LeetCode Solutions

A collection of LeetCode problem solutions, focusing on recursion and algorithmic problem-solving.

Problems

Serial #	#	Problem	Category	LeetCode	Solution	YouTube
1	22	Generate Parentheses	Recursion	View	lc22_generate_parentheses.py	Watch
2	46	Permutations	Recursion	View	lc46_permutations.py	Watch
3	77	Combinations	Recursion	View	lc77_combinations.py	Watch
4	78	Subsets	Recursion	View	lc78_subsequences_of_string.py	Watch
5	79	Word Search	Recursion	View	lc79_word_search.py	Watch
6	90	Subsets II	Recursion	View	lc90_subsets_ii.py	Watch
7	89	Gray Code	Recursion	View	lc89_gray_code.py	Watch
8	257	Binary Tree Paths	Recursion	View	lc257_binary_tree_paths.py	Watch
9	39	Combination Sum	Recursion	View	lc39_combination_sum.py	Watch

Running Solutions

Each file can be run independently:

python recursion/lc46_permutations.py

Running Tests

Install dependencies:

pip install -r requirements.txt

Run all tests:

pytest

Run tests for a specific file:

pytest tests/test_lc46_permutations.py

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