小明MaxMing

题目 题解 难度
1 LeetCode 1 Two Sum (Python) Easy
3 LeetCode 3 Longest Substring Without Repeating Characters (Python) Medium
5 LeetCode 5 Longest Palindromic Substring (Python) Medium
8 LeetCode 8 String to Integer (atoi) (Python) Medium
11 LeetCode 11 Container With Most Water (Python) Medium
12 LeetCode 12 Integer to Roman (Python) Medium
13 LeetCode 13 Roman to Integer (Python) Medium
14 LeetCode 14 Longest Common Prefix (Python) Easy
15 LeetCode 15 3Sum (Python) Medium
17 LeetCode 17 Letter Combinations of a Phone Number (Python) Medium
19 LeetCode 19 Remove Nth Node From End of List (Python) Medium
20 LeetCode 20 Valid Parentheses (Python) Easy
21 LeetCode 21 Merge Two Sorted Lists (Python) Easy
23 LeetCode 23 Merge k Sorted Lists (Python) Hard
24 LeetCode 24 Swap Nodes in Pairs (Python) Medium
31 LeetCode 31 Next Permutation (Python) Medium
32 LeetCode 32 Longest Valid Parentheses (Python) Hard
33 LeetCode 33 Search in Rotated Sorted Array (Python) Medium
35 LeetCode 35 Search Insert Position (Introduce python bisect) (Python) Easy
36 LeetCode 36 Valid Sudoku (Python) Medium
39 LeetCode 39 Combination Sum (Python) Medium
41 LeetCode 41 First Missing Positive (Python) Hard
45 LeetCode 45 Jump Game II (Python) Medium
48 LeetCode 48 Rotate Image (Python) Medium
49 LeetCode 49 Group Anagrams (Python) Medium
50 LeetCode 50 Pow(x, n) (Python) Medium
53 LeetCode 53 Maximum Subarray (Python) Easy
55 LeetCode 55 Jump Game (Python) Medium
56 LeetCode 56 Merge Intervals (Python) Medium
57 LeetCode 57 Insert Interval (Python) Hard
58 LeetCode 58 Length of Last Word (Python) Easy
59 LeetCode 59 Spiral Matrix II (Python) Medium
60 LeetCode 60 Permutation Sequence (Python) Medium
61 LeetCode 61 Rotate List (Python) Medium
62 LeetCode 62 Unique Paths (Python) Medium
63 LeetCode 63 Unique Paths II (Python) Medium
64 LeetCode 64 Minimum Path Sum (Python) Medium
65 LeetCode 65 Valid Number (Python) Hard
66 LeetCode 66 Plus One (Python) Easy
67 LeetCode 67 Add Binary (Python) Easy
68 LeetCode 68 Text Justification (Python) Hard
70 LeetCode 70 Climbing Stairs (Python) Easy
71 LeetCode 71 Simplify Path (Python) Medium
72 LeetCode 72 Edit Distance (Python) Hard
73 LeetCode 73 Set Matrix Zeroes (Python) Medium
74 LeetCode 74 Search a 2D Matrix (Python)
75 LeetCode 75 Sort Colors (Python) Medium
76 LeetCode 76 Minimum Window Substring (Python) Hard
78 LeetCode 78 Subsets (Python) Medium
79 LeetCode 79 Word Search (Python) Medium
80 LeetCode 80 Remove Duplicates from Sorted Array II (Python) Medium
84 LeetCode 84 Largest Rectangle in Histogram (Python) Hard
87 LeetCode 87 Scramble String (Python) Hard
88 LeetCode 88 Merge Sorted Array (Python) Easy
90 LeetCode 90 Subsets II (Python) Medium
91 LeetCode 91 Decode Ways (Python) Medium
94 LeetCode 94 Binary Tree Inorder Traversal (Python) Easy
95 LeetCode 95 Unique Binary Search Trees II (Python) Easy
96 LeetCode 96 Unique Binary Search Trees (Python) Medium
98 LeetCode 98 Validate Binary Search Tree (Python) Medium
100 LeetCode 100 Same Tree (Python) Easy
103 LeetCode 103 Binary Tree Zigzag Level Order Traversal (Python) Medium
104 LeetCode 104 Maximum Depth of Binary Tree (Python) Easy
106 LeetCode 106 Construct Binary Tree from Inorder and Postorder Traversal (Python) Medium
107 LeetCode 107 Binary Tree Level Order Traversal II (Python) Easy
110 LeetCode 110 Balanced Binary Tree (Python) Medium
111 LeetCode 111 Minimum Depth of Binary Tree (Python) Easy
113 LeetCode 113 Path Sum II (Python) Medium
117 LeetCode 117 Populating Next Right Pointers in Each Node II (Python) Medium
119 LeetCode 119 Pascal's Triangle II (Python) Easy
