Leetcode Solutions

This repository contains solutions to Leetcode Problems (majorly DSA based questions).

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@amanhex
@amansingh4958 - Leetcode Profile

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Contributions are always welcome!

You can help to optimize some codes and categorize the Questions into Easy, Medium and Hard category, as in Leetcode itself.

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C++

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Name		Name	Last commit message	Last commit date
Latest commit History 384 Commits
051. Height Checker.cpp		051. Height Checker.cpp
1. Two Sums.cpp		1. Two Sums.cpp
100. Same Tree.cpp		100. Same Tree.cpp
1002. Find Common Characters.cpp		1002. Find Common Characters.cpp
1008. Construct Binary Search Tree from Preorder Traversal.cpp		1008. Construct Binary Search Tree from Preorder Traversal.cpp
101. Symmetric Tree.cpp		101. Symmetric Tree.cpp
102. Binary Tree Level Order Traversal.cpp		102. Binary Tree Level Order Traversal.cpp
1026. Maximum Difference Between Node and Ancestor.cpp		1026. Maximum Difference Between Node and Ancestor.cpp
103. Binary Tree Zigzag Level Order Traversal.cpp		103. Binary Tree Zigzag Level Order Traversal.cpp
104. Maximum Depth of Binary Tree.cpp		104. Maximum Depth of Binary Tree.cpp
105. Construct Binary Tree from Preorder and Inorder Traversal.cpp		105. Construct Binary Tree from Preorder and Inorder Traversal.cpp
1052. Grumpy Bookstore Owner.cpp		1052. Grumpy Bookstore Owner.cpp
106. Construct Binary Tree from Inorder and Postorder Traversal.cpp		106. Construct Binary Tree from Inorder and Postorder Traversal.cpp
108. Convert Sorted Array to Binary Search Tree.cpp		108. Convert Sorted Array to Binary Search Tree.cpp
11. Container With Most Water.cpp		11. Container With Most Water.cpp
110. Balanced Binary Tree.cpp		110. Balanced Binary Tree.cpp
111. Minimum Depth of Binary Tree.cpp		111. Minimum Depth of Binary Tree.cpp
112. Path Sum.cpp		112. Path Sum.cpp
1122. Relative Sort Array.cpp		1122. Relative Sort Array.cpp
1137. N-th Tribonacci Number.cpp		1137. N-th Tribonacci Number.cpp
114. Flatten Binary Tree to Linked List.cpp		114. Flatten Binary Tree to Linked List.cpp
1143. Longest Common Subsequence.cpp		1143. Longest Common Subsequence.cpp
116. Populating Next Right Pointers in Each Node.cpp		116. Populating Next Right Pointers in Each Node.cpp
1171. Remove Zero Sum Consecutive Nodes from Linked List.cpp		1171. Remove Zero Sum Consecutive Nodes from Linked List.cpp
118. Pascal's Triangle.cpp		118. Pascal's Triangle.cpp
1190. Reverse Substrings Between Each Pair of Parentheses.cpp		1190. Reverse Substrings Between Each Pair of Parentheses.cpp
1207. Unique Number of Occurrences.cpp		1207. Unique Number of Occurrences.cpp
121. Best Time to Buy and Sell Stock.cpp		121. Best Time to Buy and Sell Stock.cpp
124. Binary Tree Maximum Path Sum.cpp		124. Binary Tree Maximum Path Sum.cpp
1248. Count Number of Nice Subarrays.cpp		1248. Count Number of Nice Subarrays.cpp
125. Valid Palindrome.cpp		125. Valid Palindrome.cpp
128. Longest Consecutive Sequence.cpp		128. Longest Consecutive Sequence.cpp
1287. Element Appearing More Than 25% In Sorted Array.cpp		1287. Element Appearing More Than 25% In Sorted Array.cpp
129. Sum Root to Leaf Numbers.cpp		129. Sum Root to Leaf Numbers.cpp
1291. Sequential Digits.cpp		1291. Sequential Digits.cpp
1299. Replace Elements with Greatest Element on Right Side.cpp		1299. Replace Elements with Greatest Element on Right Side.cpp
13. Roman To Integer.cpp		13. Roman To Integer.cpp
131. Palindrome Partitioning.cpp		131. Palindrome Partitioning.cpp
1325. Delete Leaves With a Given Value.cpp		1325. Delete Leaves With a Given Value.cpp
1339. Maximum Product of Splitted Binary Tree.cpp		1339. Maximum Product of Splitted Binary Tree.cpp
1347. Minimum Number of Steps to Make Two Strings Anagram.cpp		1347. Minimum Number of Steps to Make Two Strings Anagram.cpp
1351. Count Negative Numbers in a Sorted Matrix.cpp		1351. Count Negative Numbers in a Sorted Matrix.cpp
136. Single Number.cpp		136. Single Number.cpp
1367. Linked List in Binary Tree.cpp		1367. Linked List in Binary Tree.cpp
137. Single Number II.cpp		137. Single Number II.cpp
138. Copy List with Random Pointer.cpp		138. Copy List with Random Pointer.cpp
