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26 Commits
1. Two Sum.cpp
1. Two Sum.cpp
 
 
100. Same Tree.cpp
100. Same Tree.cpp
 
 
102. Binary Tree Level Order Traversal.cpp
102. Binary Tree 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
 
 
11. Container With Most Water.cpp
11. Container With Most Water.cpp
 
 
110. Balanced Binary Tree.cpp
110. Balanced Binary Tree.cpp
 
 
1134. Armstrong Number.cpp
1134. Armstrong Number.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
 
 
136. Single Number.cpp
136. Single Number.cpp
 
 
138. Copy List with Random Pointer.cpp
138. Copy List with Random Pointer.cpp
 
 
141. Linked List Cycle.cpp
141. Linked List Cycle.cpp
 
 
143. Reorder List.cpp
143. Reorder List.cpp
 
 
1448. Count Good Nodes in Binary Tree.cpp
1448. Count Good Nodes in Binary Tree.cpp
 
 
146. LRU Cache.cpp
146. LRU Cache.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
 
 
155. Min Stack.cpp
155. Min Stack.cpp
 
 
167. Two Sum II - Input Array Is Sorted.cpp
167. Two Sum II - Input Array Is Sorted.cpp
 
 
169. Majority Element.cpp
169. Majority Element.cpp
 
 
1752. Check if Array Is Sorted and Rotated.cpp
1752. Check if Array Is Sorted and Rotated.cpp
 
 
1838. Frequency of the Most Frequent Element.cpp
1838. Frequency of the Most Frequent Element.cpp
 
 
189. Rotate Array.cpp
189. Rotate Array.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
 
 
191. Number of 1 Bits.cpp
191. Number of 1 Bits.cpp
 
 
2. Add Two Numbers.cpp
2. Add Two Numbers.cpp
 
 
20. Valid Parentheses.cpp
20. Valid Parentheses.cpp
 
 
206. Reverse Linked List.cpp
206. Reverse Linked List.cpp
 
 
21. Merge Two Sorted Lists.cpp
21. Merge Two Sorted Lists.cpp
 
 
2149. Rearrange Array Elements by Sign.cpp
2149. Rearrange Array Elements by Sign.cpp
 
 
217. Contains Duplicate.cpp
217. Contains Duplicate.cpp
 
 
22. Generate Parentheses.cpp
22. Generate Parentheses.cpp
 
 
226. Invert Binary Tree.cpp
226. Invert Binary Tree.cpp
 
 
23. Merge k Sorted Lists.cpp
23. Merge k Sorted Lists.cpp
 
 
230. Kth Smallest Element in a BST.cpp
230. Kth Smallest Element in a BST.cpp
 
 
235. Lowest Common Ancestor of a Binary Search Tree.cpp
235. Lowest Common Ancestor of a Binary Search Tree.cpp
 
 
238. Product of Array Except Self.cpp
238. Product of Array Except Self.cpp
 
 
239. Maximum Sliding Window.cpp
239. Maximum Sliding Window.cpp
 
 
242. Valid Anagram.cpp
242. Valid Anagram.cpp
 
 
25. Reverse Nodes in k-Group.cpp
25. Reverse Nodes in k-Group.cpp
 
 
26. Remove Duplicates from Sorted Array.cpp
26. Remove Duplicates from Sorted Array.cpp
 
 
268. Missing Number.cpp
268. Missing Number.cpp
 
 
27. Remove Element.cpp
27. Remove Element.cpp
 
 
271. Encode and Decode Strings.cpp
271. Encode and Decode Strings.cpp
 
 
283. Move Zeroes.cpp
283. Move Zeroes.cpp
 
 
287. Find the Duplicate Number.cpp
287. Find the Duplicate Number.cpp
 
 
297. Serialize and Deserialize Binary Tree.cpp
297. Serialize and Deserialize Binary Tree.cpp
 
 
31. Next Permutation.cpp
31. Next Permutation.cpp
 
 
33. Search in Rotated Sorted Array.cpp
33. Search in Rotated Sorted Array.cpp
 
 
338. Counting Bits.cpp
338. Counting Bits.cpp
 
 
347. Top K Frequent Elements.cpp
347. Top K Frequent Elements.cpp
 
 
36. Valid Sudoku.cpp
36. Valid Sudoku.cpp
 
 
371. Sum of Two Integers.cpp
371. Sum of Two Integers.cpp
 
 
39. Combination Sum.cpp
39. Combination Sum.cpp
 
 
4. Median of Two Sorted Arrays.cpp
4. Median of Two Sorted Arrays.cpp
 
 
42. Trapping Rain Water.cpp
42. Trapping Rain Water.cpp
 
 
424. Longest Repeating Character Replacement.cpp
424. Longest Repeating Character Replacement.cpp
 
 
485. Max Consecutive Ones.cpp
485. Max Consecutive Ones.cpp
 
 
49. Group Anagrams.cpp
49. Group Anagrams.cpp
 
 
509. Fibonacci Number.cpp
509. Fibonacci Number.cpp
 
 
53. Maximum Subarray.cpp
53. Maximum Subarray.cpp
 
 
543. Diameter of Binary tree.cpp
543. Diameter of Binary tree.cpp
 
 
567. Permutation in String.cpp
567. Permutation in String.cpp
 
 
572. Subtree of Another Tree.cpp
572. Subtree of Another Tree.cpp
 
 
66. Plus One.cpp
66. Plus One.cpp
 
 
7. Reverse Integer.cpp
7. Reverse Integer.cpp
 
 
704. Binary Search.cpp
704. Binary Search.cpp
 
 
739. Daily Temperatures.cpp
739. Daily Temperatures.cpp
 
 
74. Search a 2D Matrix.cpp
74. Search a 2D Matrix.cpp
 
 
75. Sort Colors.cpp
75. Sort Colors.cpp
 
 
76. Minimum Window String.cpp
76. Minimum Window String.cpp
 
 
84. Largest Rectangle in Histogram.cpp
84. Largest Rectangle in Histogram.cpp
 
 
853. Car Fleet.cpp
853. Car Fleet.cpp
 
 
875. Koko Eating Bananas.cpp
875. Koko Eating Bananas.cpp
 
 
9. Palindrome Number.cpp
9. Palindrome Number.cpp
 
 
98. Validate Binary Search Tree.cpp
98. Validate Binary Search Tree.cpp
 
 
981. Time Based Key-Value Store.cpp
981. Time Based Key-Value Store.cpp
 
 
README.md
README.md
 
 

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My LeetCode Journey (C++)

Hey!
This repo is where I’m uploading my LeetCode solutions starting from Day 1.
Nothing fancy, Lets see how far it goes.

Progress Tracker

Day Date Problems Solved
1 17 Oct 2025 6
2 18 Oct 2025 3
3 19 Oct 2025 7
4 20 Oct 2025 3
5 21 Oct 2025 7
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7 23 Oct 2025 4
8 24 Oct 2025 2
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10 26 Oct 2025 7
11 27 Oct 2025 4
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13 29 Oct 2025 4
14 30 Oct 2025 2
15 31 Oct 2025 2
16 01 Nov 2025 4
17 02 Nov 2025 6
18 03 Nov 2025 2
19 04 Nov 2025 1
20 05 Nov 2025 2

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My personal collection of LeetCode problem solutions in C++

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