21-Days-DSA-Challenge

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Contributing guidelines - Contributing.md

21 Days DSA Challenge - Problems Table

Day	Problem Name	Solution Video	Problem Link
Day 1	Count pairs with given sum	Solution Video 1	Problem Link 1
Day 2	Remove character	Solution Video 2	Problem Link 2
Day 3	Buy Stock 2	Solution Video 3	Problem Link 3
Day 4	Mirror Tree	Solution Video 4	Problem Link 4
Day 5	Lowest Common Ancestor in a Binary Tree	Solution Video 5	Problem Link 5
Day 6	Search in a matrix	Solution Video 6	Problem Link 6
Day 7	K largest elements	Solution Video 7	Problem Link 7
Day 8	Right View of Binary Tree	Solution Video 8	Problem Link 8
Day 9	Triangle path sum	Solution Video 9	Problem Link 9
Day 10	Nth Fibonacci number	Solution Video 10	Problem Link 10
Day 11	Find the number of islands	Solution Video 11	Problem Link 11
Day 12	Word Ladder 1	Solution Video 12	Problem Link 12
Day 13	Overlapping Intervals	Solution Video 13	Problem Link 13
Day 14	Reverse a linked list	Solution Video 14	Problem Link 14
Day 15	Merge Sort for Linked List	Solution Video 15	Problem Link 15
Day 16	Spirally traversing a matrix	Solution Video 16	Problem Link 16
Day 17	Container With Most Water	Solution Video 17	Problem Link 17
Day 18	Parenthesis Checker	Solution Video 18	Problem Link 18
Day 19	Longest consecutive subsequence	Solution Video 19	Problem Link 19
Day 20	Generate Parentheses	Solution Video 20	Problem Link 20
Day 21	Phone directory	Solution Video 21	Problem Link 21

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Check this out for more in-depth understanding of Data Strcutures and Algorithms.

Name		Name	Last commit message	Last commit date
Latest commit History 147 Commits
Day 1		Day 1
Day 10		Day 10
Day 12		Day 12
Day 13		Day 13
Day 14		Day 14
Day 15		Day 15
Day 16		Day 16
Day 17		Day 17
Day 18		Day 18
Day 19		Day 19
Day 2		Day 2
Day 21		Day 21
Day 3		Day 3
Day 4		Day 4
Day 5		Day 5
Day 6		Day 6
Day 7		Day 7
Day 8		Day 8
Day 9		Day 9
Deepak		Deepak
0. Contributing.md		0. Contributing.md
1. Count pairs with given sum.cpp		1. Count pairs with given sum.cpp
10. Nth Fibonacci Number.cpp		10. Nth Fibonacci Number.cpp
11. Find the number of islands.cpp		11. Find the number of islands.cpp
12. Word Ladded 1.cpp		12. Word Ladded 1.cpp
13. Overlapping Intervals.cpp		13. Overlapping Intervals.cpp
14. Reverse a linked list.cpp		14. Reverse a linked list.cpp
15. Merge Sort for Linked List.cpp		15. Merge Sort for Linked List.cpp
16. Spirally traversing a matrix.cpp		16. Spirally traversing a matrix.cpp
17. Container With Most Water.cpp		17. Container With Most Water.cpp
18. Parenthesis Checker.cpp		18. Parenthesis Checker.cpp
19. Longest consecutive subsequence.cpp		19. Longest consecutive subsequence.cpp
2. Remove character.cpp		2. Remove character.cpp
20. Generate Parentheses.cpp		20. Generate Parentheses.cpp
21. Phone directory.cpp		21. Phone directory.cpp
3. Buy Stock 2.cpp		3. Buy Stock 2.cpp
4. Mirror Tree.cpp		4. Mirror Tree.cpp
5. Lowest Common Ancestor in a Binary Tree.cpp		5. Lowest Common Ancestor in a Binary Tree.cpp
6. Search in a matrix.cpp		6. Search in a matrix.cpp
7. K largest elements.cpp		7. K largest elements.cpp
8. Right View of Binary Tree.cpp		8. Right View of Binary Tree.cpp
9. Triangle Path Sum.cpp		9. Triangle Path Sum.cpp
README.md		README.md

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21-Days-DSA-Challenge

21 Days DSA Challenge - Problems Table

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