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.ipynb_checkpoints
.ipynb_checkpoints
 
 
.gitignore
.gitignore
 
 
1-Two-Sum.md
1-Two-Sum.md
 
 
10-Regular-Expression-Matching.md
10-Regular-Expression-Matching.md
 
 
100-Same-Tree.md
100-Same-Tree.md
 
 
101-Symmetric-Tree.md
101-Symmetric-Tree.md
 
 
102-Binary-Tree-Level-Order-Traversal.md
102-Binary-Tree-Level-Order-Traversal.md
 
 
103-Binary-Tree-Zigzag-Level-Order-Traversal.md
103-Binary-Tree-Zigzag-Level-Order-Traversal.md
 
 
104-Maximum-Depth-of-Binary-Tree.md
104-Maximum-Depth-of-Binary-Tree.md
 
 
105-Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal.md
105-Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal.md
 
 
106-Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal.md
106-Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal.md
 
 
107-Binary-Tree-Level-Order-Traversal-II.md
107-Binary-Tree-Level-Order-Traversal-II.md
 
 
108-Convert-Sorted-Array-to-Binary-Search-Tree.md
108-Convert-Sorted-Array-to-Binary-Search-Tree.md
 
 
109-Convert-Sorted-List-to-Binary-Search-Tree.md
109-Convert-Sorted-List-to-Binary-Search-Tree.md
 
 
11-Container-With-Most-Water.md
11-Container-With-Most-Water.md
 
 
110-Balanced-Binary-Tree.md
110-Balanced-Binary-Tree.md
 
 
111-Minimum-Depth-of-Binary-Tree.md
111-Minimum-Depth-of-Binary-Tree.md
 
 
112-Path-Sum.md
112-Path-Sum.md
 
 
113-Path-Sum-II.md
113-Path-Sum-II.md
 
 
114-Flatten-Binary-Tree-to-Linked-List.md
114-Flatten-Binary-Tree-to-Linked-List.md
 
 
115-Distinct-Subsequences.md
115-Distinct-Subsequences.md
 
 
116-Populating-Next-Right-Pointers-in-Each-Node.md
116-Populating-Next-Right-Pointers-in-Each-Node.md
 
 
117-Populating-Next-Right-Pointers-in-Each-Node-II.md
117-Populating-Next-Right-Pointers-in-Each-Node-II.md
 
 
12-Integer-to-Roman.md
12-Integer-to-Roman.md
 
 
120-Triangle.md
120-Triangle.md
 
 
121-Best-Time-to-Buy-and-Sell-Stock.md
121-Best-Time-to-Buy-and-Sell-Stock.md
 
 
122-Best-Time-to-Buy-and-Sell-Stock-II.md
122-Best-Time-to-Buy-and-Sell-Stock-II.md
 
 
123-Best-Time-to-Buy-and-Sell-Stock-III.md
123-Best-Time-to-Buy-and-Sell-Stock-III.md
 
