Welcome to my brain

DSA

A daily attempt to complete 150 leetcode questions for fun :>

start: 11June

1. Arrays and Hashing

• 217 Contains Duplicate, Easy, June
• 242 Valid Anagram, Easy, June
• 1 Two Sum, Easy, June
• Group Anagrams, Medium
• Top K Frequent Elements, Medium
• Encode and Decode Strings, Medium
• Product of Array Except Self, Medium
• Valid Sudoku, Medium
• Longest Consecutive Sequence, Medium

2. Two Pointers

• 9 Valid Palindrome, Easy, June
• Two Sum 2 Input Array is Sorted, Medium
• 3Sum, Medium
• Container with Most Water, Medium
• Trapping Rain Water, Hard

3. Stack

• 20 Valid Parentheses, Easy, June
• Min Stack, Medium
• Evaluate Reverse Polish Notation, Medium
• Generate Parentheses, Medium
• Daily Temperatures, Medium
• Car Fleet, Medium
• Largest Rectangle in Histogram, Hard

4. Binary Search

• 704 Binary Search, Easy, June
• Search A 2D Matrix, Medium
• Koko Eating Bananas, Medium
• Find Minimum in Rotated Sorted Array, Medium
• Search in Rotated Sorted Array, Medium
• Time Based Key Value Store, Medium
• Medium of Two Sorted Arrays, Hard

5. Sliding Window

• 121 Best Time to Buy and Sell Stock, Easy, June
• Longest Substring Without Repeating Characters, Medium

6. Linked List

• 206 Reverse Linked List, Easy, June
• 21 Merge Two Sorted Lists, Easy, June
• 141 Linked List Cycle, Easy, June
• Reorder list, Medium
• Remove Nth Node From End of List, Medium
• Copy List with Random Pointer, Medium
• Add 2 Numbers, Medium
• Find the Duplicate Number, Medium
• LRU Cache, Medium
• Merge K sorted Lists, Hard
• Reverse Nodes in K Group, Hard

7. Trees

• 226 Invert Binary Trees, Easy
• Max Depth Binary Tree, Easy
• Diameter of Binary Tree, Easy
• Balanced Binary Tree, Easy
• Same Tree, Easy
• Subtree of Another Tree, Easy

8. Tries

9. Backtracking

10. Heap/Priority Queue

11. Graphs

12. 1-D DP

Intervals

Greedy

Advanced Graphs

2-D DP

Bit Manipulation

Math and Geometry