All About Algorithms

• 01-Array
• 02-String
• 03-Tree
• 04-Stack
• 05-Linked-List
• 06-Math
• 07-Dynamic-Programming
• 08-Depth-First-Search
• 09-Breadth-First-Search
• 10-Hash-Table
• 11-Greedy
• 12-Binary-Search
• 13-Two-Pointers
• 14-Backtracking
• 15-Sort

01-Array

#	title	difficulty	complexity	link
11	Container With Most Water	Medium		py cpp
1	Two Sum	Easy		py
15	3Sum	Medium		py cpp
646	Maximum Length of Pair Chain	Medium		py
1051	Height Checker	Easy		py
697	Degree of an Array	Easy		py
1013	Partition Array Into Three Parts With Equal Sum	Easy		py

02-String

#	title	difficulty	complexity	link
833	Find And Replace in String	Medium		py
1108	Defanging an IP Address	Easy	O(n)	py
917	Reverse Only Letters	Easy		py

03-Tree

#	title	difficulty	complexity	link
94	Binary Tree Inorder Traversal	Medium		py
102	Binary Tree Level Order Traversal	Medium		py
144	Binary Tree Preorder Traversal	Medium		py
145	Binary Tree Postorder Traversal	Hard		py
257	Binary Tree Paths	Easy		py
101	Symmetric Tree	Easy		py
96	Unique Binary Search Trees	Medium		py

04-Stack

#	title	difficulty	complexity	link

05-Linked-List

#	title	difficulty	complexity	link
21	Merge Two Sorted Lists	Easy		py

06-Math

#	title	difficulty	complexity	link
371	Sum of Two Integers	Easy		py
812	Largest Triangle Area	Easy		py

07-Dynamic-Programming

#	title	difficulty	complexity	link
62	Unique Paths	Medium		py
338	Counting Bits	Medium		py
1025	Divisor Game	Easy		py
413	Arithmetic Slices	Medium		py
712	Min-ASCII Delete Sum for Two Strings	Medium		py
121	Best Time to Buy and Sell Stock	Easy		cpp
746	Min Cost Climbing Stairs	Easy		py
357	Count Numbers with Unique Digits	Medium		cpp
96	Unique Binary Search Trees	Medium		py

08-Depth-First-Search

#	title	difficulty	complexity	link
638	Shopping Offers	Medium		py

09-Breadth-First-Search

#	title	difficulty	complexity	link
733	Flood Fill	Easy		py

10-Hash-Table

#	title	difficulty	complexity	link
748	Shortest Completing Word	Easy		py

11-Greedy

#	title	difficulty	complexity	link
122	Best Time to Buy and Sell Stock II	Easy		py

12-Binary-Search

#	title	difficulty	complexity	link

13-Two-Pointers

#	title	difficulty	complexity	link
15	3Sum	Medium		py cpp

14-Backtracking

#	title	difficulty	complexity	link
77	Combinations	Medium		py

15-Sort

#	title	difficulty	complexity	link