solution/3000-3099/3001.Minimum Moves to Capture The Queen/images/ex2.png |
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solution/2800-2899/2812.Find the Safest Path in a Grid/images/example1.png |
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solution/2800-2899/2812.Find the Safest Path in a Grid/images/example3.png |
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solution/1600-1699/1666.Change the Root of a Binary Tree/images/bt_image_1.png |
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solution/1600-1699/1666.Change the Root of a Binary Tree/images/1727138189-YtDgTf-image.png |
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solution/1700-1799/1782.Count Pairs Of Nodes/images/1614828447-GMnLVg-image.png |
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lcp/LCP 70. 沙地治理/images/1662692503-ncjywh-image.png |
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solution/3200-3299/3203.Find Minimum Diameter After Merging Two Trees/images/example211.png |
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solution/1700-1799/1727.Largest Submatrix With Rearrangements/images/screenshot-2020年12月30日-at-40852-pm.png |
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solution/1400-1499/1444.Number of Ways of Cutting a Pizza/images/ways_to_cut_apple_1.png |
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solution/0400-0499/0427.Construct Quad Tree/images/e2tree.png |
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lcof2/剑指 Offer II 105. 岛屿的最大面积/images/1626667010-nSGPXz-image.png |
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solution/0000-0099/0038.Count and Say/images/1629874763-TGmKUh-image.png |
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solution/0900-0999/0931.Minimum Falling Path Sum/images/1729566253-aneDag-image.png |
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solution/3100-3199/3100.Water Bottles II/images/exampleone1.png |
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solution/0400-0499/0489.Robot Room Cleaner/images/1695782910-iCEGqJ-image.png |
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solution/1200-1299/1263.Minimum Moves to Move a Box to Their Target Location/images/sample_1_1620.png |
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solution/0300-0399/0314.Binary Tree Vertical Order Traversal/images/image3.png |
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solution/1900-1999/1932.Merge BSTs to Create Single BST/images/d2.png |
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solution/2000-2099/2013.Detect Squares/images/image.png |
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solution/0500-0599/0558.Logical OR of Two Binary Grids Represented as Quad-Trees/images/qt2.png |
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solution/0800-0899/0882.Reachable Nodes In Subdivided Graph/images/origfinal.png |
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solution/0900-0999/0909.Snakes and Ladders/images/snakes.png |
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lcp/LCP 75. 传送卷轴/images/1681800985-KrSdru-image.png |
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solution/3100-3199/3100.Water Bottles II/images/example231.png |
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lcof2/剑指 Offer II 013. 二维子矩阵的和/images/1626332422-wUpUHT-image.png |
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solution/0300-0399/0304.Range Sum Query 2D - Immutable/images/1626332422-wUpUHT-image.png |
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solution/0700-0799/0723.Candy Crush/images/candy_crush_example_2.png |
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solution/1700-1799/1765.Map of Highest Peak/images/screenshot-2021年01月11日-at-82050-am.png |
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solution/0500-0599/0558.Logical OR of Two Binary Grids Represented as Quad-Trees/images/qt1.png |
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solution/0400-0499/0457.Circular Array Loop/images/1723688183-lRSkjp-image.png |
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lcp/LCP 26. 导航装置/images/1597996812-tqrgwu-image.png |
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solution/2100-2199/2103.Rings and Rods/images/ex1final.png |
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solution/0400-0499/0457.Circular Array Loop/images/1723688159-qYjpWT-image.png |
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lcp/LCP 71. 集水器/images/1664436082-SibVMv-image.png |
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solution/0800-0899/0858.Mirror Reflection/images/reflection.png |
