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140 Commits
C++
C++
 
 
.gitignore
.gitignore
 
 
1.two-sum.py
1.two-sum.py
 
 
102.binary-tree-level-order-traversal.py
102.binary-tree-level-order-traversal.py
 
 
11.container-with-most-water.py
11.container-with-most-water.py
 
 
118.pascals-triangle.py
118.pascals-triangle.py
 
 
12.integer-to-roman.py
12.integer-to-roman.py
 
 
121.best-time-to-buy-and-sell-stock.py
121.best-time-to-buy-and-sell-stock.py
 
 
13.roman_to_int.py
13.roman_to_int.py
 
 
136.single-number.py
136.single-number.py
 
 
137.single-number-ii.py
137.single-number-ii.py
 
 
14.letter-combination-phn.py
14.letter-combination-phn.py
 
 
141.linked-list-cycle.py
141.linked-list-cycle.py
 
 
142.linked-list-cycle-ii.py
142.linked-list-cycle-ii.py
 
 
144.binary-tree-preorder-traversal.py
144.binary-tree-preorder-traversal.py
 
 
145.binary-tree-postorder-traversal.py
145.binary-tree-postorder-traversal.py
 
 
147.insertion-sort-list.py
147.insertion-sort-list.py
 
 
148.sort-list.py
148.sort-list.py
 
 
1480.running-sum-of-1d-array.py
1480.running-sum-of-1d-array.py
 
 
15.3sum.py
15.3sum.py
 
 
16.3sum-closest.py
16.3sum-closest.py
 
 
167.two-sum-ii-input-array-is-sorted.py
167.two-sum-ii-input-array-is-sorted.py
 
 
169.majority-element.py
169.majority-element.py
 
 
17.longestcommonprefix.py
17.longestcommonprefix.py
 
 
18.4sum.py
18.4sum.py
 
 
189.rotate-array.py
189.rotate-array.py
 
 
19.remove-nth-node-from-end-of-list.py
19.remove-nth-node-from-end-of-list.py
 
 
2.add-two-numbers.py
2.add-two-numbers.py
 
 
20.valid-parentheses.py
20.valid-parentheses.py
 
 
203.remove-linked-list-elements.py
203.remove-linked-list-elements.py
 
 
205.isomorphic-strings.py
205.isomorphic-strings.py
 
 
206.reverse-linked-list.py
206.reverse-linked-list.py
 
 
21.merge-two-sorted-lists.py
21.merge-two-sorted-lists.py
 
 
217.contains-duplicate.py
217.contains-duplicate.py
 
 
23.merge-k-sorted-lists.py
23.merge-k-sorted-lists.py
 
 
232.implement-queue-using-stacks.py
232.implement-queue-using-stacks.py
 
 
24.swap-nodes-in-pairs.py
24.swap-nodes-in-pairs.py
 
 
242.valid-anagram.py
242.valid-anagram.py
 
 
25.reverse-nodes-in-k-group.py
25.reverse-nodes-in-k-group.py
 
 
26.remove-duplicates-from-sorted-array.py
26.remove-duplicates-from-sorted-array.py
 
 
27.remove-element.py
27.remove-element.py
 
 
278.first-bad-version.py
278.first-bad-version.py
 
 
28.find-the-index-of-the-first-occurrence-in-a-string.py
28.find-the-index-of-the-first-occurrence-in-a-string.py
 
 
283.move-zeros.py
283.move-zeros.py
 
 
29.divide-two-integers.py
29.divide-two-integers.py
 
 
3.longest-substring-without-repeating-characters.py
3.longest-substring-without-repeating-characters.py
 
 
32.longest-valid-parentheses.py
32.longest-valid-parentheses.py
 
 
33.search-in-rotated-sorted-array.py
33.search-in-rotated-sorted-array.py
 
 
34.find-first-and-last-position-of-element-in-sorted-array.py
34.find-first-and-last-position-of-element-in-sorted-array.py
 
 
344.reverse-string.py
344.reverse-string.py
 
 
35.search-insert-position.py
35.search-insert-position.py
 
 
350.intersection-of-two-arrays-ii.py
350.intersection-of-two-arrays-ii.py
 
 
36.valid-sudoku.py
36.valid-sudoku.py
 
 
383.ransom-note.py
383.ransom-note.py
 
 
387.first-unique-character-in-a-string.py
387.first-unique-character-in-a-string.py
 
