The Essential Algorithms and Data Structures

سرفصل های دوره

Bootstrap DSA with Blind 75, a problem set from an ex-Meta Engineer.

1. Introduction

1. Concepts

2. Note.html

2. Arrays

1.1 01 two sum.zip

1.2 Problem Link.html

1. Two Sum

2.1 02 stock.zip

2.2 Problem Link.html

2. Best Time to Buy and Sell Stocks

3.1 04 product except self.zip

3.2 Problem Link.html

3. Product of Array Except Self

4.1 03 contain duplicate.zip

4.2 Problem Link.html

4. Contains Duplicate

5.1 05 kadane.zip

5.2 Problem Link.html

5. Maximum Subarray

6.1 06 mx product.zip

6.2 Problem Link.html

6. Maximum Product Subarray

7.1 07 rotated sorted.zip

7.2 Problem Link.html

7. Find Minimum in Rotated Sorted Array

8.1 08 rotated sorted search.zip

8.2 Problem Link.html

8. Search in Rotated Sorted Array

9.1 09 3 sum.zip

9.2 3 sum.html

9. 3Sum

10.1 10 water trapping.zip

10.2 Problem Link.html

10. Container With Most Water

3. Bit Manipulation

1.1 11 sum of ints.zip

1.2 Problem Link.html

1. Sum of Two Integers

2.1 12 no of 1s.zip

2.2 Problem Link.html

2. Number of 1 Bits

3.1 13 bit cnt list.zip

3.2 Problem Link.html

3. Counting Bits

4.1 14 missing number.zip

4.2 Problem Link.html

4. Missing Number

5.1 15 reverse bits.zip

5.2 Problem Link.html

5. Reverse Bits

4. Dynamic Programing

1.1 16 climb stairs.zip

1.2 Problem Link.html

1. Climbing Stairs

2.1 17 coin change.zip

2.2 Problem Link.html

2. Coin Change

3.1 18 lis.zip

3.2 Problem Link.html

3. Longest Increasing Subsequence

4.1 19 longest common subsequence.zip

4.2 Problem Link.html

4. Longest Common Subsequence

5.1 20 word break.zip

5.2 Problem Link.html

5. Word Break Problem

6.1 21 combination sum.zip

6.2 Problem Link.html

6. Combination Sum

7.1 22 house rober.zip

7.2 Problem Link.html

7. House Robber

8.1 23 house rober 2.zip

8.2 Problem Link.html

8. House Robber II

9.1 24 decode ways.zip

9.2 Problem Link.html

9. Decode Ways

10.1 25 unique path.zip

10.2 Problem Link.html

10. Unique Paths

11.1 26 jump game.zip

11.2 Problem Link.html

11. Jump Game

5. Graph Theory

1.1 27 clone graph.zip

1.2 Problem Link.html

1. Clone Graph

2.1 28 course schedule.zip

2.2 Problem Link.html

2. Course Schedule

3.1 29 pacific atlantic.zip

3.2 Problem Link.html

3. Pacific Atlantic Water Flow

4.1 30 number of isles.zip

4.2 Problem Link.html

4. Number of Islands

5.1 31 longest consecutive sequence.zip

5.2 Problem Link.html

5. Longest Consecutive Sequence

6.1 32 alien dictionary.zip

6.2 Problem Link.html

6. Alien Dictionary

7.1 33 valid tree.zip

7.2 Problem Link.html

7. Graph Valid Tree

8.1 34 connnected components.zip

8.2 Problem Link.html

8. Number of Connected Components in an Undirected Graph

6. Intervals

1.1 35 insert interval.zip

1.2 Problem Link.html

1. Insert Interval

2.1 36 merge intervals.zip

2.2 Problem Link.html

2. Merge Intervals

3.1 37 non overlapping intervals.zip

3.2 Problem Link.html

3. Non-overlapping Intervals

4.1 38 can attent meeting.zip