120 LeetCode 120 Triangle (Python) Medium
121 LeetCode 121 Best Time to Buy and Sell Stock (Python) Easy
122 LeetCode 122 Best Time to Buy and Sell Stock II (Python) Easy
123 LeetCode 123 Best Time to Buy and Sell Stock III (Python) Hard
124 LeetCode 124 Binary Tree Maximum Path Sum (Python) Hard
125 LeetCode 125 Valid Palindrome (Python) Easy
126 LeetCode 126 Word Ladder II (Python) Hard
127 LeetCode 127 Word Ladder (Python) Hard
128 LeetCode 128 Longest Consecutive Sequence (Python) Medium
129 LeetCode 129 Sum Root to Leaf Numbers (Python) Medium
130 LeetCode 130 Surrounded Regions (Python) Medium
132 LeetCode 132 Palindrome Partitioning II (Python) Hard
133 LeetCode 133 Clone Graph (Python) Medium
134 LeetCode 134 Gas Station (Python) Medium
136 LeetCode 136 Single Number (Python) Easy
137 LeetCode 137 Single Number II (Python) Medium
138 LeetCode 138 Copy List with Random Pointer (Python) Medium
139 LeetCode 139 Word Break (Python) Medium
140 LeetCode 140 Word Break II (Python) Hard
141 LeetCode 141 Linked List Cycle (Python) Easy
142 LeetCode 142 Linked List Cycle II (Python) Medium
143 LeetCode 143 Reorder List (Python) Medium
144 LeetCode 144 Binary Tree Preorder Traversal (Python) Easy
145 LeetCode 145 Binary Tree Postorder Traversal (Python) Easy
147 LeetCode 147 Insertion Sort List (Python) Medium
148 LeetCode 148 Sort List (Python) Medium
151 LeetCode 151 Reverse Words in a String (Python) Medium
152 LeetCode 152 Maximum Product Subarray (Python) Medium
153 LeetCode 153 Find Minimum in Rotated Sorted Array (Python) Medium
154 LeetCode 154 Find Minimum in Rotated Sorted Array II (Python) Hard
155 LeetCode 155 Min Stack (Python) Easy
160 LeetCode 160 Intersection of Two Linked Lists (Python) Easy
162 LeetCode 162 Find Peak Element (Python) Medium
163 LeetCode 163 Missing Ranges (Python) Easy
165 LeetCode 165 Compare Version Numbers (Python) Medium
169 LeetCode 169 Majority Element (Python) Easy
171 LeetCode 171 Excel Sheet Column Number (Python) Easy
173 LeetCode 173 Binary Search Tree Iterator (Python) Medium
174 LeetCode 174 Dungeon Game (Python) Hard
179 LeetCode 179 Largest Number (Python) Medium
187 LeetCode 187 Repeated DNA Sequences (Python) Medium
188 LeetCode LeetCode 每日一题 Daily Challenge 188 Best Time to Buy and Sell Stock IV (Python) Hard
189 LeetCode 189 Rotate Array (Python) Medium
190 LeetCode 190 Reverse Bits (Python) Easy
191 LeetCode 191 Number of 1 Bits (Python) Easy
198 LeetCode 198 House Robber (Python) Easy
199 LeetCode 199 Binary Tree Right Side View (Python) Medium
200 LeetCode 200 Number of Islands (Python) Medium
201 LeetCode 201 Bitwise AND of Numbers Range (Python) Medium
202 LeetCode 202 Happy Number (Python) Easy
203 LeetCode 203 Remove Linked List Elements (Python) Easy
205 LeetCode 205 Isomorphic Strings (Python) Easy
206 LeetCode 206 Reverse Linked List (Python) Easy
207 LeetCode 207 Course Schedule (Python) Medium
208 LeetCode 208 Implement Trie (Prefix Tree) (Python) Medium
209 LeetCode 309 Best Time to Buy and Sell Stock with Cooldown (Python) Medium
210 LeetCode 210 Course Schedule II (Python) Medium
211 LeetCode 211 Add and Search Word - Data structure design (Python) Medium
212 LeetCode 212 Word Search II (Python) Hard
213 LeetCode 213 House Robber II (Python) Medium
215 LeetCode 215 Kth Largest Element in an Array (Python) Medium
216 LeetCode 216 Combination Sum III (Python) Medium
220 LeetCode 220 Contains Duplicate III (Python) Medium
221 LeetCode 221 Maximal Square (Python) Medium
222 LeetCode 222 Count Complete Tree Nodes (Python) Medium
224 LeetCode 224 Basic Calculator (Python) Hard