 
392.is-subsequence.py
392.is-subsequence.py
 
 
4.median-of-two-sorted-arrays.py
4.median-of-two-sorted-arrays.py
 
 
409.longest-palindrome.py
409.longest-palindrome.py
 
 
5.longest-palindromic-substring.py
5.longest-palindromic-substring.py
 
 
53.maximum-subarray.py
53.maximum-subarray.py
 
 
542.01-matrix.py
542.01-matrix.py
 
 
55.jump-game.py
55.jump-game.py
 
 
566.reshape-the-matrix.py
566.reshape-the-matrix.py
 
 
567.permutation-in-string.py
567.permutation-in-string.py
 
 
577.reverse-words-in-a-string-iii.py
577.reverse-words-in-a-string-iii.py
 
 
58.length-of-last-word.py
58.length-of-last-word.py
 
 
589.n-ary-tree-preorder-traversal.py
589.n-ary-tree-preorder-traversal.py
 
 
617.merge-two-binary-trees.py
617.merge-two-binary-trees.py
 
 
695.max-area-of-island.py
695.max-area-of-island.py
 
 
7.reverse-integer.py
7.reverse-integer.py
 
 
704.binary-search.py
704.binary-search.py
 
 
706.design-hashmap.py
706.design-hashmap.py
 
 
724.find-pivot-index.py
724.find-pivot-index.py
 
 
733.flood-fill.py
733.flood-fill.py
 
 
74.search-a-2d-matrix.py
74.search-a-2d-matrix.py
 
 
8.string-to-integer-atoi.py
8.string-to-integer-atoi.py
 
 
83.remove-duplicates-from-sorted-list.py
83.remove-duplicates-from-sorted-list.py
 
 
876.middle-of-the-linked-list.py
876.middle-of-the-linked-list.py
 
 
88.merge-sorted-array.py
88.merge-sorted-array.py
 
 
9.palindrome-number.py
9.palindrome-number.py
 
 
94.binary-tree-inorder-traversal.py
94.binary-tree-inorder-traversal.py
 
 
944.rotten-oranges.py
944.rotten-oranges.py
 
 
977.squares-of-a-sorted-array.py
977.squares-of-a-sorted-array.py
 
 
UPDATE.py
UPDATE.py
 
 
readme.md
readme.md
 
 

Repository files navigation

This repository contains my solvs for leetcode

After a long time, I thought of going back to problem-solving. As an AI engineer, I haven't practiced the core concepts of data structures and algorithms for a long time. So I guess, I will just keep solving at least one problem every day.