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solution/0500-0599/0572.Subtree of Another Tree/images/1724998676-cATjhe-image.png |
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solution/1700-1799/1751.Maximum Number of Events That Can Be Attended II/images/screenshot-2021年01月11日-at-60048-pm.png |
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solution/2000-2099/2039.The Time When the Network Becomes Idle/images/quiet-place-example1.png |
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solution/0600-0699/0690.Employee Importance/images/1716170448-dKZffb-image.png |
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solution/0400-0499/0427.Construct Quad Tree/images/e1tree.png |
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solution/3000-3099/3004.Maximum Subtree of the Same Color/images/20231216-134017.png |
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solution/0800-0899/0865.Smallest Subtree with all the Deepest Nodes/images/sketch1.png |
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solution/1100-1199/1123.Lowest Common Ancestor of Deepest Leaves/images/sketch1.png |
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solution/1700-1799/1724.Checking Existence of Edge Length Limited Paths II/images/messed.png |
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solution/2100-2199/2103.Rings and Rods/images/ex2final.png |
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solution/3100-3199/3123.Find Edges in Shortest Paths/images/graph35drawio-1.png |
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solution/0500-0599/0558.Logical OR of Two Binary Grids Represented as Quad-Trees/images/qtr.png |
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solution/1400-1499/1485.Clone Binary Tree With Random Pointer/images/clone_1.png |
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solution/0900-0999/0952.Largest Component Size by Common Factor/images/ex3.png |
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solution/2100-2199/2152.Minimum Number of Lines to Cover Points/images/image-20220123200023-1.png |
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solution/1300-1399/1349.Maximum Students Taking Exam/images/image.png |
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solution/1400-1499/1430.Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree/images/leetcode_testcase_3.png |
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solution/0400-0499/0457.Circular Array Loop/images/1723688199-nhaMuF-image.png |
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solution/1400-1499/1430.Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree/images/leetcode_testcase_2.png |
20.4 KB |
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lcp/LCP 82. 万灵之树/images/1682322894-vfqJIV-image.png |
14.5 KB |
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solution/0100-0199/0101.Symmetric Tree/images/1698026966-JDYPDU-image.png |
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lcp/LCP 38. 守卫城堡/images/1614828208-oFlpVs-image.png |
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images/recommender-fly51fly.png |
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solution/0900-0999/0951.Flip Equivalent Binary Trees/images/tree_ex.png |
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solution/0800-0899/0863.All Nodes Distance K in Binary Tree/images/sketch0.png |
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solution/0800-0899/0872.Leaf-Similar Trees/images/tree.png |
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solution/1500-1599/1518.Water Bottles/images/sample_2_1875.png |
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lcp/LCP 38. 守卫城堡/images/1614828255-uuNdNJ-image.png |
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solution/0600-0699/0690.Employee Importance/images/1716170929-dkWpra-image.png |
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solution/1400-1499/1430.Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree/images/leetcode_testcase_1.png |
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solution/1900-1999/1954.Minimum Garden Perimeter to Collect Enough Apples/images/1627790803-qcBKFw-image.png |
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solution/1900-1999/1954.Minimum Garden Perimeter to Collect Enough Apples/images/1527_example_1_2.png |
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solution/0500-0599/0576.Out of Boundary Paths/images/out_of_boundary_paths_2.png |
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solution/2300-2399/2385.Amount of Time for Binary Tree to Be Infected/images/image-20220625231744-1.png |
14.4 KB |
