bettafish15/algorithms

algorithms questions and answers leetcode

pattern, data structure, algorithm

Here are the patterns

1. Sliding Window
2. Islands (Matrix Traversal)
3. Two Pointers
4. Fast & Slow Pointers
5. Merge Intervals
6. Cyclic Sort
7. In-place Reversal of a LinkedList
8. Tree Breadth-First Search
9. Tree Depth First Search
10. Two Heaps
11. Subsets
12. Modified Binary Search
13. Bitwise XOR
14. Top ‘K’ Elements
15. K-way Merge
16. Topological Sort
17. 0/1 Knapsack
18. Fibonacci Numbers
19. Palindromic Subsequence
20. Longest Common Substring

data structure: 7

1. Array/List ·
2. Linked List ·
3. Hash Tables ·
4. Queue ·
5. Stack ·
6. Trees (Binary,v.v..) ·
7. Graphs.

Types: 9 2.Backtracking algorithms 3.Divide and Conquer algorithms 4.Dynamic Programming algorithms 5.Greedy algorithms 9.Dijkstra’s algorithm - https://leetcode.com/list/53js48ke/ - https://leetcode.com/discuss/interview-question/731911/please-share-dijkstras-algorithm-questions

branch and bound ? randomized ?