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- lcci/17.21.Volume of Histogram/images
- lcof2
- 剑指 Offer II 026. 重排链表/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
- lcp
- LCP 10. 二叉树任务调度/images
- LCP 21. 追逐游戏/images
- LCP 38. 守卫城堡/images
- LCP 43. 十字路口的交通/images
- LCP 58. 积木拼接/images
- LCP 62. 交通枢纽/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
- lcs/LCS 03. 主题空间/images
- solution
- 0000-0099
- 0042.Trapping Rain Water/images
- 0085.Maximal Rectangle/images
- 0094.Binary Tree Inorder Traversal/images
- 0100-0199
- 0133.Clone Graph/images
- 0143.Reorder List/images
- 0144.Binary Tree Preorder Traversal/images
- 0145.Binary Tree Postorder Traversal/images
- 0200-0299
- 0223.Rectangle Area/images
- 0285.Inorder Successor in BST/images
- 0300-0399
- 0304.Range Sum Query 2D - Immutable/images
- 0314.Binary Tree Vertical Order Traversal/images
- 0351.Android Unlock Patterns/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
- 0457.Circular Array Loop/images
- 0490.The Maze/images
- 0499.The Maze III
- images
- 0500-0599
- 0500.Keyboard Row/images
- 0510.Inorder Successor in BST II/images
- 0533.Lonely Pixel II/images
- 0538.Convert BST to Greater Tree/images
- 0554.Brick Wall/images
- 0559.Maximum Depth of N-ary Tree/images
- 0572.Subtree of Another Tree/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
- 0700-0799/0787.Cheapest Flights Within K Stops/images
- 0800-0899
- 0802.Find Eventual Safe States/images
- 0814.Binary Tree Pruning/images
- 0833.Find And Replace in String/images
- 0900-0999
- 0931.Minimum Falling Path Sum/images
- 0935.Knight Dialer/images
- 0968.Binary Tree Cameras/images
- 0971.Flip Binary Tree To Match Preorder Traversal/images
- 0979.Distribute Coins in Binary Tree/images
- 0988.Smallest String Starting From Leaf/images
- 0993.Cousins in Binary Tree/images
- 0998.Maximum Binary Tree II/images
- 1000-1099
- 1028.Recover a Tree From Preorder Traversal/images
- 1038.Binary Search Tree to Greater Sum Tree/images
- 1056.Confusing Number/images
- 1059.All Paths from Source Lead to Destination/images
- 1080.Insufficient Nodes in Root to Leaf Paths/images
- 1100-1199
- 1110.Delete Nodes And Return Forest/images
- 1135.Connecting Cities With Minimum Cost/images
- 1136.Parallel Courses/images
- 1197.Minimum Knight Moves/images
- 1200-1299
- 1235.Maximum Profit in Job Scheduling/images
- 1240.Tiling a Rectangle with the Fewest Squares/images
- 1252.Cells with Odd Values in a Matrix/images
- 1300-1399
- 1311.Get Watched Videos by Your Friends/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
- 1344.Angle Between Hands of a Clock/images
- 1367.Linked List in Binary Tree/images
- 1377.Frog Position After T Seconds/images
- 1382.Balance a Binary Search Tree/images
- 1400-1499
- 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
- 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
- 1490.Clone N-ary Tree/images
- 1494.Parallel Courses II/images
- 1500-1599
- 1506.Find Root of N-Ary Tree/images
- 1516.Move Sub-Tree of N-Ary Tree/images
- 1518.Water Bottles/images
- 1579.Remove Max Number of Edges to Keep Graph Fully Traversable/images
- 1580.Put Boxes Into the Warehouse II/images
- 1600-1699
- 1609.Even Odd Tree/images
- 1610.Maximum Number of Visible Points/images
- 1634.Add Two Polynomials Represented as Linked Lists/images
- 1666.Change the Root of a Binary Tree/images
- 1700-1799
- 1728.Cat and Mouse II/images
- 1782.Count Pairs Of Nodes/images
- 1786.Number of Restricted Paths From First to Last Node/images
- 1800-1899
