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234 Commits
1004. Max Consecutive Ones III
1004. Max Consecutive Ones III
 
 
1007. Minimum Domino Rotations For Equal Row
1007. Minimum Domino Rotations For Equal Row
 
 
1008. Construct Binary Search Tree from Preorder Traversal
1008. Construct Binary Search Tree from Preorder Traversal
 
 
1011. Capacity To Ship Packages Within D Days
1011. Capacity To Ship Packages Within D Days
 
 
1014. Best Sightseeing Pair
1014. Best Sightseeing Pair
 
 
1018. Binary Prefix Divisible By 5
1018. Binary Prefix Divisible By 5
 
 
1028. Recover a Tree From Preorder Traversal
1028. Recover a Tree From Preorder Traversal
 
 
105. Construct Binary Tree from Preorder and Inorder Traversal
105. Construct Binary Tree from Preorder and Inorder Traversal
 
 
106. Construct Binary Tree from Inorder and Postorder Traversal
106. Construct Binary Tree from Inorder and Postorder Traversal
 
 
1095. Find in Mountain Array
1095. Find in Mountain Array
 
 
11. Container With Most Water
11. Container With Most Water
 
 
110. Balanced Binary Tree
110. Balanced Binary Tree
 
 
112. Path Sum
112. Path Sum
 
 
1123. Lowest Common Ancestor of Deepest Leaves
1123. Lowest Common Ancestor of Deepest Leaves
 
 
114. Flatten Binary Tree to Linked List
114. Flatten Binary Tree to Linked List
 
 
1161. Maximum Level Sum of a Binary Tree
1161. Maximum Level Sum of a Binary Tree
 
 
118. Pascal's Triangle
118. Pascal's Triangle
 
 
1200. Minimum Absolute Difference.mdn
1200. Minimum Absolute Difference.mdn
 
 
1261. Find Elements in a Contaminated Binary Tree
1261. Find Elements in a Contaminated Binary Tree
 
 
1267. Count Servers that Communicate
1267. Count Servers that Communicate
 
 
129. Sum Root to Leaf Numbers
129. Sum Root to Leaf Numbers
 
 
1295. Find Numbers with Even Number of Digits
1295. Find Numbers with Even Number of Digits
 
 
1304. Find N Unique Integers Sum up to Zero
1304. Find N Unique Integers Sum up to Zero
 
 
1339. Maximum Product of Splitted Binary Tree
1339. Maximum Product of Splitted Binary Tree
 
 
1343. Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold
1343. Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold
 
 
134_Gas_Station
134_Gas_Station
 
 
1352. Product of the Last K Numbers
1352. Product of the Last K Numbers
 
 
1382. Balance a Binary Search Tree
1382. Balance a Binary Search Tree
 
 
139. Word Break
139. Word Break
 
 
1390. Four Divisors.md
1390. Four Divisors.md
 
 
1394. Find Lucky Integer in an Array
1394. Find Lucky Integer in an Array
 
 
1400.Construct K Palindrome Strings
1400.Construct K Palindrome Strings
 
 
1404. Number of Steps to Reduce a Number in Binary Representation to One.cpp
1404. Number of Steps to Reduce a Number in Binary Representation to One.cpp
 
 
1408. String Matching in an Array
1408. String Matching in an Array
 
 
1422. Maximum Score After Splitting a String
1422. Maximum Score After Splitting a String
 
 
1423. Maximum Points You Can Obtain from Cards
1423. Maximum Points You Can Obtain from Cards
 
 
1462. Course Schedule IV
1462. Course Schedule IV
 
 
1470. Shuffle the Array
1470. Shuffle the Array
 
 
1475. Final Prices With a Special Discount in a Shop
1475. Final Prices With a Special Discount in a Shop
 
 
1493. Longest Subarray of 1's After Deleting One Element
1493. Longest Subarray of 1's After Deleting One Element
 
 
15. 3Sum
15. 3Sum
 
 
1504 Count Submatrices With All Ones
1504 Count Submatrices With All Ones
 
 
1524. Number of Sub-arrays With Odd Sum
1524. Number of Sub-arrays With Odd Sum
 
 
1550. Three Consecutive Odds
1550. Three Consecutive Odds
 
 
1578. Minimum Time to Make Rope Colorful
1578. Minimum Time to Make Rope Colorful
 
 
1622. Fancy Sequence.cpp
1622. Fancy Sequence.cpp
 
 
1625. Lexicographically Smallest String After Applying Operations
1625. Lexicographically Smallest String After Applying Operations
 
 
165. Compare Version Numbers
165. Compare Version Numbers
 
 
1653. Minimum Deletions to Make String Balanced
1653. Minimum Deletions to Make String Balanced
 
 
167. Two Sum II - Input Array Is Sorted
167. Two Sum II - Input Array Is Sorted
 
 
1674. Minimum Moves to Make Array Complementary
1674. Minimum Moves to Make Array Complementary
 
 
1718. Construct the Lexicographically Largest Valid Sequence
1718. Construct the Lexicographically Largest Valid Sequence
 