226 LeetCode 226 Invert Binary Tree (Python) Easy
227 LeetCode 227 Basic Calculator II (Python) Medium
228 LeetCode 228 Summary Ranges (Python) Easy
229 LeetCode 229 Majority Element II (Python) Medium
230 LeetCode 230 Kth Smallest Element in a BST (Python) Medium
231 LeetCode 231 Power of Two (Python) Easy
236 LeetCode 236 Lowest Common Ancestor of a Binary Tree (Python) Medium
237 LeetCode 237 Delete Node in a Linked List (Python) Easy
238 LeetCode 238 Product of Array Except Self (Python) Medium
239 LeetCode 239 Sliding Window Maximum (Python) Hard
242 LeetCode 242 Valid Anagram (Python) Easy
249 LeetCode 249 Group Shifted Strings (Python) Medium
258 LeetCode 258 Add Digits (Python) Easy
260 LeetCode 260 Single Number III (Python) Medium
264 LeetCode 264 Ugly Number II (Python) Medium
268 LeetCode 268 Missing Number (Python) Easy
270 LeetCode 270 Closest Binary Search Tree Value (Python) Easy
274 LeetCode 274 H-Index (Python) Medium
275 LeetCode 275 H-Index II (Python) Medium
278 LeetCode 278 First Bad Version (Python) Easy
279 LeetCode 279 Perfect Squares (Python) Medium
283 LeetCode 283 Move Zeroes (Python) Easy
284 LeetCode 284 Peeking Iterator (Python) Medium
287 LeetCode 287 Find the Duplicate Number (Python) Medium
289 LeetCode 289 Game of Life (Python) Medium
290 LeetCode 290 Word Pattern (Python) Easy
299 LeetCode 299 Bulls and Cows (Python) Easy
303 LeetCode 303 Range Sum Query - Immutable (Python) Easy
304 LeetCode 304 Range Sum Query 2D - Immutable (Python) Medium
310 LeetCode 310 Minimum Height Trees (Python) Medium
312 LeetCode 312 Burst Balloons (Python) Hard
314 LeetCode 314 Binary Tree Vertical Order Traversal (Python) Medium
316 LeetCode 316 Remove Duplicate Letters (Python) Medium
319 LeetCode 319 Bulb Switcher (Python) Medium
322 LeetCode 322 Coin Change (Python) Medium
326 LeetCode 326 Power of Three (Python) Easy
328 LeetCode 328 Odd Even Linked List (Python) Medium
329 LeetCode 329 Longest Increasing Path in a Matrix (Python) Medium
332 LeetCode 332 Reconstruct Itinerary (Python) Medium
334 LeetCode 334 Increasing Triplet Subsequence (Python) Medium
337 LeetCode 337 House Robber III (Python) Medium
338 LeetCode 338 Counting Bits (Python) Medium
339 LeetCode 339 Nested List Weight Sum (Python) Medium
342 LeetCode 342 Power of Four (Python) Easy
344 LeetCode 344 Reverse String (Python) Easy
346 LeetCode 346 Moving Average from Data Stream (Python) Easy
347 LeetCode 347 Top K Frequent Elements (Python) Medium
348 LeetCode 348 Design Tic-Tac-Toe (Python) Medium
350 LeetCode 350 Intersection of Two Arrays II (Python) Easy
359 LeetCode 359 Logger Rate Limiter (Python) Easy
367 LeetCode 367 Valid Perfect Square (Python) Easy
368 LeetCode 368 Largest Divisible Subset (Python) Medium
376 LeetCode 376 Wiggle Subsequence (Python) Medium
377 LeetCode 377 Combination Sum IV (Python) Medium
380 LeetCode 380 Insert Delete GetRandom O(1) (Python) Medium
382 LeetCode 382 Linked List Random Node (Python) Medium
383 LeetCode 383 Ransom Note (Python) Easy
387 LeetCode 387 First Unique Character in a String (Python) Easy
389 LeetCode 389 Find the Difference (Python) Easy
392 LeetCode 392 Is Subsequence (With Follow up) (Python) Easy
394 LeetCode 394 Decode String (Python) Medium
395 LeetCode 395 Longest Substring with At Least K Repeating Characters (Python) Medium
399 LeetCode 399 Evaluate Division (Python) Medium
402 LeetCode 402 Remove K Digits (Python) Medium
404 LeetCode 404 Sum of Left Leaves (Python) Easy
406 LeetCode 406 Queue Reconstruction by Height (Python) Medium
408 LeetCode 408 Valid Word Abbreviation (Python) Easy