- 1801.Number of Orders in the Backlog/images
- 1824.Minimum Sideway Jumps/images
- 1861.Rotating the Box/images
- 1878.Get Biggest Three Rhombus Sums in a Grid/images
- 1900-1999
- 1938.Maximum Genetic Difference Query/images
- 1954.Minimum Garden Perimeter to Collect Enough Apples/images
- 1956.Minimum Time For K Virus Variants to Spread/images
- 1970.Last Day Where You Can Still Cross/images
- 1973.Count Nodes Equal to Sum of Descendants/images
- 1993.Operations on Tree/images
- 2000-2099
- 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
- 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
- 2050.Parallel Courses III/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
- 2078.Two Furthest Houses With Different Colors/images
- 2086.Minimum Number of Food Buckets to Feed the Hamsters/images
- 2093.Minimum Cost to Reach City With Discounts/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
- 2127.Maximum Employees to Be Invited to a Meeting/images
- 2130.Maximum Twin Sum of a Linked List/images
- 2136.Earliest Possible Day of Full Bloom/images
- 2147.Number of Ways to Divide a Long Corridor/images
- 2152.Minimum Number of Lines to Cover Points/images
- 2162.Minimum Cost to Set Cooking Time/images
- 2200-2299
- 2204.Distance to a Cycle in Undirected Graph/images
- 2277.Closest Node to Path in Tree/images
- 2300-2399
- 2368.Reachable Nodes With Restrictions/images
- 2374.Node With Highest Edge Score/images
- 2400-2499
- 2463.Minimum Total Distance Traveled/images
- 2477.Minimum Fuel Cost to Report to the Capital/images
- 2481.Minimum Cuts to Divide a Circle/images
- 2487.Remove Nodes From Linked List/images
- 2493.Divide Nodes Into the Maximum Number of Groups/images
- 2500-2599/2596.Check Knight Tour Configuration/images
- 2600-2699
- 2608.Shortest Cycle in a Graph/images
- 2646.Minimize the Total Price of the Trips/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
- 2737.Find the Closest Marked Node/images
- 2764.Is Array a Preorder of Some Binary Tree/images
- 2773.Height of Special Binary Tree/images
- 2800-2899
- 2812.Find the Safest Path in a Grid/images
- 2814.Minimum Time Takes to Reach Destination Without Drowning/images
- 2846.Minimum Edge Weight Equilibrium Queries in a Tree/images
- 2867.Count Valid Paths in a Tree/images
- 2900-2999
- 2925.Maximum Score After Applying Operations on a Tree/images
- 2973.Find Number of Coins to Place in Tree Nodes/images
- 3000-3099
- 3001.Minimum Moves to Capture The Queen/images
- 3015.Count the Number of Houses at a Certain Distance I/images
- 3017.Count the Number of Houses at a Certain Distance II/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
- 3112.Minimum Time to Visit Disappearing Nodes/images
- 3123.Find Edges in Shortest Paths/images
- 3148.Maximum Difference Score in a Grid/images
- 3200-3299
- 3206.Alternating Groups I/images
- 3208.Alternating Groups II/images
- 3235.Check if the Rectangle Corner Is Reachable/images
- 3241.Time Taken to Mark All Nodes/images
- 3245.Alternating Groups III/images
- 3300-3399
- 3313.Find the Last Marked Nodes in Tree/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
- 3400-3499/3493.Properties Graph/images
- 3500-3599
- 3548.Equal Sum Grid Partition II/images
- 3575.Maximum Good Subtree Score/images
- 3585.Find Weighted Median Node in Tree/images
- 3590.Kth Smallest Path XOR Sum/images
- 3600-3699
- 3615.Longest Palindromic Path in Graph/images
- 3643.Flip Square Submatrix Vertically/images
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