary Tree Vertical Order Traversal/images
- 0334.Increasing Triplet Subsequence
- 0339.Nested List Weight Sum/images
- 0347.Top K Frequent Elements
- 0351.Android Unlock Patterns/images
- 0356.Line Reflection/images
- 0358.Rearrange String k Distance Apart
- 0359.Logger Rate Limiter
- 0360.Sort Transformed Array
- 0364.Nested List Weight Sum II/images
- 0373.Find K Pairs with Smallest Sums/images
- 0375.Guess Number Higher or Lower II/images
- 0400-0499
- 0419.Battleships in a Board/images
- 0426.Convert Binary Search Tree to Sorted Doubly Linked List/images
- 0427.Construct Quad Tree/images
- 0428.Serialize and Deserialize N-ary Tree/images
- 0429.N-ary Tree Level Order Traversal/images
- 0431.Encode N-ary Tree to Binary Tree/images
- 0445.Add Two Numbers II/images
- 0457.Circular Array Loop/images
- 0490.The Maze/images
- 0499.The Maze III
- images
- 0500-0599
- 0500.Keyboard Row/images
- 0505.The Maze II/images
- 0510.Inorder Successor in BST II/images
- 0533.Lonely Pixel II/images
- 0538.Convert BST to Greater Tree/images
- 0542.01 Matrix/images
- 0554.Brick Wall/images
- 0558.Logical OR of Two Binary Grids Represented as Quad-Trees/images
- 0559.Maximum Depth of N-ary Tree/images
- 0572.Subtree of Another Tree/images
- 0576.Out of Boundary Paths/images
- 0587.Erect the Fence/images
- 0588.Design In-Memory File System/images
- 0589.N-ary Tree Preorder Traversal/images
- 0590.N-ary Tree Postorder Traversal/images
- 0600-0699
- 0633.Sum of Square Numbers/images
- 0688.Knight Probability in Chessboard/images
- 0690.Employee Importance/images
- 0700-0799
- 0723.Candy Crush/images
- 0743.Network Delay Time/images
- 0787.Cheapest Flights Within K Stops/images
- 0799.Champagne Tower/images
- 0800-0899
- 0802.Find Eventual Safe States/images
- 0807.Max Increase to Keep City Skyline/images
- 0814.Binary Tree Pruning/images
- 0833.Find And Replace in String/images
- 0838.Push Dominoes/images
- 0850.Rectangle Area II/images
- 0865.Smallest Subtree with all the Deepest Nodes/images
- 0885.Spiral Matrix III/images
- 0894.All Possible Full Binary Trees/images
- 0900-0999
- 0909.Snakes and Ladders/images
- 0931.Minimum Falling Path Sum/images
- 0935.Knight Dialer/images
- 0941.Valid Mountain Array/images
- 0952.Largest Component Size by Common Factor/images
- 0958.Check Completeness of a Binary Tree/images
- 0959.Regions Cut By Slashes/images
- 0963.Minimum Area Rectangle II/images
- 0965.Univalued Binary Tree/images
- 0966.Vowel Spellchecker
- 0968.Binary Tree Cameras/images
- 0971.Flip Binary Tree To Match Preorder Traversal/images
- 0976.Largest Perimeter Triangle
- 0979.Distribute Coins in Binary Tree/images
- 0988.Smallest String Starting From Leaf/images
- 0993.Cousins in Binary Tree/images
- 0994.Rotting Oranges/images
- 0998.Maximum Binary Tree II/images
- 0999.Available Captures for Rook/images
- 1000-1099
- 1008.Construct Binary Search Tree from Preorder Traversal/images
- 1022.Sum of Root To Leaf Binary Numbers/images
- 1028.Recover a Tree From Preorder Traversal/images
- 1035.Uncrossed Lines/images
- 1038.Binary Search Tree to Greater Sum Tree/images
- 1039.Minimum Score Triangulation of Polygon/images
- 1056.Confusing Number/images
- 1057.Campus Bikes/images
- 1059.All Paths from Source Lead to Destination/images
- 1066.Campus Bikes II
- images
- 1080.Insufficient Nodes in Root to Leaf Paths/images
- 1091.Shortest Path in Binary Matrix/images
- 1100-1199
- 1104.Path In Zigzag Labelled Binary Tree/images
- 1105.Filling Bookcase Shelves/images