409 LeetCode 409 Longest Palindrome (Python) Easy
412 LeetCode 412 Fizz Buzz (Python) Easy
413 LeetCode 413 Arithmetic Slices (Python) Medium
415 LeetCode 415 Add Strings (Python) Easy
416 LeetCode 416 Partition Equal Subset Sum (Python) Medium
417 LeetCode 417 Pacific Atlantic Water Flow (Python) Medium
421 LeetCode 421 Maximum XOR of Two Numbers in an Array (Python) Medium
423 LeetCode 423 Reconstruct Original Digits from English (Python) Medium
429 LeetCode 429 N-ary Tree Level Order Traversal (Python) Medium
430 LeetCode 430 Flatten a Multilevel Doubly Linked List (Python) Medium
435 LeetCode 435 Non-overlapping Intervals (Python) Medium
436 LeetCode 436 Find Right Interval (Python) Medium
437 LeetCode 437 Path Sum III (Python) Medium
438 LeetCode 438 Find All Anagrams in a String (Python) Medium
441 LeetCode 441 Arranging Coins (Python) Easy
442 LeetCode 442 Find All Duplicates in an Array (Python) Medium
445 LeetCode 445 Add Two Numbers II (Python) Medium
449 LeetCode 449 Serialize and Deserialize BST (Python) Medium
450 LeetCode 450 Delete Node in a BST (Python) Medium
451 LeetCode 451 Sort Characters By Frequency (Python) Medium
452 LeetCode 452 Minimum Number of Arrows to Burst Balloons (Python) Medium
454 LeetCode 454 4Sum II (Python) Medium
456 LeetCode 456 132 Pattern (Python) Medium
458 LeetCode 458 Poor Pigs (Python) Hard
459 LeetCode 459 Repeated Substring Pattern (Python) Easy
461 LeetCode 461 Hamming Distance (Python) Easy
463 LeetCode 463 Island Perimeter (Python) Easy
468 LeetCode 468 Validate IP Address (Python) Medium
470 LeetCode 470 Implement Rand10() Using Rand7() (Python) Medium
476 LeetCode 476 Number Complement (Python) Easy
478 LeetCode 478 Generate Random Point in a Circle (Python) Medium
484 LeetCode 484 Find Permutation (Python) Medium
485 LeetCode 485 Max Consecutive Ones (Python) Easy
490 LeetCode 490 The Maze (Python) Medium
495 LeetCode 495 Teemo Attacking (Python) Medium
496 LeetCode 496 Next Greater Element I (Python) Easy
497 LeetCode 497 Random Point in Non-overlapping Rectangles (Python) Medium
498 LeetCode 498 Diagonal Traverse (Python) Medium
502 LeetCode 502 IPO (Python) Hard
509 LeetCode 509 Fibonacci Number (Python) Easy
518 LeetCode 518 Coin Change 2 (Python) Medium
520 LeetCode 520 Detect Capital (Python) Easy
525 LeetCode 525 Contiguous Array (Python) Medium
526 LeetCode 526 Beautiful Arrangement (Python) Medium
528 LeetCode 528 Random Pick with Weight (Python) Medium
532 LeetCode 532 K-diff Pairs in an Array (Python) Medium
537 LeetCode 537 Complex Number Multiplication (Python) Medium
538 LeetCode 538 Convert BST to Greater Tree (Python) Medium
539 LeetCode 539 Minimum Time Difference (Python) Medium
540 LeetCode 540 Single Element in a Sorted Array (Python) Medium
543 LeetCode 543 Diameter of Binary Tree (Python) Easy
547 LeetCode 547 Number of Provinces (Python) Medium
554 LeetCode 554 Brick Wall (Python) Medium
556 LeetCode 556 Next Greater Element III (Python) Medium
560 LeetCode 560 Subarray Sum Equals K (Python) Medium
563 LeetCode 563 Binary Tree Tilt (Python) Easy
567 LeetCode 567 Permutation in String (Python) Medium
575 LeetCode 575 Distribute Candies (Python) Easy
581 LeetCode 581 Shortest Unsorted Continuous Subarray (Python) Medium
589 LeetCode 589 N-ary Tree Preorder Traversal (Python) Easy
593 LeetCode 593 Valid Square (Python) Medium
594 LeetCode 594 Longest Harmonious Subsequence (Python) Easy
605 LeetCode 605 Can Place Flowers (Python) Easy
616 LeetCode 616 Add Bold Tag in String (Python) Medium
621 LeetCode 621 Task Scheduler (Python) Medium
622 LeetCode 622 Design Circular Queue (Python) Medium
