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Oct 2020
4 Median of Two Sorted Arrays
Aug 2022
10 Regular Expression Matching
Sep 2021
23 Merge k Sorted Lists
Jun 2021
42 Trapping Rain Water
Nov 2022
51 N-Queens
Nov 2022
60 Permutation Sequence
Jan 2023
68 Text Justification
Nov 2022
72 Edit Distance
Aug 2022
76 Minimum Window Substring
Mar 2021
123 Best Time to Buy and Sell Stock III
Sep 2022
124 Binary Tree Maximum Path Sum
Aug 2022
127 Word Ladder
Aug 2022
135 Candy
Aug 2022
140 Word Break II
Mar 2023
149 Max Points on a Line
Sep 2022
212 Word Search II
Oct 2022
218 The Skyline Problem
Aug 2022
239 Sliding Window Maximum
Sep 2022
269 Alien Dictionary
Sep 2022
273 Integer to English Words
Feb 2023
282 Expression Add Operators
Oct 2021
295 Find Median from Data Stream
Oct 2022
301 Remove Invalid Parentheses
Nov 2022
308 Range Sum Query 2D - Mutable
Mar 2023
315 Count of Smaller Numbers After Self
Sep 2022
329 Longest Increasing Path in a Matrix
Nov 2022
332 Reconstruct Itinerary
Nov 2022
354 Russian Doll Envelopes
Sep 2022
381 Insert Delete GetRandom O(1) - Duplicates allowed
Sep 2022
410 Split Array Largest Sum
Aug 2022
420 Strong Password Checker
Nov 2022
428 Serialize and Deserialize N-ary Tree
Jan 2023
458 Poor Pigs
Sep 2022
460 LFU Cache
Aug 2022
472 Concatenated Words
Sep 2022
489 Robot Room Cleaner
Jan 2023
552 Student Attendance Record II
Sep 2022
588 Design In-Memory File System
Sep 2022
631 Design Excel Sum Formula
Sep 2022
642 Design Search Autocomplete System
Feb 2023
660 Remove 9
Jan 2023
715 Range Module
Sep 2022
716 Max Stack
Aug 2022
772 Basic Calculator III
Jan 2023
818 Race Car
Nov 2022
827 Making A Large Island
Aug 2022
828 Count Unique Characters of All Substrings of a Given String
Jan 2023
843 Guess the Word
Nov 2022
895 Maximum Frequency Stack
Sep 2022
968 Binary Tree Cameras
Feb 2023
975 Odd Even Jump
Sep 2022
987 Vertical Order Traversal of a Binary Tree
Sep 2022
992 Subarrays with K Different Integers
Sep 2022
1192 Critical Connections in a Network
Jan 2023
1220 Count Vowels Permutation
Feb 2023
1263 Minimum Moves to Move a Box to Their Target Location
Sep 2022
1274 Number of Ships in a Rectangle
Oct 2022
1293 Shortest Path in a Grid with Obstacles Elimination
Sep 2022
1335 Minimum Difficulty of a Job Schedule
Nov 2022
1354 Construct Target Array With Multiple Sums
Feb 2023
1363 Largest Multiple of Three
Feb 2023
1383 Maximum Performance of a Team
Sep 2022
1444 Number of Ways of Cutting a Pizza
Feb 2023
1494 Parallel Courses II
Nov 2022
1547 Minimum Cost to Cut a Stick
Sep 2022
1597 Build Binary Expression Tree From Infix Expression
Jan 2023
1606 Find Servers That Handled Most Number of Requests
Jan 2023
1610 Maximum Number of Visible Points
Feb 2023
1755 Closest Subsequence Sum
Feb 2023
1851 Minimum Interval to Include Each Query
Jan 2023
1889 Minimum Space Wasted From Packaging
Mar 2023
2035 Partition Array Into Two Arrays to Minimize Sum Difference
Nov 2022
2127 Maximum Employees to Be Invited to a Meeting
Jan 2023
2158 Amount of New Area Painted Each Day
Jan 2023
2188 Minimum Time to Finish the Race
Sep 2022
2193 Minimum Number of Moves to Make Palindrome
Aug 2022
2272 Substring With Largest Variance
Nov 2022
2276 Count Integers in Intervals
Aug 2022
2281 Sum of Total Strength of Wizards
Feb 2023
2355 Maximum Number of Books You Can Take
Jan 2023
2366 Minimum Replacements to Sort the Array
Feb 2023
2398 Maximum Number of Robots Within Budget
Jan 2023
2402 Meeting Rooms III
Feb 2023
2407 Longest Increasing Subsequence II
Jan 2023
2416 Sum of Prefix Scores of Strings
Jan 2023
2421 Number of Good Paths
Jan 2023
2426 Number of Pairs Satisfying Inequality
Feb 2023
2435 Paths in Matrix Whose Sum Is Divisible by K
Mar 2023
2444 Count Subarrays With Fixed Bounds
Jan 2023
2458 Height of Binary Tree After Subtree Removal Queries