- 1110.Delete Nodes And Return Forest/images
- 1111.Maximum Nesting Depth of Two Valid Parentheses Strings/images
- 1120.Maximum Average Subtree/images
- 1123.Lowest Common Ancestor of Deepest Leaves/images
- 1135.Connecting Cities With Minimum Cost/images
- 1136.Parallel Courses/images
- 1138.Alphabet Board Path/images
- 1145.Binary Tree Coloring Game/images
- 1147.Longest Chunked Palindrome Decomposition/images
- 1181.Before and After Puzzle
- 1192.Critical Connections in a Network/images
- 1197.Minimum Knight Moves/images
- 1200-1299
- 1210.Minimum Moves to Reach Target with Rotations/images
- 1214.Two Sum BSTs/images
- 1226.The Dining Philosophers/images
- 1235.Maximum Profit in Job Scheduling/images
- 1236.Web Crawler/images
- 1240.Tiling a Rectangle with the Fewest Squares/images
- 1242.Web Crawler Multithreaded/images
- 1245.Tree Diameter/images
- 1252.Cells with Odd Values in a Matrix/images
- 1260.Shift 2D Grid/images
- 1261.Find Elements in a Contaminated Binary Tree/images
- 1284.Minimum Number of Flips to Convert Binary Matrix to Zero Matrix/images
- 1290.Convert Binary Number in a Linked List to Integer/images
- 1292.Maximum Side Length of a Square with Sum Less than or Equal to Threshold/images
- 1300-1399
- 1302.Deepest Leaves Sum/images
- 1304.Find N Unique Integers Sum up to Zero
- 1305.All Elements in Two Binary Search Trees/images
- 1311.Get Watched Videos by Your Friends/images
- 1315.Sum of Nodes with Even-Valued Grandparent/images
- 1317.Convert Integer to the Sum of Two No-Zero Integers
- 1319.Number of Operations to Make Network Connected/images
- 1320.Minimum Distance to Type a Word Using Two Fingers/images
- 1322.Ads Performance/images
- 1325.Delete Leaves With a Given Value/images
- 1334.Find the City With the Smallest Number of Neighbors at a Threshold Distance/images
- 1335.Minimum Difficulty of a Job Schedule/images
- 1339.Maximum Product of Splitted Binary Tree/images
- 1344.Angle Between Hands of a Clock/images
- 1349.Maximum Students Taking Exam/images
- 1361.Validate Binary Tree Nodes/images
- 1367.Linked List in Binary Tree/images
- 1372.Longest ZigZag Path in a Binary Tree/images
- 1373.Maximum Sum BST in Binary Tree/images
- 1376.Time Needed to Inform All Employees/images
- 1377.Frog Position After T Seconds/images
- 1379.Find a Corresponding Node of a Binary Tree in a Clone of That Tree/images
- 1382.Balance a Binary Search Tree/images
- 1386.Cinema Seat Allocation/images
- 1388.Pizza With 3n Slices/images
- 1391.Check if There is a Valid Path in a Grid/images
- 1396.Design Underground System
- 1400-1499
- 1401.Circle and Rectangle Overlapping/images
- 1430.Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree/images
- 1437.Check If All 1's Are at Least Length K Places Away/images
- 1441.Build an Array With Stack Operations
- 1443.Minimum Time to Collect All Apples in a Tree/images
- 1444.Number of Ways of Cutting a Pizza/images
- 1457.Pseudo-Palindromic Paths in a Binary Tree/images
- 1459.Rectangles Area/images
- 1462.Course Schedule IV/images
- 1463.Cherry Pickup II/images
- 1466.Reorder Routes to Make All Paths Lead to the City Zero/images
- 1469.Find All The Lonely Nodes/images
- 1474.Delete N Nodes After M Nodes of a Linked List/images
- 1478.Allocate Mailboxes/images
- 1483.Kth Ancestor of a Tree Node/images
- 1485.Clone Binary Tree With Random Pointer/images
- 1489.Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree/images
- 1490.Clone N-ary Tree/images
- 1494.Parallel Courses II/images
- 1500-1599