623 LeetCode 623 Add One Row to Tree (Python) Medium
633 LeetCode 633 Sum of Square Numbers (Python) Medium
635 LeetCode 653 Two Sum IV - Input is a BST (Python) Easy
637 LeetCode 637 Average of Levels in Binary Tree (Python) Easy
645 LeetCode 645 Set Mismatch (Python) Easy
647 LeetCode 647 Palindromic Substrings (Python) Medium
662 LeetCode 662 Maximum Width of Binary Tree (Python) Medium
667 LeetCode 667 Beautiful Arrangement II (Python) Medium
669 LeetCode 669 Trim a Binary Search Tree (Python) Medium
670 LeetCode 670 Maximum Swap (Python) Medium
673 LeetCode 673 Number of Longest Increasing Subsequence (Python) Medium
678 LeetCode 678 Valid Parenthesis String (Python) Medium
680 LeetCode 680 Valid Palindrome II (Python) Easy
696 LeetCode 696 Count Binary Substrings (Python) Easy
700 LeetCode 700 Search in a Binary Search Tree (Python) Easy
701 LeetCode 701 Insert into a Binary Search Tree (Python) Medium
704 LeetCode 704 Binary Search (Python) Easy
705 LeetCode 705 Design HashSet (Python) Easy
708 LeetCode 708 Insert into a Sorted Circular Linked List (Python) Medium
713 LeetCode 713 Subarray Product Less Than K (Python) Medium
714 LeetCode 714 Best Time to Buy and Sell Stock with Transaction Fee (Python) Medium
733 LeetCode 733 Flood Fill (Python) Easy
735 LeetCode 735 Asteroid Collision (Python) Medium
743 LeetCode 743 Network Delay Time (Python) Medium
752 LeetCode 752 Open the Lock (Python) Medium
763 LeetCode 763 Partition Labels (Python) Medium
766 LeetCode 766 Toeplitz Matrix (Python) Easy
767 LeetCode 767 Reorganize String (Python) Medium
771 LeetCode 771 Jewels and Stones (Python) Easy
772 LeetCode 772 Basic Calculator III (Python) Hard
779 LeetCode 779 K-th Symbol in Grammar (Python) Medium
783 LeetCode 783 Minimum Distance Between BST Nodes (Python) Easy
784 LeetCode 784 Letter Case Permutation (Python) Medium
785 LeetCode 785 Is Graph Bipartite (Python) Medium
787 LeetCode 787 Cheapest Flights Within K Stops (Python) Medium
791 LeetCode 791 Custom Sort String (Python) Medium
797 LeetCode 797 All Paths From Source to Target (Python) Medium
799 LeetCode 799 Champagne Tower (Python) Medium
804 LeetCode 804 Unique Morse Code Words (Python) Easy
821 LeetCode 821 Shortest Distance to a Character (Python) Easy
823 LeetCode 823 Binary Trees With Factors (Python) Medium
824 LeetCode 824 Goat Latin (Python) Easy
827 LeetCode 827 Making A Large Island (Python) Hard
832 LeetCode 832 Flipping an Image (Python) Easy
835 LeetCode 835 Image Overlap (Python) Medium
839 LeetCode 839 Similar String Groups (Python) Hard
841 LeetCode 841 Keys and Rooms (Python) Medium
844 LeetCode 844 Backspace String Compare (Python) Easy
845 LeetCode 845 Longest Mountain in Array (Python) Medium
849 LeetCode 849 Maximize Distance to Closest Person (Python) Medium
858 LeetCode 858 Mirror Reflection (Python) Medium
859 LeetCode 859 Buddy Strings (Python) Easy
863 LeetCode 863 All Nodes Distance K in Binary Tree (Python) Medium
865 LeetCode 865 Smallest Subtree with all the Deepest Nodes (Python) Medium
869 LeetCode 869 Reordered Power of 2 (Python) Medium
876 LeetCode 876 Middle of the Linked List (Python) Easy
877 LeetCode 877 Stone Game (Python) Medium
880 LeetCode 880 Decoded String at Index (Python) Medium
881 LeetCode 881 Boats to Save People (Python) Medium
886 LeetCode 886 Possible Bipartition (Python) Medium
901 LeetCode 901 Online Stock Span (Python) Medium
902 LeetCode 902 Numbers At Most N Given Digit Set (Python) Hard
904 LeetCode 904 Fruit Into Baskets (Python) Medium
905 LeetCode 905 Sort Array By Parity (Python) Easy
906 LeetCode 906 Super Palindromes (Python) Hard
