rohankumardubey / leetcodepatterns

Solutions to the problems mentioned in Leetcode Patterns website - https://seanprashad.com/leetcode-patterns/

LeetcodePatterns

Solutions to the problems mentioned in Leetcode Patterns website.

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Patterns

Array

#	Title	Solution	Difficulty
01	Contains Duplicates	Solution	Easy
02	Missing Number	Solution	Easy
03	FindAllNumbersDisappearedInAnArray	Solution	Easy
04	Single Number	Solution	Easy
05	Convert 1D Array Into 2D Array	Solution	Easy
06	Product Of Array Except Self	Solution	Medium
07	Find The Duplicate Number	Solution	Medium
08	Find All Duplicates In An Array	Solution	Medium
09	Set Matrix Zeroes	Solution	Medium
10	Spiral Matrix	Solution	Medium
11	Rotate Image	Solution	Medium
12	Longest Consecutive Sequence	Solution	Medium
13	First Missing Positive	Solution	Medium

Breadth First Search (BFS)

#	Title	Solution	Difficulty
01	Average Of Levels In Binary Tree	Solution	Easy
02	Minimum Depth Of Binary Tree	Solution	Easy
03	Clone Graph	Solution	Medium
04	Pacific Atlantic Water Flow	Solution	Medium
05	Number Of Islands	Solution	Medium
06	Graph Valid Tree	Solution	Medium
07	Number Of Connected Components In An Undirected Graph	Solution	Medium
08	Course Schedule	Solution	Medium
09	Course Schedule II	Solution	Medium
10	Minimum Height Trees	Solution	Medium
11	Binary Tree Level Order Traversal	Solution	Medium
12	Binary Tree Level Order Traversal II	Solution	Medium
13	Binary Tree Zigzag Level Order Traversal	Solution	Medium
14	Populating Next Right Pointers In Each Node	Solution	Medium
15	Populating Next Right Pointers In Each Node II	Solution	Medium
16	Binary Tree Right Side View	Solution	Medium
17	All Nodes Distance K In Binary Tree	Solution	Medium

Backtracking

#	Title	Solution	Difficulty
01	Word Search	Solution	Medium
02	Letter Case Permutation	Solution	Medium
03	Subsets	Solution	Medium
04	Subsets II	Solution	Medium
05	Permutations	Solution	Medium
06	Permutations II	Solution	Medium
07	Combinations	Solution	Medium
08	Combination Sum	Solution	Medium
09	Combination Sum II	Solution	Medium
10	Combination Sum III	Solution	Medium
11	Generate Parentheses	Solution	Medium
12	Palindrome Partitioning	Solution	Medium
13	Letter Combinations Of A Phone Number	Solution	Medium
14	Generalized Abbreviation	Solution	Medium
15	Sudoku Solver	Solution	Hard
16	N-Queens	Solution	Hard

Binary Search

#	Title	Solution	Difficulty
1	Binary Search	Solution	Easy
2	Find Smallest Letter Greater Than Target	Solution	Easy
3	Find The Duplicate Number	Solution	Medium
4	Kth Smallest ELement In A Sorted Matrix	Solution	Medium
5	Peak Index In A Mountain Array	Solution	Medium
6	Find Minimum In A Rotated Sorted Array	Solution	Medium
7	Find Peak Element	Solution	Medium
8	Search In Rotated Sorted Array	Solution	Medium
9	Search In Rotated Sorted Array II	Solution	Medium
10	Search A 2D Matrix	Solution	Medium
11	Search A 2D Matrix II	Solution	Medium
12	Find K Closest Elements	Solution	Medium
13	Count Of Range Sum	Solution	Hard
14	Median Of Two Sorted Arrays	Solution	Hard