13.4 KB |
6.9% |
lcp/LCP 54. 夺回据点/images/1648706944-KJstUN-image.png |
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solution/1300-1399/1334.Find the City With the Smallest Number of Neighbors at a Threshold Distance/images/problem1334example0.png |
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solution/1600-1699/1660.Correct a Binary Tree/images/ex2v3.png |
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solution/2100-2199/2101.Detonate the Maximum Bombs/images/desmos-eg-3.png |
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lcp/LCP 38. 守卫城堡/images/1614828242-oveClu-image.png |
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solution/1700-1799/1765.Map of Highest Peak/images/screenshot-2021年01月11日-at-82045-am.png |
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solution/1900-1999/1924.Erect the Fence II/images/trees1.png |
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8.8 KB |
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lcp/LCP 60. 力扣泡泡龙/images/1648180769-TLpYop-image.png |
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solution/3100-3199/3148.Maximum Difference Score in a Grid/images/moregridsdrawio-1.png |
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solution/2900-2999/2973.Find Number of Coins to Place in Tree Nodes/images/screenshot-2023年11月10日-012614.png |
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images/leetcode-doocs.png |
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solution/3100-3199/3148.Maximum Difference Score in a Grid/images/grid1.png |
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solution/0800-0899/0894.All Possible Full Binary Trees/images/fivetrees.png |
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solution/2000-2099/2077.Paths in Maze That Lead to Same Room/images/image-20211114164827-1.png |
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solution/0400-0499/0499.The Maze III/maze_2_example_1.png |
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solution/0400-0499/0490.The Maze/images/maze_2_example_1.png |
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lcp/LCP 35. 电动车游城市/images/1616125304-mzVxIV-image.png |
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solution/0500-0599/0533.Lonely Pixel II/images/1694957806-FyCCMF-image.png |
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solution/1800-1899/1824.Minimum Sideway Jumps/images/ic234-q3-ex2.png |
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solution/2400-2499/2498.Frog Jump II/images/example-1.png |
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solution/2000-2099/2086.Minimum Number of Food Buckets to Feed the Hamsters/images/example2.png |
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lcp/LCP 71. 集水器/images/1664424855-dwpUHO-image.png |
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solution/2700-2799/2773.Height of Special Binary Tree/images/1.png |
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solution/2000-2099/2086.Minimum Number of Food Buckets to Feed the Hamsters/images/example1.png |
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solution/1800-1899/1824.Minimum Sideway Jumps/images/ic234-q3-ex1.png |
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solution/0900-0999/0994.Rotting Oranges/images/oranges.png |
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solution/3100-3199/3111.Minimum Rectangles to Cover Points/images/screenshot-from-2024年03月04日-20-33-05.png |
3.5 KB |
2.7 KB |
22.0% |
lcp/LCP 38. 守卫城堡/images/1614828218-sIAYkb-image.png |
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solution/0100-0199/0101.Symmetric Tree/images/1698027008-nPFLbM-image.png |
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solution/0500-0599/0576.Out of Boundary Paths/images/out_of_boundary_paths_1.png |
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solution/3000-3099/3004.Maximum Subtree of the Same Color/images/20231216-134026.png |
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solution/0400-0499/0499.The Maze III/maze_2_example_2.png |
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lcof2/剑指 Offer II 107. 矩阵中的距离/images/1626667205-xFxIeK-image.png |
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solution/0500-0599/0542.01 Matrix/images/1626667205-xFxIeK-image.png |
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solution/0400-0499/0499.The Maze III/images/maze_2_example_2.png |
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solution/0400-0499/0490.The Maze/images/maze_2_example_2.png |
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solution/1500-1599/1518.Water Bottles/images/sample_1_1875.png |