910 LeetCode 910 Smallest Range II (Python) Medium
916 LeetCode 916 Word Subsetse (Python) Medium
918 LeetCode 918 Maximum Sum Circular Subarray (Python) Medium
921 LeetCode 921 Minimum Add to Make Parentheses Valid (Python) Medium
923 LeetCode 923 3Sum With Multiplicity (Python) Medium
924 LeetCode 924 Minimize Malware Spread (Python) Hard
926 LeetCode 926 Flip String to Monotone Increasing (Python) Hard
933 LeetCode 933 Number of Recent Calls (Python) Easy
936 LeetCode 936 Stamping The Sequence (Python) Hard
938 LeetCode 938 Range Sum of BST (Python) Easy
941 LeetCode 941 Valid Mountain Array (Python) Medium
946 LeetCode 946 Validate Stack Sequences (Python) Medium
948 LeetCode 948 Bag of Tokens (Python) Medium
949 LeetCode 949 Largest Time for Given Digits (Python) Easy
952 LeetCode 952 Largest Component Size by Common Factor (Python) Hard
953 LeetCode 953 Verifying an Alien Dictionary (Python) Easy
954 LeetCode 954 Array of Doubled Pairs (Python) Medium
957 LeetCode 957 Prison Cells After N Days (Python) Medium
966 LeetCode 966 Vowel Spellchecker (Python) Medium
967 LeetCode 967 Numbers With Same Consecutive Differences (Python) Medium
968 LeetCode 968 Binary Tree Cameras (Python) Hard
969 LeetCode 969 Pancake Sorting (Python) Medium
971 LeetCode 971 Flip Binary Tree To Match Preorder Traversal (Python) Medium
973 LeetCode 973 K Closest Points to Origin (Python) Medium
977 LeetCode 977 Squares of a Sorted Array (Python) Easy
980 LeetCode 980 Unique Paths III (Python) Hard
983 LeetCode 983 Minimum Cost For Tickets (Python) Medium
986 LeetCode 986 Interval List Intersections (Python) Medium
987 LeetCode 987 Vertical Order Traversal of a Binary Tree (Python) Hard
989 LeetCode 989 Add to Array-Form of Integer (Python) Easy
994 LeetCode 994 Rotting Oranges (Python) Medium
997 LeetCode 997 Find the Town Judge (Python) Easy
1001 LeetCode 1001 Grid Illumination (Python) Hard
1002 LeetCode 1002 Find Common Characters (Python) Easy
1003 LeetCode 1003 Check If Word Is Valid After Substitutions (Python) Medium
1007 LeetCode 1007 Minimum Domino Rotations For Equal Row (Python) Medium
1008 LeetCode 1008 Construct Binary Search Tree from Preorder Traversal (Python) Medium
1009 LeetCode 1009 Complement of Base 10 Integer (Python) Easy
1010 LeetCode 1010 Pairs of Songs With Total Durations Divisible by 60 (Python) Medium
1011 LeetCode 1011 Capacity To Ship Packages Within D Days (Python) Medium
1015 LeetCode 1015 Smallest Integer Divisible by K (Python) Medium
1020 LeetCode 1020 Number of Enclaves (Python) Medium
1022 LeetCode 1022 Sum of Root To Leaf Binary Numbers (Python) Easy
1026 LeetCode 1026 Maximum Difference Between Node and Ancestor (Python) Medium
1029 LeetCode 1029 Two City Scheduling (Python) Easy
1032 LeetCode 1032 Stream of Characters (Python) Hard
1035 LeetCode 1035 Uncrossed Lines (Python) Medium
1041 LeetCode 1041 Robot Bounded In Circle (Python) Medium
1044 LeetCode 1044 Longest Duplicate Substring (Python) Hard
1046 LeetCode 1046 Last Stone Weight (Python) Easy
1048 LeetCode 1048 Longest String Chain (Python) Medium
1060 LeetCode 1060 Missing Element in Sorted Array (Python) Medium
1071 LeetCode 1071 Greatest Common Divisor of Strings (Python) Easy
1089 LeetCode 1089 Duplicate Zeros (Python) Easy
1091 LeetCode 1091 Shortest Path in Binary Matrix (Python) Medium
1094 LeetCode 1094 Car Pooling (Python) Medium
1103 LeetCode 1103 Distribute Candies to People (Python) Easy
1129 LeetCode 1129 Shortest Path with Alternating Colors (Python) Medium
1143 LeetCode 1143 Longest Common Subsequence (Python) Medium
1162 LeetCode 1162 As Far from Land as Possible (Python) Medium