- 1506.Find Root of N-Ary Tree/images
- 1514.Path with Maximum Probability/images
- 1516.Move Sub-Tree of N-Ary Tree/images
- 1518.Water Bottles/images
- 1522.Diameter of N-Ary Tree/images
- 1535.Find the Winner of an Array Game/images
- 1559.Detect Cycles in 2D Grid/images
- 1564.Put Boxes Into the Warehouse I/images
- 1572.Matrix Diagonal Sum/images
- 1579.Remove Max Number of Edges to Keep Graph Fully Traversable/images
- 1580.Put Boxes Into the Warehouse II/images
- 1584.Min Cost to Connect All Points/images
- 1586.Binary Search Tree Iterator II/images
- 1597.Build Binary Expression Tree From Infix Expression/images
- 1598.Crawler Log Folder/images
- 1599.Maximum Profit of Operating a Centennial Wheel/images
- 1600-1699
- 1602.Find Nearest Right Node in Binary Tree/images
- 1606.Find Servers That Handled Most Number of Requests/images
- 1609.Even Odd Tree/images
- 1610.Maximum Number of Visible Points/images
- 1615.Maximal Network Rank/images
- 1617.Count Subtrees With Max Distance Between Cities/images
- 1628.Design an Expression Tree With Evaluate Function/images
- 1634.Add Two Polynomials Represented as Linked Lists/images
- 1637.Widest Vertical Area Between Two Points Containing No Points/images
- 1643.Kth Smallest Instructions/images
- 1659.Maximize Grid Happiness/images
- 1660.Correct a Binary Tree/images
- 1666.Change the Root of a Binary Tree/images
- 1669.Merge In Between Linked Lists/images
- 1692.Count Ways to Distribute Candies/images
- 1697.Checking Existence of Edge Length Limited Paths/images
- 1700-1799
- 1719.Number Of Ways To Reconstruct A Tree/images
- 1724.Checking Existence of Edge Length Limited Paths II/images
- 1728.Cat and Mouse II/images
- 1739.Building Boxes/images
- 1761.Minimum Degree of a Connected Trio in a Graph/images
- 1782.Count Pairs Of Nodes/images
- 1786.Number of Restricted Paths From First to Last Node/images
- 1791.Find Center of Star Graph/images
- 1800-1899
- 1801.Number of Orders in the Backlog/images
- 1823.Find the Winner of the Circular Game/images
- 1824.Minimum Sideway Jumps/images
- 1828.Queries on Number of Points Inside a Circle/images
- 1840.Maximum Building Height/images
- 1857.Largest Color Value in a Directed Graph/images
- 1861.Rotating the Box/images
- 1878.Get Biggest Three Rhombus Sums in a Grid/images
- 1886.Determine Whether Matrix Can Be Obtained By Rotation/images
- 1900-1999
- 1901.Find a Peak Element II/images
- 1902.Depth of BST Given Insertion Order/images
- 1912.Design Movie Rental System
- 1914.Cyclically Rotating a Grid/images
- 1928.Minimum Cost to Reach Destination in Time/images
- 1932.Merge BSTs to Create Single BST/images
- 1935.Maximum Number of Words You Can Type
- 1937.Maximum Number of Points with Cost/images
- 1938.Maximum Genetic Difference Query/images
- 1943.Describe the Painting/images
- 1954.Minimum Garden Perimeter to Collect Enough Apples/images
- 1956.Minimum Time For K Virus Variants to Spread/images
- 1958.Check if Move is Legal/images
- 1970.Last Day Where You Can Still Cross/images
- 1971.Find if Path Exists in Graph/images
- 1973.Count Nodes Equal to Sum of Descendants/images
- 1975.Maximum Matrix Sum/images
- 1981.Minimize the Difference Between Target and Chosen Elements/images
- 1992.Find All Groups of Farmland/images
- 1993.Operations on Tree/images
- 2000-2099
- 2002.Maximum Product of the Length of Two Palindromic Subsequences/images
- 2003.Smallest Missing Genetic Value in Each Subtree/images
- 2005.Subtree Removal Game with Fibonacci Tree/images