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solution/2800-2899/2852.Sum of Remoteness of All Cells/images/2.png |
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solution/3300-3399/3373.Maximize the Number of Target Nodes After Connecting Trees II/images/3982-1.png |
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solution/3300-3399/3372.Maximize the Number of Target Nodes After Connecting Trees I/images/3982-1.png |
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solution/2400-2499/2498.Frog Jump II/images/example-2.png |
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solution/1100-1199/1145.Binary Tree Coloring Game/images/1480-binary-tree-coloring-game.png |
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lcof/lcof.png |
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solution/1300-1399/1325.Delete Leaves With a Given Value/images/sample_1_1684.png |
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7.9% |
solution/1900-1999/1970.Last Day Where You Can Still Cross/images/3.png |
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solution/1800-1899/1824.Minimum Sideway Jumps/images/ic234-q3-ex3.png |
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solution/3000-3099/3061.Calculate Trapping Rain Water/images/trapping_rain_water.png |
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solution/1100-1199/1104.Path In Zigzag Labelled Binary Tree/images/tree.png |
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solution/2600-2699/2689.Extract Kth Character From The Rope Tree/images/example1.png |
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solution/2300-2399/2374.Node With Highest Edge Score/images/image-20220620200212-3.png |
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solution/1800-1899/1823.Find the Winner of the Circular Game/images/ic234-q2-ex11.png |
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lcp/LCP 42. 玩具套圈/images/1629194140-ydKiGF-image.png |
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solution/2300-2399/2374.Node With Highest Edge Score/images/image-20220620195403-1.png |
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solution/0900-0999/0999.Available Captures for Rook/images/1253_example_2_improved.png |
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solution/1000-1099/1080.Insufficient Nodes in Root to Leaf Paths/images/insufficient-3.png |
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6.7% |
solution/1600-1699/1609.Even Odd Tree/images/sample_1_333_1966.png |
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lcp/LCP 60. 力扣泡泡龙/images/1648180809-XSWPLu-image.png |
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8.0 KB |
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solution/2000-2099/2055.Plates Between Candles/images/ex-2.png |
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solution/1400-1499/1463.Cherry Pickup II/images/sample_1_1802.png |
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solution/3500-3599/3528.Unit Conversion I/images/1745660099-FZhVTM-example1.png |
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solution/1300-1399/1334.Find the City With the Smallest Number of Neighbors at a Threshold Distance/images/find_the_city_02.png |
10.1 KB |
9.6 KB |
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lcp/LCP 34. 二叉树染色/images/1616126267-BqaCRj-image.png |
6.3 KB |
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8.7% |
solution/2600-2699/2689.Extract Kth Character From The Rope Tree/images/example2.png |
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9.1 KB |
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lcp/LCP 70. 沙地治理/images/1662692397-VlvErS-image.png |
9.1 KB |
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solution/0900-0999/0979.Distribute Coins in Binary Tree/images/tree4.png |
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solution/1400-1499/1443.Minimum Time to Collect All Apples in a Tree/images/min_time_collect_apple_2.png |
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solution/2400-2499/2493.Divide Nodes Into the Maximum Number of Groups/images/example1.png |
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solution/2100-2199/2136.Earliest Possible Day of Full Bloom/images/2.png |
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solution/3000-3099/3068.Find the Maximum Sum of Node Values/images/screenshot-2023年11月10日-012513.png |
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solution/2900-2999/2973.Find Number of Coins to Place in Tree Nodes/images/screenshot-2023年11月10日-012513.png |