 
124-Binary-Tree-Maximum-Path-Sum.md
124-Binary-Tree-Maximum-Path-Sum.md
 
 
125-Valid-Palindrome.md
125-Valid-Palindrome.md
 
 
126-Word-Ladder-II.md
126-Word-Ladder-II.md
 
 
127-Word-Ladder.md
127-Word-Ladder.md
 
 
128-Longest-Consecutive-Sequence.md
128-Longest-Consecutive-Sequence.md
 
 
129-Sum-Root-to-Leaf-Numbers.md
129-Sum-Root-to-Leaf-Numbers.md
 
 
13-Roman-to-Integer.md
13-Roman-to-Integer.md
 
 
130-Surrounded-Regions.md
130-Surrounded-Regions.md
 
 
131-Palindrome-Partitioning.md
131-Palindrome-Partitioning.md
 
 
132-Palindrome-Partitioning-II.md
132-Palindrome-Partitioning-II.md
 
 
133-Clone-Graph.md
133-Clone-Graph.md
 
 
134-Gas-Station.md
134-Gas-Station.md
 
 
135-Candy.md
135-Candy.md
 
 
136-Single-Number.md
136-Single-Number.md
 
 
137-Single-Number-II.md
137-Single-Number-II.md
 
 
138-Copy-List-with-Random-Pointer.md
138-Copy-List-with-Random-Pointer.md
 
 
139-Word-Break.md
139-Word-Break.md
 
 
14-Longest-Common-Prefix.md
14-Longest-Common-Prefix.md
 
 
140-Word-Break-II.md
140-Word-Break-II.md
 
 
141-Linked-List-Cycle.md
141-Linked-List-Cycle.md
 
 
142-Linked-List-Cycle-II.md
142-Linked-List-Cycle-II.md
 
 
143-Reorder-List.md
143-Reorder-List.md
 
 
144-Binary-Tree-Preorder-Traversal.md
144-Binary-Tree-Preorder-Traversal.md
 
 
145-Binary-Tree-Postorder-Traversal.md
145-Binary-Tree-Postorder-Traversal.md
 
 
146-LRU-Cache.md
146-LRU-Cache.md
 
 
147-Insertion-Sort-List.md
147-Insertion-Sort-List.md
 
 
148-Sort-List.md
148-Sort-List.md
 
 
149-Max-Points-on-a-Line.md
149-Max-Points-on-a-Line.md
 
 
15-3Sum.md
15-3Sum.md
 
 
150-Evaluate-Reverse-Polish-Notation.md
150-Evaluate-Reverse-Polish-Notation.md
 
 
151-Reverse-Words-in-a-String.md
151-Reverse-Words-in-a-String.md
 
 
152-Maximum-Product-Subarray.md
152-Maximum-Product-Subarray.md
 
 
153-Find-Minimum-in-Rotated-Sorted-Array.md
153-Find-Minimum-in-Rotated-Sorted-Array.md
 
 
154-Find-Minimum-in-Rotated-Sorted-Array-II.md
154-Find-Minimum-in-Rotated-Sorted-Array-II.md
 
 
155-Min-Stack.md
155-Min-Stack.md
 
 
16-3Sum-Closest.md
16-3Sum-Closest.md
 
 
160-Intersection-of-Two-Linked-Lists.md
160-Intersection-of-Two-Linked-Lists.md
 
 
162-Find-Peak-Element.md
162-Find-Peak-Element.md
 
 
164-Maximum-Gap.md
164-Maximum-Gap.md
 
 
165-Compare-Version-Numbers.md
165-Compare-Version-Numbers.md
 
 
166-Fraction-to-Recurring-Decimal.md
166-Fraction-to-Recurring-Decimal.md
 
 
168-Excel-Sheet-Column-Title.md
168-Excel-Sheet-Column-Title.md
 
 
169-Majority-Element.md
169-Majority-Element.md
 
 
17-Letter-Combinations-of-a-Phone-Number.md
17-Letter-Combinations-of-a-Phone-Number.md
 
 
170-Two-Sum-III---Data-structure-design.md
170-Two-Sum-III---Data-structure-design.md
 
 
171-Excel-Sheet-Column-Number.md
171-Excel-Sheet-Column-Number.md
 
 
172-Factorial-Trailing-Zeroes.md
172-Factorial-Trailing-Zeroes.md
 
 
173-Binary-Search-Tree-Iterator.md
173-Binary-Search-Tree-Iterator.md
 
 
174-Dungeon-Game.md
174-Dungeon-Game.md
 
 
179-Largest-Number.md
179-Largest-Number.md
 
 
18-4Sum.md
18-4Sum.md
 
 
19-Remove-Nth-Node-From-End-of-List.md
19-Remove-Nth-Node-From-End-of-List.md
 
 
2-Add-Two-Numbers.md
2-Add-Two-Numbers.md
 
 
20-Valid-Parentheses.md
20-Valid-Parentheses.md
 
 
21-Merge-Two-Sorted-Lists.md
21-Merge-Two-Sorted-Lists.md
 
 
22-Generate-Parentheses.md
22-Generate-Parentheses.md
 
 
23-Merge-k-Sorted-Lists.md
23-Merge-k-Sorted-Lists.md
 
 
24-Swap-Nodes-in-Pairs.md
24-Swap-Nodes-in-Pairs.md
 
 
25-Reverse-Nodes-in-k-Group.md
25-Reverse-Nodes-in-k-Group.md
 
 
26-Remove-Duplicates-from-Sorted-Array.md
26-Remove-Duplicates-from-Sorted-Array.md
 
 
27-Remove-Element.md
27-Remove-Element.md
 
 
29-Divide-Two-Integers.md
29-Divide-Two-Integers.md
 
 
3-Longest-Substring-Without-Repeating-Characters.md
3-Longest-Substring-Without-Repeating-Characters.md
 
 
30-Substring-with-Concatenation-of-All-Words.md
30-Substring-with-Concatenation-of-All-Words.md
 
 
31-Next-Permutation.md
31-Next-Permutation.md
 
 
32-Longest-Valid-Parentheses.md
32-Longest-Valid-Parentheses.md
 
 
33-Search-in-Rotated-Sorted-Array.md
33-Search-in-Rotated-Sorted-Array.md
 
 
34-Search-for-a-Range.md
34-Search-for-a-Range.md
 
 
35-Search-Insert-Position.md
35-Search-Insert-Position.md
 
 
36-Valid-Sudoku.md
36-Valid-Sudoku.md
 
 
37-Sudoku-Solver.md
37-Sudoku-Solver.md
 
 
38-Count-and-Say.md
38-Count-and-Say.md
 
 

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leetcode-python

This repository contains solutions written in Python to the problems on leetcode

The goal of this project is to provide the best solutions. Therefore, contributions are welcome if the existing solution to a problem can be improved.

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solutions and discussions about problems on https://oj.leetcode.com/problemset/algorithms/

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