4.2 Problem Link.html

4. Meeting Rooms

5.1 39 meeting room 2.zip

5.2 Problem Link.html

5. Meeting Rooms II

7. Linked List

1.1 40 reverse linked list.zip

1.2 Problem Link.html

1. Reverse a Linked List

2.1 41 cycle ll.zip

2.2 Problem Link.html

2. Detect Cycle in a Linked List

3.1 42 merge 2 ll.zip

3.2 Problem Link.html

3. Merge Two Sorted Lists

4.1 43 merge sorted lists.zip

4.2 Problem Link.html

4. Merge K Sorted Lists

5.1 44 remove nth node from end.zip

5.2 Problem Link.html

5. Remove Nth Node From End Of List

6.1 45 reorder list.zip

6.2 Problem Link.html

6. Reorder List

8. Matrix

1.1 46 set 0s.zip

1.2 Problem Link.html

1. Set Matrix Zeroes

2.1 47 spiral order.zip

2.2 Problem Link.html

2. Spiral Matrix

3.1 48 rotate matrix.zip

3.2 Problem Link.html

3. Rotate Image

4.1 49 word search.zip

4.2 Problem Link.html

4. Word Search

9. Strings

1.1 50 len of longest substr.zip

1.2 Problem Link.html

1. Longest Substring Without Repeating Characters

2.1 51 char replace.zip

2.2 Problem Link.html

2. Longest Repeating Character Replacement

3.1 52 min window.zip

3.2 Problem Link.html

3. Minimum Window Substring

4.1 53 is anag.zip

4.2 Problem Link.html

4. Valid Anagram

5.1 54 grp anag.zip

5.2 Problem Link.html

5. Group Anagrams

6.1 55 valid paranthesis.zip

6.2 Problem Link.html

6. Valid Parentheses

7.1 56 is palindrome.zip

7.2 Problem Link.html

7. Valid Palindrome

8.1 57 longest pal.zip

8.2 Problem Link.html

8. Longest Palindromic Substring

9.1 58 cnt pal substr.zip

9.2 Problem Link.html

9. Palindromic Substrings

10.1 59 enc dec.zip

10.2 Problem Link.html

10. Encode and Decode Strings

10. Tree

1.1 60 tree depth.zip

1.2 Problem Link.html

1. Maximum Depth of Binary Tree

2.1 61 is same tree.zip

2.2 Problem Link.html

2. Same Tree

3.1 62 invert tree.zip

3.2 Problem Link.html

3. InvertFlip Binary Tree

4.1 63 max path.zip

4.2 Problem Link.html

4. Binary Tree Maximum Path Sum

5.1 64 level order.zip

5.2 Problem Link.html

5. Binary Tree Level Order Traversal

6.1 65 serialize deserialize.zip

6.2 Problem Link.html

6. Serialize and Deserialize Binary Tree

7.1 66 is sub tree.zip

7.2 Problem Link.html

7. Subtree of Another Tree

8.1 67 build tree.zip

8.2 Problem Link.html

8. Construct Binary Tree from Preorder and Inorder Traversal

9.1 68 is bst.zip

9.2 Problem Link.html

9. Validate Binary Search Tree

10.1 69 kth smallest.zip

10.2 Problem Link.html

10. Kth Smallest Element in a BST

11.1 70 lca.zip

11.2 Problem Link.html

11. Lowest Common Ancestor of BST

12.1 71 trie.zip

12.2 Problem Link.html

12. Implement Trie (Prefix Tree)

13.1 72 add and search word.zip

13.2 Problem Link.html

13. Add and Search Word

14.1 73 word search 2.zip

14.2 Problem Link.html

14. Word Search II

11. Heap

1.1 74 top k frequent.zip

1.2 Problem Link.html

1. Top K Frequent Elements

2.1 75 median from data stream.zip

2.2 Problem Link.html

2. Find Median from Data Stream

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