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9.5% |
solution/1500-1599/1537.Get the Maximum Score/images/sample_1_1893.png |
6.2 KB |
5.7 KB |
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lcp/LCP 76. 魔法棋盘/images/1681714583-unbRox-image.png |
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solution/1300-1399/1339.Maximum Product of Splitted Binary Tree/images/sample_2_1699.png |
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solution/1400-1499/1443.Minimum Time to Collect All Apples in a Tree/images/min_time_collect_apple_1.png |
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II/images/screenshot-2024年05月28日-182844.pngsolution/1300-1399/1372.Longest ZigZag Path in a Binary Tree/images/sample_1_1702.pngsolution/2100-2199/2136.Earliest Possible Day of Full Bloom/images/1.pngsolution/1900-1999/1902.Depth of BST Given Insertion Order/images/1.pngsolution/1400-1499/1437.Check If All 1's Are at Least Length K Places Away/images/sample_1_1791.pngsolution/1300-1399/1311.Get Watched Videos by Your Friends/images/leetcode_friends_1.pngsolution/2100-2199/2147.Number of Ways to Divide a Long Corridor/images/2.pnglcof2/剑指 Offer II 098. 路径的数目/images/robot_maze.pnglcci/08.02.Robot in a Grid/images/robot_maze.pngsolution/0000-0099/0062.Unique Paths/images/robot_maze.pngsolution/0000-0099/0062.Unique Paths/images/1697422740-adxmsI-image.pngsolution/1300-1399/1377.Frog Position After T Seconds/images/frog_3.pngsolution/1400-1499/1424.Diagonal Traverse II/images/sample_2_1784.pngsolution/2600-2699/2689.Extract Kth Character From The Rope Tree/images/example3.pngsolution/1400-1499/1457.Pseudo-Palindromic Paths in a Binary Tree/images/palindromic_paths_2.pngsolution/1900-1999/1973.Count Nodes Equal to Sum of Descendants/images/screenshot-2021年08月17日-at-17-23-53-diagram-drawio-diagrams-net.pngsolution/1200-1299/1235.Maximum Profit in Job Scheduling/images/sample1_1584.pngsolution/1400-1499/1478.Allocate Mailboxes/images/sample_2_1816.pngsolution/2400-2499/2481.Minimum Cuts to Divide a Circle/images/alldrawio.pnglcs/LCS 03. 主题空间/images/1613707985-KJyiXJ-image.pngsolution/2700-2799/2773.Height of Special Binary Tree/images/2.pngsolution/2400-2499/2467.Most Profitable Path in a Tree/images/eg1.pngsolution/0300-0399/0364.Nested List Weight Sum II/images/nestedlistweightsumiiex1.pngsolution/3200-3299/3208.Alternating Groups II/images/screenshot-2024年05月28日-184516.pngsolution/2100-2199/2181.Merge Nodes in Between Zeros/images/ex1-1.pngsolution/2100-2199/2130.Maximum Twin Sum of a Linked List/images/eg2drawio.pngsolution/0300-0399/0364.Nested List Weight Sum II/images/nestedlistweightsumiiex2.pngsolution/2400-2499/2481.Minimum Cuts to Divide a Circle/images/22drawio.pngsolution/2100-2199/2147.Number of Ways to Divide a Long Corridor/images/1.pngsolution/1200-1299/1235.Maximum Profit in Job Scheduling/images/sample3_1584.pngsolution/1600-1699/1610.Maximum Number of Visible Points/images/5010bfd3-86e6-465f-ac64-e9df941d2e49.pngsolution/2000-2099/2005.Subtree Removal Game with Fibonacci Tree/images/image-20210914173425-1.pngsolution/2100-2199/2141.Maximum Running Time of N Computers/images/example2.pngsolution/2400-2499/2497.Maximum Star Sum of a Graph/images/max-star-sum-example1drawio.pngsolution/2100-2199/2130.Maximum Twin Sum of a Linked List/images/eg1drawio.pngsolution/2400-2499/2481.Minimum Cuts to Divide a Circle/images/11drawio.pngsolution/1900-1999/1902.Depth of BST Given Insertion Order/images/2.pngsolution/2000-2099/2035.Partition Array Into Two Arrays to Minimize Sum Difference/images/ex1.pngsolution/2100-2199/2106.Maximum Fruits Harvested After at Most K Steps/images/2.pngsolution/2000-2099/2003.Smallest Missing Genetic Value in Each Subtree/images/case-2.pngsolution/2000-2099/2002.Maximum Product of the Length of Two Palindromic Subsequences/images/case-2.pngsolution/1400-1499/1437.Check If All 1's Are at Least Length K Places Away/images/sample_2_1791.pngsolution/2000-2099/2087.Minimum Cost Homecoming of a Robot in a Grid/images/eg-1.pngsolution/0900-0999/0971.Flip Binary Tree To Match Preorder Traversal/images/1219-01.pngsolution/1400-1499/1494.Parallel Courses II/images/leetcode_parallel_courses_2.pngsolution/3200-3299/3208.Alternating Groups II/images/screenshot-2024年05月28日-182448.pngsolution/1300-1399/1311.Get Watched Videos by Your Friends/images/leetcode_friends_2.pngsolution/2000-2099/2056.Number of Valid Move Combinations On Chessboard/images/a3.pngsolution/2300-2399/2385.Amount of Time for Binary Tree to Be Infected/images/image-20220625231812-2.pngsolution/2800-2899/2867.Count Valid Paths in a Tree/images/example1.pngsolution/0100-0199/0145.Binary Tree Postorder Traversal/images/screenshot-2024年08月29日-202743.pngsolution/0100-0199/0144.Binary Tree Preorder Traversal/images/screenshot-2024年08月29日-202743.pngsolution/0000-0099/0094.Binary Tree Inorder Traversal/images/screenshot-2024年08月29日-202743.pnglcof2/剑指 Offer II 027. 