Solutions to Blind Curated 75

Originally posted here.

Array

Sl	Problem	Solution
1	Two Sum	Solution
2	Best Time to Buy and Sell Stock
3	Contains Duplicate	Solution
4	Product of Array Except Self
5	Maximum Subarray
6	Maximum Product Subarray
7	Find Minimum in Rotated Sorted Array
8	Search in Rotated Sorted Array
9	3Sum
10	Container With Most Water

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Binary

Sl	Problem	Solution
1	Sum of Two Integers	Solution
2	Number of 1 Bits	Solution
3	Counting Bits	Solution
4	Missing Number	Solution
5	Reverse Bits

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Dynamic Programming

Sl	Problem	Solution
1	Climbing Stairs
2	Coin Change
3	Longest Increasing Subsequence
4	Longest Common Subsequence
5	Word Break Problem
6	Combination Sum	Solution
7	House Robber
8	House Robber II
9	Decode Ways
10	Unique Paths
11	Jump Game

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Graph

Sl	Problem	Solution
1	Clone Graph
2	Course Schedule
3	Pacific Atlantic Water Flow
4	Number of Islands
5	Longest Consecutive Sequence
6	Alien Dictionary (Leetcode Premium)
7	Graph Valid Tree (Leetcode Premium)
8	Number of Connected Components in an Undirected Graph (Leetcode Premium)

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Interval

Sl	Problem	Solution
1	Insert Interval
2	Merge Intervals
3	Non-overlapping Intervals
4	Meeting Rooms (Leetcode Premium)
5	Meeting Rooms II (Leetcode Premium)

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Linked List

Sl	Problem	Solution
1	Reverse a Linked List
2	Detect Cycle in a Linked List
3	Merge Two Sorted Lists
4	Merge K Sorted Lists
5	Remove Nth Node From End Of List
6	Reorder List

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Matrix

Sl	Problem	Solution
1	Set Matrix Zeroes
2	Spiral Matrix	Solution
3	Rotate Image
4	Word Search

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String

Sl	Problem	Solution
1	Longest Substring Without Repeating Characters
2	Longest Repeating Character Replacement
3	Minimum Window Substring
4	Valid Anagram
5	Group Anagrams
6	Valid Parentheses
7	Valid Palindrome
8	Longest Palindromic Substring
9	Palindromic Substrings
10	Encode and Decode Strings (Leetcode Premium)

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Tree

Sl	Problem	Solution
1	Maximum Depth of Binary Tree
2	Same Tree
3	Invert/Flip Binary Tree
4	Binary Tree Maximum Path Sum
5	Binary Tree Level Order Traversal
6	Serialize and Deserialize Binary Tree
7	Subtree of Another Tree
8	Construct Binary Tree from Preorder and Inorder Traversal
9	Validate Binary Search Tree
10	Kth Smallest Element in a BST
11	Lowest Common Ancestor of BST
12	Implement Trie (Prefix Tree)
13	Add and Search Word
14	Word Search II

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Heap

Sl	Problem	Solution
1	Merge K Sorted Lists
2	Top K Frequent Elements	Solution
3	Find Median from Data Stream