The Debugger - LeetCode

Solution of LeetCode Problems

Description

This repository has solution of LeetCode problems.

Linked List

Title
2. Add Two Numbers
19. Remove Nth Node From End of List
21. Merge Two Sorted Lists
24. Swap Nodes in Pairs
61. Rotate List
82. Remove Duplicates from Sorted List II
83. Remove Duplicates from Sorted List
86. Partition List
92. Reverse Linked List II
109. Convert Sorted List to Binary Search Tree
114. Flatten Binary Tree to Linked List
138. Copy List with Random Pointer
141. Linked List Cycle
142. Linked List Cycle II
143. Reorder List
147. Insertion Sort List
148. Sort List
160. Intersection of Two Linked Lists
203. Remove Linked List Elements
206. Reverse Linked List
234. Palindrome Linked List
237. Delete Node in a Linked List
328. Odd Even Linked List
355. Design Twitter
382. Linked List Random Node
430. Flatten a Multilevel Doubly Linked List
445. Add Two Numbers II
622. Design Circular Queue
705. Design HashSet
707. Design Linked List
876. Middle of the Linked List
1290. Convert Binary Number in a Linked List to Integer
1367. Linked List in Binary Tree
1472. Design Browser History
1669. Merge In Between Linked Lists
1721. Swapping Nodes in a Linked List

Stack

Title
20. Valid Parentheses
32. Longest Valid Parentheses
42. Trapping Rain Water
94. Binary Tree Inorder Traversal
114. Flatten Binary Tree to Linked List
143. Reorder List
144. Binary Tree Preorder Traversal
145. Binary Tree Postorder Traversal
150. Evaluate Reverse Polish Notation
155. Min Stack
173. Binary Search Tree Iterator
225. Implement Stack using Queues
232. Implement Queue using Stacks
234. Palindrome Linked List
316. Remove Duplicate Letters
402. Remove K Digits
445. Add Two Numbers II
456. 132 Pattern
589. N-ary Tree Preorder Traversal
590. N-ary Tree Postorder Traversal
654. Maximum Binary Tree
678. Valid Parenthesis String
682. Baseball Game
735. Asteroid Collision
739. Daily Temperatures
844. Backspace String Compare
897. Increasing Order Search Tree
1008. Construct Binary Search Tree from Preorder Traversal
1021. Remove Outermost Parentheses
1047. Remove All Adjacent Duplicates In String
1441. Build an Array With Stack Operations
1472. Design Browser History
1598. Crawler Log Folder
1700. Number of Students Unable to Eat Lunch

Queue

Title
225. Implement Stack using Queues
232. Implement Queue using Stacks
387. First Unique Character in a String
622. Design Circular Queue
1352. Product of the Last K Numbers
1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit
1700. Number of Students Unable to Eat Lunch

Tree/Binary Tree

Title
94. Binary Tree Inorder Traversal
96. Unique Binary Search Trees
98. Validate Binary Search Tree
99. Recover Binary Search Tree
100. Same Tree
101. Symmetric Tree
102. Binary Tree Level Order Traversal
104. Maximum Depth of Binary Tree
105. Construct Binary Tree from Preorder and Inorder Traversal
106. Construct Binary Tree from Inorder and Postorder Traversal
108. Convert Sorted Array to Binary Search Tree
109. Convert Sorted List to Binary Search Tree
110. Balanced Binary Tree
111. Minimum Depth of Binary Tree
112. Path Sum
113. Path Sum II
114. Flatten Binary Tree to Linked List
116. Populating Next Right Pointers in Each Node
117. Populating Next Right Pointers in Each Node II
129. Sum Root to Leaf Numbers
144. Binary Tree Preorder Traversal
145. Binary Tree Postorder Traversal
173. Binary Search Tree Iterator
199. Binary Tree Right Side View
222. Count Complete Tree Nodes
226. Invert Binary Tree
230. Kth Smallest Element in a BST
235. Lowest Common Ancestor of a Binary Search Tree
257. Binary Tree Paths
337. House Robber III
404. Sum of Left Leaves
437. Path Sum III
450. Delete Node in a BST
508. Most Frequent Subtree Sum
513. Find Bottom Left Tree Value
515. Find Largest Value in Each Tree Row
530. Minimum Absolute Difference in BST
543. Diameter of Binary Tree
559. Maximum Depth of N-ary Tree
563. Binary Tree Tilt
572. Subtree of Another Tree
589. N-ary Tree Preorder Traversal
590. N-ary Tree Postorder Traversal
606. Construct String from Binary Tree
617. Merge Two Binary Trees
623. Add One Row to Tree
637. Average of Levels in Binary Tree
653. Two Sum IV - Input is a BST
654. Maximum Binary Tree
669. Trim a Binary Search Tree
671. Second Minimum Node In a Binary Tree
687. Longest Univalue Path
700. Search in a Binary Search Tree
703. Kth Largest Element in a Stream
783. Minimum Distance Between BST Nodes
814. Binary Tree Pruning
865. Smallest Subtree with all the Deepest Nodes
872. Leaf-Similar Trees
889. Construct Binary Tree from Preorder and Postorder Traversal
894. All Possible Full Binary Trees
897. Increasing Order Search Tree
919. Complete Binary Tree Inserter
938. Range Sum of BST
951. Flip Equivalent Binary Trees
958. Check Completeness of a Binary Tree
965. Univalued Binary Tree
971. Flip Binary Tree To Match Preorder Traversal
979. Distribute Coins in Binary Tree
988. Smallest String Starting From Leaf
1008. Construct Binary Search Tree from Preorder Traversal
1022. Sum of Root To Leaf Binary Numbers
1026. Maximum Difference Between Node and Ancestor
1038. Binary Search Tree to Greater Sum Tree
1080. Insufficient Nodes in Root to Leaf Paths
1110. Delete Nodes And Return Forest
1123. Lowest Common Ancestor of Deepest Leaves
1161. Maximum Level Sum of a Binary Tree
1261. Find Elements in a Contaminated Binary Tree
1302. Deepest Leaves Sum
1305. All Elements in Two Binary Search Trees
1315. Sum of Nodes with Even-Valued Grandparent
1325. Delete Leaves With a Given Value
1339. Maximum Product of Splitted Binary Tree
1367. Linked List in Binary Tree
1372. Longest ZigZag Path in a Binary Tree
1379. Find a Corresponding Node of a Binary Tree in a Clone of That Tree
1382. Balance a Binary Search Tree
1448. Count Good Nodes in Binary Tree

Authors

@Gul Ershad

Acknowledgments

• LeetCode