1380. Lucky Numbers in a Matrix.cpp		1380. Lucky Numbers in a Matrix.cpp
1385. Find the Distance Value Between Two Arrays.cpp		1385. Find the Distance Value Between Two Arrays.cpp
139. Word Break.cpp		139. Word Break.cpp
1395. Count Number of Teams.cpp		1395. Count Number of Teams.cpp
14. Longest Common Prefix.cpp		14. Longest Common Prefix.cpp
140. Word Break II.cpp		140. Word Break II.cpp
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
141. Linked List Cycle.cpp		141. Linked List Cycle.cpp
142. Linked List Cycle II.cpp		142. Linked List Cycle II.cpp
1422. Maximum Score After Splitting a String.cpp		1422. Maximum Score After Splitting a String.cpp
1436. Destination City.cpp		1436. Destination City.cpp
1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit.cpp		1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit.cpp
144. Binary Tree Preorder Traversal.cpp		144. Binary Tree Preorder Traversal.cpp
145. Binary Tree Postorder Traversal.cpp		145. Binary Tree Postorder Traversal.cpp
1460. Make Two Arrays Equal by Reversing Subarrays.cpp		1460. Make Two Arrays Equal by Reversing Subarrays.cpp
1464. Maximum Product of Two Elements in an Array.cpp		1464. Maximum Product of Two Elements in an Array.cpp
148. Sort List.cpp		148. Sort List.cpp
1480. Running Sum of 1d Array.cpp		1480. Running Sum of 1d Array.cpp
1481. Least Number of Unique Integers after K Removals.cpp		1481. Least Number of Unique Integers after K Removals.cpp
1491. Average Salary Excluding the Minimum and Maximum Salary.cpp		1491. Average Salary Excluding the Minimum and Maximum Salary.cpp
1492. The kth Factor of n.cpp		1492. The kth Factor of n.cpp
1496. Path Crossing.cpp		1496. Path Crossing.cpp
15. 3Sum.cpp		15. 3Sum.cpp
150. Evaluate Reverse Polish Notation.cpp		150. Evaluate Reverse Polish Notation.cpp
1509. Minimum Difference Between Largest and Smallest Value in Three Moves.cpp		1509. Minimum Difference Between Largest and Smallest Value in Three Moves.cpp
1518. Water Bottles.cpp		1518. Water Bottles.cpp
153. Find Minimum in Rotated Sorted Array.cpp		153. Find Minimum in Rotated Sorted Array.cpp
1539. Kth Missing Positive Number.cpp		1539. Kth Missing Positive Number.cpp
1544. Make The String Great.cpp		1544. Make The String Great.cpp
1550. Three Consecutive Odds.cpp		1550. Three Consecutive Odds.cpp
1572. Matrix Diagonal Sum.cpp		1572. Matrix Diagonal Sum.cpp
1582. Special Positions in a Binary Matrix.cpp		1582. Special Positions in a Binary Matrix.cpp
1598. Crawler Log Folder.cpp		1598. Crawler Log Folder.cpp
160. Intersection of Two Linked Lists.cpp		160. Intersection of Two Linked Lists.cpp
1605. Find Valid Matrix Given Row and Column Sums.cpp		1605. Find Valid Matrix Given Row and Column Sums.cpp
1609. Even Odd Tree.cpp		1609. Even Odd Tree.cpp
1624. Largest Substring Between Two Equal Characters.cpp		1624. Largest Substring Between Two Equal Characters.cpp
1636. Sort Array by Increasing Frequency.cpp		1636. Sort Array by Increasing Frequency.cpp
165. Compare Version Numbers.cpp		165. Compare Version Numbers.cpp
1653. Minimum Deletions to Make String Balanced.cpp		1653. Minimum Deletions to Make String Balanced.cpp
1657. Determine if Two Strings Are Close.cpp		1657. Determine if Two Strings Are Close.cpp
1669. Merge In Between Linked Lists.cpp		1669. Merge In Between Linked Lists.cpp
167. Two Sum II - Input Array Is Sorted.cpp		167. Two Sum II - Input Array Is Sorted.cpp
1688. Count of Matches in Tournament.cpp		1688. Count of Matches in Tournament.cpp
169. Majority Element.cpp		169. Majority Element.cpp
1701. Average Waiting Time.cpp		1701. Average Waiting Time.cpp
1704. Determine if String Halves Are Alike.cpp		1704. Determine if String Halves Are Alike.cpp
171. Excel Sheet Column Number.cpp		171. Excel Sheet Column Number.cpp
1716. Calculate Money in Leetcode Bank.cpp		1716. Calculate Money in Leetcode Bank.cpp
1717. Maximum Score From Removing Substrings.cpp		1717. Maximum Score From Removing Substrings.cpp
1721. Swapping Nodes in a Linked List.cpp		1721. Swapping Nodes in a Linked List.cpp
1732. Find the Highest Altitude.cpp		1732. Find the Highest Altitude.cpp
1750. Minimum Length of String After Deleting Similar Ends.cpp		1750. Minimum Length of String After Deleting Similar Ends.cpp
1758. Minimum Changes To Make Alternating Binary String.cpp		1758. Minimum Changes To Make Alternating Binary String.cpp

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