LeetCode problems for Week 2 Team problems:

1. Median of two sorted arrays
   • Binary search
   • Arrays
2. LRU Cache

• Hash Table
• Doubly Linked Lists

3. Logest Substring Without Repeatinng Characters

• Hash tables
• Strings

4. Regular Expression Matching

• Recursion
• Dyammic Programming

Individual problems:

1. Number of Unequal Triplets in an array

• Arrays management
• Algorithms

2. Find the Distict Difference Array

• Arrays managemet
• HashMaps