 
1726. Tuple with Same Product
1726. Tuple with Same Product
 
 
1732. Find the Highest Altitude
1732. Find the Highest Altitude
 
 
1749. Maximum Absolute Sum of Any Subarray
1749. Maximum Absolute Sum of Any Subarray
 
 
1750. Minimum Length of String After Deleting Similar Ends
1750. Minimum Length of String After Deleting Similar Ends
 
 
1760. Minimum Limit of Balls in a Bag
1760. Minimum Limit of Balls in a Bag
 
 
1765. Map of Highest Peak
1765. Map of Highest Peak
 
 
1790. Check if One String Swap Can Make Strings Equal
1790. Check if One String Swap Can Make Strings Equal
 
 
1800. Maximum Ascending Subarray Sum
1800. Maximum Ascending Subarray Sum
 
 
1863. Sum of All Subset XOR Totals
1863. Sum of All Subset XOR Totals
 
 
1877. Minimize Maximum Pair Sum in Array.cpp
1877. Minimize Maximum Pair Sum in Array.cpp
 
 
1910. Remove All Occurrences of a Substring
1910. Remove All Occurrences of a Substring
 
 
1920. Build Array from Permutation
1920. Build Array from Permutation
 
 
1935. Maximum Number of Words You Can Type
1935. Maximum Number of Words You Can Type
 
 
1975. Maximum Matrix Sum.md
1975. Maximum Matrix Sum.md
 
 
198. House Robber
198. House Robber
 
 
1980. Find Unique Binary String
1980. Find Unique Binary String
 
 
1984. Minimum Difference Between Highest and Lowest of K Scores.cpp
1984. Minimum Difference Between Highest and Lowest of K Scores.cpp
 
 
1991. Find the Middle Index in Array
1991. Find the Middle Index in Array
 
 
207. Course Schedule
207. Course Schedule
 
 
208. Implement Trie (Prefix Tree)
208. Implement Trie (Prefix Tree)
 
 
2099. Find Subsequence of Length K With the Largest Sum
2099. Find Subsequence of Length K With the Largest Sum
 
 
210. Course Schedule II
210. Course Schedule II
 
 
211. Design Add and Search Words Data Structure
211. Design Add and Search Words Data Structure
 
 
2127. Maximum Employees to Be Invited to a Meeting
2127. Maximum Employees to Be Invited to a Meeting
 
 
2130. Maximum Twin Sum of a Linked List.cpp
2130. Maximum Twin Sum of a Linked List.cpp
 
 
215. Kth Largest Element in an Array
215. Kth Largest Element in an Array
 
 
2161. Partition Array According to Given Pivot
2161. Partition Array According to Given Pivot
 
 
2161_Partition Array According to Given Pivot.cpp
2161_Partition Array According to Given Pivot.cpp
 
 
2176. Count Equal and Divisible Pairs in an Array
2176. Count Equal and Divisible Pairs in an Array
 
 
2197. Replace Non-Coprime Numbers in Array
2197. Replace Non-Coprime Numbers in Array
 
 
2264. Largest 3-Same-Digit Number in String
2264. Largest 3-Same-Digit Number in String
 
 
2273. Find Resultant Array After Removing Anagrams
2273. Find Resultant Array After Removing Anagrams
 
 
229. Majority Element II.cpp
229. Majority Element II.cpp
 
 
2294. Partition Array Such That Maximum Difference Is K
2294. Partition Array Such That Maximum Difference Is K
 
 
230. Kth Smallest Element in a BST
230. Kth Smallest Element in a BST
 
 
2302. Count Subarrays With Score Less Than K
2302. Count Subarrays With Score Less Than K
 
 
2342. Max Sum of a Pair With Equal Sum of Digits
2342. Max Sum of a Pair With Equal Sum of Digits
 
 
235. Lowest Common Ancestor of a Binary Search Tree
235. Lowest Common Ancestor of a Binary Search Tree
 
 
236. Lowest Common Ancestor of a Binary Tree
236. Lowest Common Ancestor of a Binary Tree
 
 
2364. Count Number of Bad Pairs
2364. Count Number of Bad Pairs
 
 
2375. Construct Smallest Number From DI String
2375. Construct Smallest Number From DI String
 
 
2379. Minimum Recolors to Get K Consecutive Black Blocks
2379. Minimum Recolors to Get K Consecutive Black Blocks
 
 
2381. Shifting Letters II
2381. Shifting Letters II
 
 
2401. Longest Nice Subarray
2401. Longest Nice Subarray
 
 
2420. Find All Good Indices
2420. Find All Good Indices
 
 
2438. Range Product Queries of Powers
2438. Range Product Queries of Powers
 
 
2460. Apply Operations to an Array
2460. Apply Operations to an Array
 
 
2466. Count Ways To Build Good Strings
2466. Count Ways To Build Good Strings
 
 

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A curated collection of optimized LeetCode solutions with explanations and complexity analysis. Perfect for DSA practice, interview prep, and mastering problem-solving patterns.

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linked-list stack queue graph string array tree-structure bst dp two-pointers sliding-window backtacking
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