Leetcode Solutions

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

Authors

@amanhex
@amansingh4958 - Leetcode Profile

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Contributing

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.

Language Used

C++

Name		Name	Last commit message	Last commit date
Latest commit History 311 Commits
1. Two Sums.cpp		1. Two Sums.cpp
100. Same Tree.cpp		100. Same Tree.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
104. Maximum Depth of Binary Tree.cpp		104. Maximum Depth of Binary Tree.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
111. Minimum Depth of Binary Tree.cpp		111. Minimum Depth of Binary Tree.cpp
112. Path Sum.cpp		112. Path Sum.cpp
1137. N-th Tribonacci Number.cpp		1137. N-th Tribonacci Number.cpp
1143. Longest Common Subsequence.cpp		1143. Longest Common Subsequence.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
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
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
137. Single Number II.cpp		137. Single Number II.cpp
138. Copy List with Random Pointer.cpp		138. Copy List with Random Pointer.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
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
144. Binary Tree Preorder Traversal.cpp		144. Binary Tree Preorder Traversal.cpp
145. Binary Tree Postorder Traversal.cpp		145. Binary Tree Postorder Traversal.cpp
1464. Maximum Product of Two Elements in an Array.cpp		1464. Maximum Product of Two Elements in an Array.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
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
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
160. Intersection of Two Linked Lists.cpp		160. Intersection of Two Linked Lists.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
165. Compare Version Numbers.cpp		165. Compare Version Numbers.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
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
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
1768. Merge Strings Alternately.cpp		1768. Merge Strings Alternately.cpp
18. 4Sum.cpp		18. 4Sum.cpp
1822. Sign of the Product of an Array.cpp		1822. Sign of the Product of an Array.cpp
1833. Maximum Ice Cream Bars.cpp		1833. Maximum Ice Cream Bars.cpp
1863. Sum of All Subset XOR Totals.cpp		1863. Sum of All Subset XOR Totals.cpp
189. Rotate Array.cpp		189. Rotate Array.cpp
1897. Redistribute Characters to Make All Strings Equal.cpp		1897. Redistribute Characters to Make All Strings Equal.cpp
19. Remove Nth Node From End of List.cpp		19. Remove Nth Node From End of List.cpp
190. Reverse Bits.cpp		190. Reverse Bits.cpp
1903. Largest Odd Number in String.cpp		1903. Largest Odd Number in String.cpp
191. Number of 1 Bits.cpp		191. Number of 1 Bits.cpp
1913. Maximum Product Difference Between Two Pairs.cpp		1913. Maximum Product Difference Between Two Pairs.cpp
1971. Find if Path Exists in Graph.cpp		1971. Find if Path Exists in Graph.cpp
198. House Robber.cpp		198. House Robber.cpp
2. Add Two Numbers.cpp		2. Add Two Numbers.cpp
20. Valid Parentheses.cpp		20. Valid Parentheses.cpp
2000. Reverse Prefix of Word.cpp		2000. Reverse Prefix of Word.cpp
202. Happy Number.cpp		202. Happy Number.cpp
203. Remove Linked List Elements.cpp		203. Remove Linked List Elements.cpp
205. Isomorphic Strings.cpp		205. Isomorphic Strings.cpp
206. Reverse Linked List.cpp		206. Reverse Linked List.cpp
2073. Time Needed to Buy Tickets.cpp		2073. Time Needed to Buy Tickets.cpp
209. Minimum Size Subarray Sum.cpp		209. Minimum Size Subarray Sum.cpp
21. Merge Two Sorted Lists.cpp		21. Merge Two Sorted Lists.cpp
2108. Find First Palindromic String in the Array.cpp		2108. Find First Palindromic String in the Array.cpp
2119. A Number After a Double Reversal.cpp		2119. A Number After a Double Reversal.cpp
2149. Rearrange Array Elements by Sign.cpp		2149. Rearrange Array Elements by Sign.cpp
215. Kth Largest Element in an Array.cpp		215. Kth Largest Element in an Array.cpp

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