回文链表/images/1626421737-LjXceN-image.pngsolution/2000-2099/2055.Plates Between Candles/images/ex-1.pngsolution/0900-0999/0993.Cousins in Binary Tree/images/q1248-02.pngsolution/1400-1499/1494.Parallel Courses II/images/leetcode_parallel_courses_1.pngsolution/1400-1499/1466.Reorder Routes to Make All Paths Lead to the City Zero/images/sample_2_1819.pngsolution/2000-2099/2014.Longest Subsequence Repeated k Times/images/longest-subsequence-repeat-k-times.pngsolution/2000-2099/2035.Partition Array Into Two Arrays to Minimize Sum Difference/images/ex3.pngsolution/2100-2199/2106.Maximum Fruits Harvested After at Most K Steps/images/3.pngsolution/1900-1999/1943.Describe the Painting/images/1.pngsolution/1000-1099/1080.Insufficient Nodes in Root to Leaf Paths/images/screen-shot-2019年06月11日-at-83517-pm.pngsolution/0300-0399/0356.Line Reflection/images/356_example_1.pngsolution/2500-2599/2538.Difference Between Maximum and Minimum Price Sum/images/p1_example2.pngsolution/3200-3299/3208.Alternating Groups II/images/screenshot-2024年05月28日-183519.pngsolution/2000-2099/2002.Maximum Product of the Length of Two Palindromic Subsequences/images/two-palindromic-subsequences.pngsolution/2100-2199/2147.Number of Ways to Divide a Long Corridor/images/3.pngsolution/1300-1399/1373.Maximum Sum BST in Binary Tree/images/sample_2_1709.pngsolution/2000-2099/2078.Two Furthest Houses With Different Colors/images/eg1.pngsolution/3200-3299/3235.Check if the Rectangle Corner Is Reachable/images/example0circle.pngsolution/1400-1499/1448.Count Good Nodes in Binary Tree/images/test_sample_1.pngsolution/2000-2099/2074.Reverse Nodes in Even Length Groups/images/eg2.pngsolution/0300-0399/0339.Nested List Weight Sum/images/nestedlistweightsumex2.pngsolution/2400-2499/2467.Most Profitable Path in a Tree/images/eg2.pngsolution/2000-2099/2074.Reverse Nodes in Even Length Groups/images/eg3.pngsolution/1500-1599/1564.Put Boxes Into the Warehouse I/images/22.pngsolution/2000-2099/2096.Step-By-Step Directions From a Binary Tree Node to Another/images/eg2.pngsolution/1400-1499/1401.Circle and Rectangle Overlapping/images/sample_4_1728.pngsolution/3000-3099/3017.Count the Number of Houses at a Certain Distance II/images/example2.pngsolution/3000-3099/3015.Count the Number of Houses at a Certain Distance I/images/example2.pngsolution/1200-1299/1254.Number of Closed Islands/images/sample_3_1610.pngsolution/0900-0999/0968.Binary Tree Cameras/images/bst_cameras_01.pngsolution/0900-0999/0998.Maximum Binary Tree II/images/maximum-binary-tree-3-1.pngsolution/2000-2099/2095.Delete the Middle Node of a Linked List/images/eg3drawio.pngsolution/1500-1599/1580.Put Boxes Into the Warehouse II/images/22-1.pngsolution/1900-1999/1905.Count Sub Islands/images/test1.pngsolution/2000-2099/2030.Smallest K-Length Subsequence With Occurrences of a Letter/images/smallest-k-length-subsequence.pngsolution/1100-1199/1120.Maximum Average Subtree/images/1308_example_1.pngsolution/2000-2099/2039.The Time When the Network Becomes Idle/images/network_a_quiet_place_2.pngsolution/2000-2099/2049.Count Nodes With the Highest Score/images/example-2.pngsolution/1500-1599/1580.Put Boxes Into the Warehouse II/images/22.pngsolution/2100-2199/2123.Minimum Operations to Remove Adjacent Ones in Matrix/images/image-20211223181817-3.pngsolution/2500-2599/2509.Cycle Length Queries in a Tree/images/aexample2.pngsolution/2000-2099/2018.Check if Word Can Be Placed In Crossword/images/crossword-ex2-1.pngsolution/1900-1999/1905.Count Sub Islands/images/testcasex2.pngsolution/2400-2499/2477.Minimum Fuel Cost to Report to the Capital/images/efcf7f7be6830b8763639cfd01b690a.pngsolution/1800-1899/1857.Largest Color Value in a Directed Graph/images/leet2.pngsolution/1600-1699/1602.Find Nearest Right Node in Binary Tree/images/p2.pngsolution/1100-1199/1136.Parallel Courses/images/1316_ex1.pnglcof2/剑指 Offer II 053. 二叉搜索树中的中序后继/images/285_example_1.pngsolution/0500-0599/0510.Inorder Successor in BST II/images/285_example_1.pngsolution/0200-0299/0285.Inorder Successor in BST/images/285_example_1.pngsolution/2200-2299/2267.Check if There Is a Valid Parentheses String Path/images/example2drawio.pngsolution/2100-2199/2120.Execution of All Suffix Instructions Staying in a Grid/images/3.pngsolution/1200-1299/1240.Tiling a Rectangle with the Fewest Squares/images/sample_11_1592.png1816 images did not require optimisation.