- 2017.Grid Game/images
- 2018.Check if Word Can Be Placed In Crossword/images
- 2019.The Score of Students Solving Math Expression/images
- 2030.Smallest K-Length Subsequence With Occurrences of a Letter/images
- 2033.Minimum Operations to Make a Uni-Value Grid/images
- 2035.Partition Array Into Two Arrays to Minimize Sum Difference/images
- 2039.The Time When the Network Becomes Idle/images
- 2042.Check if Numbers Are Ascending in a Sentence/images
- 2045.Second Minimum Time to Reach Destination/images
- 2046.Sort Linked List Already Sorted Using Absolute Values/images
- 2049.Count Nodes With the Highest Score/images
- 2050.Parallel Courses III/images
- 2054.Two Best Non-Overlapping Events/images
- 2055.Plates Between Candles/images
- 2056.Number of Valid Move Combinations On Chessboard/images
- 2061.Number of Spaces Cleaning Robot Cleaned/images
- 2065.Maximum Path Quality of a Graph/images
- 2069.Walking Robot Simulation II/images
- 2074.Reverse Nodes in Even Length Groups/images
- 2075.Decode the Slanted Ciphertext/images
- 2077.Paths in Maze That Lead to Same Room/images
- 2078.Two Furthest Houses With Different Colors/images
- 2086.Minimum Number of Food Buckets to Feed the Hamsters/images
- 2088.Count Fertile Pyramids in a Land/images
- 2090.K Radius Subarray Averages/images
- 2093.Minimum Cost to Reach City With Discounts/images
- 2095.Delete the Middle Node of a Linked List/images
- 2096.Step-By-Step Directions From a Binary Tree Node to Another/images
- 2100-2199
- 2103.Rings and Rods/images
- 2106.Maximum Fruits Harvested After at Most K Steps/images
- 2116.Check if a Parentheses String Can Be Valid/images
- 2120.Execution of All Suffix Instructions Staying in a Grid/images
- 2123.Minimum Operations to Remove Adjacent Ones in Matrix/images
- 2127.Maximum Employees to Be Invited to a Meeting/images
- 2128.Remove All Ones With Row and Column Flips/images
- 2130.Maximum Twin Sum of a Linked List/images
- 2132.Stamping the Grid/images
- 2133.Check if Every Row and Column Contains All Numbers/images
- 2136.Earliest Possible Day of Full Bloom/images
- 2141.Maximum Running Time of N Computers/images
- 2146.K Highest Ranked Items Within a Price Range/images
- 2147.Number of Ways to Divide a Long Corridor/images
- 2152.Minimum Number of Lines to Cover Points/images
- 2158.Amount of New Area Painted Each Day/images
- 2162.Minimum Cost to Set Cooking Time/images
- 2174.Remove All Ones With Row and Column Flips II/images
- 2181.Merge Nodes in Between Zeros/images
- 2192.All Ancestors of a Node in a Directed Acyclic Graph/images
- 2194.Cells in a Range on an Excel Sheet/images
- 2196.Create Binary Tree From Descriptions/images
- 2197.Replace Non-Coprime Numbers in Array
- 2200-2299
- 2203.Minimum Weighted Subgraph With the Required Paths/images
- 2204.Distance to a Cycle in Undirected Graph/images
- 2214.Minimum Health to Beat Game
- 2221.Find Triangular Sum of an Array/images
- 2236.Root Equals Sum of Children/images
- 2242.Maximum Score of a Node Sequence/images
- 2246.Longest Path With Different Adjacent Characters/images
- 2247.Maximum Cost of Trip With K Highways/images
- 2250.Count Number of Rectangles Containing Each Point/images
- 2257.Count Unguarded Cells in the Grid/images
- 2265.Count Nodes Equal to Average of Subtree/images
- 2266.Count Number of Texts/images
- 2268.Minimum Number of Keypresses/images
- 2271.Maximum White Tiles Covered by a Carpet/images
- 2277.Closest Node to Path in Tree/images
- 2280.Minimum Lines to Represent a Line Chart/images