1209 LeetCode 1209 Remove All Adjacent Duplicates in String II (Python) Hard
1216 LeetCode 1216 Valid Palindrome III (Python) Hard
1217 LeetCode 1217 Minimum Cost to Move Chips to The Same Position (Python) Easy
1227 LeetCode 1277 Count Square Submatrices with All Ones (Python) Medium
1232 LeetCode 1232 Check If It Is a Straight Line (Python) Easy
1249 LeetCode 1249 Minimum Remove to Make Valid Parentheses (Python) Medium
1254 Leetcode 1254 Number of Closed Islands (Python) Medium
1283 LeetCode 1283 Find the Smallest Divisor Given a Threshold (Python) Medium
1286 LeetCode 1286 Iterator for Combination (Python) Medium
1288 LeetCode 1288 Remove Covered Intervals (Python) Medium
1290 LeetCode 1290 Convert Binary Number in a Linked List to Integer (Python) Easy
1291 LeetCode 1291 Sequential Digits (Python) Medium
1295 LeetCode 1295 Find Numbers with Even Number of Digits (Python) Easy
1302 LeetCode 1302 Deepest Leaves Sum (Python)
1305 LeetCode 1305 All Elements in Two Binary Search Trees (Python) Medium
1306 LeetCode 1306 Jump Game III (Python) Medium
1329 LeetCode 1329 Sort the Matrix Diagonally (Python) Medium
1332 LeetCode 1332 Remove Palindromic Subsequences (Python) Easy
1337 LeetCode 1337 The K Weakest Rows in a Matrix (Python) Easy
1339 LeetCode 1339 Maximum Product of Splitted Binary Tree (Python) Medium
1342 LeetCode 1342 Number of Steps to Reduce a Number to Zero (Python) Easy
1344 LeetCode 1344 Angle Between Hands of a Clock (Python) Medium
1379 LeetCode 1379 Find a Corresponding Node of a Binary Tree in a Clone of That Tree (Python) Medium
1396 LeetCode 1396 Design Underground System (Python) Medium
1402 LeetCode 1402 Reducing Dishes (Python) Hard
1416 LeetCode 1416 Restore The Array (Python) Hard
1424 LeetCode 1424 Diagonal Traverse II (Python) Medium
1437 LeetCode 1437 Check If All 1's Are at Least Length K Places Away (Python) Easy
1441 LeetCode 1441 Build an Array With Stack Operations (Python) Easy
1442 LeetCode 1442 Count Triplets That Can Form Two Arrays of Equal XOR (Python) Medium
1443 LeetCode 1443 Minimum Time to Collect All Apples in a Tree (Python) Medium
1444 LeetCode 1444 Number of Ways of Cutting a Pizza (Python) Hard
1446 LeetCode 1446 Consecutive Characters (Python) Easy
1446 LeetCode 1446 Consecutive Characters (Python) Easy
1447 LeetCode Leetcode 1447 Simplified Fractions (Python) Medium
1448 LeetCode 1448 Count Good Nodes in Binary Tree (Python) Medium
1449 LeetCode 1449 Form Largest Integer With Digits That Add up to Target (Python) Hard
1450 LeetCode 1450 Number of Students Doing Homework at a Given Time (Python) Easy
1451 LeetCode 1451 Rearrange Words in a Sentence (Python) Medium
1452 LeetCode 1452 People Whose List of Favorite Companies Is Not a Subset of Another List (Python) Medium
1453 LeetCode 1453 Maximum Number of Darts Inside of a Circular Dartboard (Python) Hard
1457 LeetCode 1457 Pseudo-Palindromic Paths in a Binary Tree (Python) Medium
1461 LeetCode 1461 Check If a String Contains All Binary Codes of Size K (Python) Medium
1463 LeetCode 1463 Cherry Pickup II (Python) Hard
1466 LeetCode 1466 Reorder Routes to Make All Paths Lead to the City Zero (Python) Medium
1470 LeetCode 1470 Shuffle the Array (Python) Easy
1475 LeetCode 1475 Final Prices With a Special Discount in a Shop (Python) Easy
1492 LeetCode 1492 The kth Factor of n (Python) Medium
1502 LeetCode 1502 Can Make Arithmetic Progression From Sequence (Python) Easy
1503 LeetCode 1503 Last Moment Before All Ants Fall Out of a Plank (Python) Medium
1510 LeetCode 1510 Stone Game IV (Python) Hard
1512 LeetCode 1512 Number of Good Pairs (Python) Easy