Date Problem Solve
Day 1 (03/10/2022) Roman to Integer My Solve
Day 1 (03/10/2022) Longest Common Prefix My Solve
Day 1 (03/10/2022) 3sum My Solve
Day 1 (03/10/2022) 3sum-closest My Solve
Day 2 (04/10/2022) Letter Combinations of a Phone Number My Solve
Day 2 (04/10/2022) Two Sum My Solve
Day 3 (05/10/2022) Add Two Numbers My Solve
Day 3 (05/10/2022) Longest Substring Without Repeating Characters My Solve
Day 4 (06/10/2022) Median of Two Sorted Arrays My Solve
Day 4 (06/10/2022) Longest palindromic Substring My Solve
Day 5 (07/10/2022) Palindrome Number My Solve
Day 5 (08/10/2022) Reverse Integer My Solve
Day 6 (11/10/2022) String to Integer (atoi) My Solve
Day 6 (11/10/2022) Container with Most Water My Solve
Day 6 (11/10/2022) Integer to Roman My Solve
Day 7 (12/10/2022) 4 Sum My Solve
Day 7 (12/10/2022) Remove nth Node from the end of list My Solve
Day 7 (12/10/2022) Valid Parentheses My Solve
Day 7 (12/10/2022) Merge two sorted list My Solve
Day 8 (13/10/2022) Merge k sorted lists My Solve
Day 8 (13/10/2022) Swap nodes in pairs My Solve
Day 8 (13/10/2022) Reverse nodes in K-Group My Solve
Day 8 (13/10/2022) Remove duplicates from a sorted array My Solve
Day 8 (13/10/2022) Remove Element My Solve
Day 8 (13/10/2022) Find the Index of the First Occurrence in a String My Solve
Day 9 (14/10/2022) Longest Valid Parentheses My Solve
Day 10 (17/10/2022) Search in Rotated Sorted Array My Solve
Day 10 (17/10/2022) Find First and Last position of an element in a Sorted Array My Solve
Day 10 (17/10/2022) Search Insert Position My Solve
Day 10 (17/10/2022) Binary Search My Solve
Day 10 (17/10/2022) First Bad Version My Solve
Day 11 (18/10/2022) Squares of a sorted Array My Solve
Day 11 (18/10/2022) Rotate Array My Solve
Day 11 (18/10/2022) Move Zeros My Solve
Day 11 (18/10/2022) Two Sum II - Input Array Is Sorted My Solve
Day 11 (18/10/2022) Reverse String My Solve
Day 11 (18/10/2022) Reverse Words in a String III My Solve
Day 11 (18/10/2022) Middle of the Linked List My Solve
Day 11 (18/10/2022) Permutation in String My Solve
Day 12 (19/10/2022) Divide Two Integers My Solve
Day 12 (19/10/2022) Contains Duplicate My Solve
Day 13 (20/10/2022) Maximum Subarray My Solve
Day 13 (20/10/2022) Merge Sorted Array My Solve
Day 13 (20/10/2022) Flood Fill My Solve
Day 14 (21/10/2022) Insertion of Two Arrays II My Solve
Day 14 (21/10/2022) Best time to Buy and Sell Stock My Solve
Day 14 (21/10/2022) Reshape The Matrix My Solve
Day 15 (21410/2022) Valid Sudoku My Solve
Day 15 (24/10/2022) Max Area of Island My Solve
Day 15 (24/10/2022) Search a 2D Matrix My Solve
Day 15 (24/10/2022) First Unique Character in a String My Solve
Day 15 (24/10/2022) Ransom Note My Solve
Day 15 (24/10/2022) Valid Anagram My Solve
Day 15 (24/10/2022) Linked List Cycle My Solve
Day 15 (24/10/2022) Merge Two Sorted Lists My Solve
Day 16 (25/10/2022) Remove Duplicates from Sorted List My Solve
Day 16 (25/10/2022) Remove Linked List Elements My Solve
Day 16 (25/10/2022) Reverse Linked List My Solve
Day 16 (25/10/2022) Pascals Triangle My Solve
Day 16 (25/10/2022) Merge Two Binary Trees My Solve
Day 17 (26/10/2022) Rotten Oranges My Solve
Day 18 (27/10/2022) Implement Queue using Stacks My Solve
Day 18 (27/10/2022) 01 Matrix My Solve
Day 18 (27/10/2022) Binary Tree Preorder Traversal My Solve
Day 19 (31/10/2022) Binary Tree Inorder Traversal My Solve
Day 19 (31/10/2022) Binary Tree Postorder Traversal My Solve
Day 20 (1/11/2022) Binary Tree Level Order Traversal My Solve
Day 20 (1/11/2022) Linked List Cycle II My Solve
Day 20 (1/11/2022) Isomorphic Strings My Solve
Day 20 (1/11/2022) Is Subsequence My Solve
Day 20 (1/11/2022) Longest Palindrome My Solve
Day 20 (1/11/2022) N-ary Tree Preorder Traversal My Solve
Day 20 (1/11/2022) Find Pivot Index My Solve
Day 20 (1/11/2022) Running Sum of 1D Array My Solve
Day 21 (2/11/2022) Length of Last Word My Solve
Day 22 (8/11/2022) Single Number My Solve
Day 23 (9/11/2022) Single Number II My Solve
Day 23 (9/11/2022) Majority Element My Solve
Day 24 (10/11/2022) Insertion Sort List My Solve
Day 24 (10/11/2022) Sort List My Solve
Day 25 (16/11/2022) Design Hashmap My Solve
Day 25 (16/11/2022) Jump Game My Solve

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