- 2285.Maximum Total Importance of Roads/images
- 2293.Min Max Game/images
- 2300-2399
- 2313.Minimum Flips in Binary Tree to Get Result/images
- 2316.Count Unreachable Pairs of Nodes in an Undirected Graph/images
- 2320.Count Number of Ways to Place Houses/images
- 2322.Minimum Score After Removals on a Tree/images
- 2327.Number of People Aware of a Secret
- 2328.Number of Increasing Paths in a Grid/images
- 2345.Finding the Number of Visible Mountains/images
- 2349.Design a Number Container System
- 2359.Find Closest Node to Given Two Nodes/images
- 2360.Longest Cycle in a Graph/images
- 2368.Reachable Nodes With Restrictions/images
- 2371.Minimize Maximum Value in a Grid/images
- 2374.Node With Highest Edge Score/images
- 2385.Amount of Time for Binary Tree to Be Infected/images
- 2400-2499
- 2415.Reverse Odd Levels of Binary Tree/images
- 2421.Number of Good Paths/images
- 2429.Minimize XOR
- 2435.Paths in Matrix Whose Sum Is Divisible by K/images
- 2440.Create Components With Same Value/images
- 2446.Determine if Two Events Have Conflict/images
- 2458.Height of Binary Tree After Subtree Removal Queries/images
- 2463.Minimum Total Distance Traveled/images
- 2467.Most Profitable Path in a Tree/images
- 2471.Minimum Number of Operations to Sort a Binary Tree by Level/images
- 2473.Minimum Cost to Buy Apples/images
- 2476.Closest Nodes Queries in a Binary Search Tree/images
- 2477.Minimum Fuel Cost to Report to the Capital/images
- 2479.Maximum XOR of Two Non-Overlapping Subtrees/images
- 2481.Minimum Cuts to Divide a Circle/images
- 2487.Remove Nodes From Linked List/images
- 2492.Minimum Score of a Path Between Two Cities/images
- 2493.Divide Nodes Into the Maximum Number of Groups/images
- 2497.Maximum Star Sum of a Graph/images
- 2498.Frog Jump II/images
- 2500-2599
- 2503.Maximum Number of Points From Grid Queries/images
- 2508.Add Edges to Make Degrees of All Nodes Even/images
- 2509.Cycle Length Queries in a Tree/images
- 2510.Check if There is a Path With Equal Number of 0's And 1's/images
- 2536.Increment Submatrices by One/images
- 2538.Difference Between Maximum and Minimum Price Sum/images
- 2545.Sort the Students by Their Kth Score/images
- 2556.Disconnect Path in a Binary Matrix by at Most One Flip/images
- 2577.Minimum Time to Visit a Cell In a Grid/images
- 2581.Count Number of Possible Root Nodes/images
- 2583.Kth Largest Sum in a Binary Tree/images
- 2584.Split the Array to Make Coprime Products/images
- 2596.Check Knight Tour Configuration/images
- 2600-2699
- 2603.Collect Coins in a Tree/images
- 2608.Shortest Cycle in a Graph/images
- 2614.Prime In Diagonal/images
- 2624.Snail Traversal/images
- 2641.Cousins in Binary Tree II/images
- 2646.Minimize the Total Price of the Trips/images
- 2658.Maximum Number of Fish in a Grid/images
- 2673.Make Costs of Paths Equal in a Binary Tree/images
- 2676.Throttle/images
- 2684.Maximum Number of Moves in a Grid/images
- 2685.Count the Number of Complete Components/images
- 2689.Extract Kth Character From The Rope Tree/images
- 2699.Modify Graph Edge Weights/images
- 2700-2799
- 2711.Difference of Number of Distinct Values on Diagonals/images
- 2713.Maximum Strictly Increasing Cells in a Matrix/images
- 2718.Sum of Matrix After Queries/images
- 2737.Find the Closest Marked Node/images
- 2749.Minimum Operations to Make the Integer Zero
- 2756.Query Batching/images
- 2764.Is Array a Preorder of Some Binary Tree/images
- 2773.Height of Special Binary Tree/images