1513 LeetCode 1513 Number of Substrings With Only 1s (Python) Medium
1514 LeetCode 1514 Path with Maximum Probability (Python) Medium
1515 LeetCode LeetCode 1515 Best Position for a Service Centre (Python) Hard
1523 LeetCode 1523 Count Odd Numbers in an Interval Range (Python) Easy
1530 LeetCode 1530 Number of Good Leaf Nodes Pairs (Python) Medium
1534 LeetCode 1534 Count Good Triplets (Python) Easy
1535 LeetCode 1535 Find the Winner of an Array Game (Python) Medium
1539 LeetCode 1539 Kth Missing Positive Number (Python) Easy
1541 LeetCode 1541 Minimum Insertions to Balance a Parentheses String (Python) Medium
1551 LeetCode 1551 Minimum Operations to Make Array Equal (Python) Medium
1570 LeetCode 1570 Dot Product of Two Sparse Vectors (Python) Medium
1579 LeetCode 1579 Remove Max Number of Edges to Keep Graph Fully Traversable (Python) Hard
1609 LeetCode 1609 Even Odd Tree (Python) Medium
1631 LeetCode 1631 Path With Minimum Effort (Python) Medium
1632 LeetCode 1632 Rank Transform of a Matrix (Python) Hard
1640 LeetCode 1640 Check Array Formation Through Concatenation (Python) Easy
1641 LeetCode 1641 Count Sorted Vowel Strings (Python) Medium
1642 LeetCode 1642 Furthest Building You Can Reach (Python) Medium
1644 LeetCode 1644 Lowest Common Ancestor of a Binary Tree II (Python) Medium
1646 LeetCode 1646 Get Maximum in Generated Array (Python) Easy
1649 LeetCode 1649 Create Sorted Array through Instructions (Python) Hard
1650 LeetCode 1650 Lowest Common Ancestor of a Binary Tree III (Python) Medium
1657 LeetCode 1657 Determine if Two Strings Are Close (Python) Medium
1658 LeetCode 1658 Minimum Operations to Reduce X to Zero (Python) Medium
1662 LeetCode 1662 Check If Two String Arrays are Equivalent (Python) Easy
1663 LeetCode 1663 Smallest String With A Given Numeric Value (Python) Medium
1673 LeetCode 1673 Find the Most Competitive Subsequence (Python) Medium
1675 LeetCode 1675 Minimize Deviation in Array (Python) Hard
1675 LeetCode 1675 Minimize Deviation in Array (Python) Hard
1679 LeetCode 1679 Max Number of K-Sum Pairs (Python) Medium
1680 LeetCode 1680 Concatenation of Consecutive Binary Numbers (Python) Medium
1697 LeetCode 1697 Checking Existence of Edge Length Limited Paths (Python) Hard
1704 LeetCode 1704 Determine if String Halves Are Alike (Python) Medium
1721 LeetCode 1721 Swapping Nodes in a Linked List (Python) Medium
1748 LeetCode 1748 Sum of Unique Elements (Python) Easy
1762 LeetCode 1762 Buildings With an Ocean View (Python) Medium
1857 LeetCode 1857 Largest Color Value in a Directed Graph (Python) Hard
2300 LeetCode 2300 Successful Pairs of Spells and Potions (Python) Medium
2306 LeetCode 2306 Naming a Company (Python) Hard
2316 LeetCode 2316 Count Unreachable Pairs of Nodes in an Undirected Graph (Python) Medium
2336 LeetCode 2336 Smallest Number in Infinite Set (Python) Medium
2405 LeetCode 2405 Optimal Partition of String (Python) Medium
2421 LeetCode 2421 Number of Good Paths (Python) Hard
2439 LeetCode 2439 Minimize Maximum of Array (Python) Medium
2477 LeetCode 2477 Minimum Fuel Cost to Report to the Capital (Python) Medium
2850 LeetCode 2850 Minimum Moves to Spread Stones Over Grid (Python) Medium
3043 LeetCode 3043 Find the Length of the Longest Common Prefix (Python) Medium
9999 LeetCode Cousins in Binary Tree (Python) N/A
9999 LeetCode Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree (Python) N/A
9999 LeetCode First Unique Number (Python) N/A
9999 LeetCode Perform String Shifts (Python) N/A
9999 LeetCode Leftmost Column with at Least a One (Python) N/A
9999 LeetCode Counting Elements (Python) N/A