- 2785.Sort Vowels in a String
- 2791.Count Paths That Can Form a Palindrome in a Tree/images
- 2792.Count Nodes That Are Great Enough/images
- 2800-2899
- 2807.Insert Greatest Common Divisors in Linked List/images
- 2812.Find the Safest Path in a Grid/images
- 2814.Minimum Time Takes to Reach Destination Without Drowning/images
- 2816.Double a Number Represented as a Linked List/images
- 2846.Minimum Edge Weight Equilibrium Queries in a Tree/images
- 2852.Sum of Remoteness of All Cells/images
- 2858.Minimum Edge Reversals So Every Node Is Reachable/images
- 2867.Count Valid Paths in a Tree/images
- 2876.Count Visited Nodes in a Directed Graph/images
- 2900-2999
- 2920.Maximum Points After Collecting Coins From All Nodes/images
- 2924.Find Champion II/images
- 2925.Maximum Score After Applying Operations on a Tree/images
- 2943.Maximize Area of Square Hole in Grid/images
- 2950.Number of Divisible Substrings/images
- 2959.Number of Possible Sets of Closing Branches/images
- 2973.Find Number of Coins to Place in Tree Nodes/images
- 2992.Number of Self-Divisible Permutations
- 3000-3099
- 3000.Maximum Area of Longest Diagonal Rectangle
- 3001.Minimum Moves to Capture The Queen/images
- 3004.Maximum Subtree of the Same Color/images
- 3005.Count Elements With Maximum Frequency
- 3015.Count the Number of Houses at a Certain Distance I/images
- 3017.Count the Number of Houses at a Certain Distance II/images
- 3021.Alice and Bob Playing Flower Game
- images
- 3027.Find the Number of Ways to Place People II
- images
- 3033.Modify the Matrix/images
- 3067.Count Pairs of Connectable Servers in a Weighted Tree Network/images
- 3068.Find the Maximum Sum of Node Values/images
- 3100-3199
- 3100.Water Bottles II/images
- 3108.Minimum Cost Walk in Weighted Graph/images
- 3112.Minimum Time to Visit Disappearing Nodes/images
- 3122.Minimum Number of Operations to Satisfy Conditions/images
- 3123.Find Edges in Shortest Paths/images
- 3142.Check if Grid Satisfies Conditions/images
- 3143.Maximum Points Inside the Square/images
- 3148.Maximum Difference Score in a Grid/images
- 3157.Find the Level of Tree with Minimum Sum/images
- 3161.Block Placement Queries/images
- 3195.Find the Minimum Area to Cover All Ones I/images
- 3200-3299
- 3200.Maximum Height of a Triangle/images
- 3203.Find Minimum Diameter After Merging Two Trees/images
- 3206.Alternating Groups I/images
- 3208.Alternating Groups II/images
- 3217.Delete Nodes From Linked List Present in Array/images
- 3224.Minimum Array Changes to Make Differences Equal
- 3225.Maximum Score From Grid Operations/images
- 3226.Number of Bit Changes to Make Two Integers Equal
- 3227.Vowels Game in a String
- 3235.Check if the Rectangle Corner Is Reachable/images
- 3239.Minimum Number of Flips to Make Binary Grid Palindromic I/images
- 3240.Minimum Number of Flips to Make Binary Grid Palindromic II/images
- 3241.Time Taken to Mark All Nodes/images
- 3245.Alternating Groups III/images
- 3249.Count the Number of Good Nodes/images
- 3276.Select Cells in Grid With Maximum Score/images
- 3286.Find a Safe Walk Through a Grid/images
- 3300-3399
- 3310.Remove Methods From Project/images
- 3311.Construct 2D Grid Matching Graph Layout/images
- 3313.Find the Last Marked Nodes in Tree/images
- 3319.K-th Largest Perfect Subtree Size in Binary Tree/images
- 3327.Check if DFS Strings Are Palindromes/images
- 3331.Find Subtree Sizes After Changes/images
- 3359.Find Sorted Submatrices With Maximum Element at Most K/images
- 3367.Maximize Sum of Weights after Edge Removals/images
- 3372.Maximize the Number of Target Nodes After Connecting Trees I/images
- 3373.Maximize the Number of Target Nodes After Connecting Trees II/images
- 3378.Count Connected Components in LCM Graph/images
- 3380.Maximum Area Rectangle With Point Constraints I/images
- 3382.Maximum Area Rectangle With Point Constraints II/images
- 3383.Minimum Runes to Add to Cast Spell/images
- 3400-3499
- 3407.Substring Matching Pattern
- 3408.Design Task Manager
- 3419.Minimize the Maximum Edge Weight of Graph/images
- 3426.Manhattan Distances of All Arrangements of Pieces/images
- 3440.Reschedule Meetings for Maximum Free Time II/images
- 3446.Sort Matrix by Diagonals/images
- 3453.Separate Squares I/images
- 3454.Separate Squares II/images
- 3459.Length of Longest V-Shaped Diagonal Segment
- 3484.Design Spreadsheet
- 3486.Longest Special Path II/images
- 3493.Properties Graph/images
- 3495.Minimum Operations to Make Array Elements Zero
- 3500-3599
- 3508.Implement Router
- 3528.Unit Conversion I/images
- 3529.Count Cells in Overlapping Horizontal and Vertical Substrings/images
- 3530.Maximum Profit from Valid Topological Order in DAG/images
- 3532.Path Existence Queries in a Graph I/images
- 3534.Path Existence Queries in a Graph II/images
- 3535.Unit Conversion II/images
- 3541.Find Most Frequent Vowel and Consonant
- 3543.Maximum Weighted K-Edge Path/images
- 3548.Equal Sum Grid Partition II/images
- 3558.Number of Ways to Assign Edge Weights I/images
- 3559.Number of Ways to Assign Edge Weights II/images
- 3575.Maximum Good Subtree Score/images
- 3585.Find Weighted Median Node in Tree/images
- 3588.Find Maximum Area of a Triangle
- 3590.Kth Smallest Path XOR Sum/images
- 3593.Minimum Increments to Equalize Leaf Paths/images
- 3600-3699
- 3604.Minimum Time to Reach Destination in Directed Graph/images
- 3608.Minimum Time for K Connected Components/images
- 3615.Longest Palindromic Path in Graph/images
- 3619.Count Islands With Total Value Divisible by K/images
- 3620.Network Recovery Pathways/images
- 3625.Count Number of Trapezoids II/images
- 3643.Flip Square Submatrix Vertically/images
- 3652.Best Time to Buy and Sell Stock using Strategy
- 3656.Determine if a Simple Graph Exists/images
- 3659.Partition Array Into K-Distinct Groups
- 3663.Find The Least Frequent Digit
- 3664.Two-Letter Card Game
- 3665.Twisted Mirror Path Count
- 3666.Minimum Operations to Equalize Binary String
- 3667.Sort Array By Absolute Value
- 3668.Restore Finishing Order
- 3669.Balanced K-Factor Decomposition
- 3670.Maximum Product of Two Integers With No Common Bits
- 3671.Sum of Beautiful Subsequences
- 3672.Sum of Weighted Modes in Subarrays
- 3673.Find Zombie Sessions
- 3674.Minimum Operations to Equalize Array
- 3675.Minimum Operations to Transform String
- 3676.Count Bowl Subarrays
- 3677.Count Binary Palindromic Numbers
- 3678.Smallest Absent Positive Greater Than Average
- 3679.Minimum Discards to Balance Inventory
- 3680.Generate Schedule
- 3681.Maximum XOR of Subsequences
- 3682.Minimum Index Sum of Common Elements
- 3683.Earliest Time to Finish One Task
- 3684.Maximize Sum of At Most K Distinct Elements
- 3685.Subsequence Sum After Capping Elements
- 3686.Number of Stable Subsequences
- 3687.Library Late Fee Calculator
- 3688.Bitwise OR of Even Numbers in an Array
- 3689.Maximum Total Subarray Value I
- 3690.Split and Merge Array Transformation
- 3691.Maximum Total Subarray Value II
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