📘 LeetCode Problems Solved

Array & String

• [5] Longest Palindromic Substring
• [3Sum] 3Sum
• [16] 3Sum Closest
• [42] Trapping Rain Water
• [49] Group Anagrams
• [128] Longest Consecutive Sequence
• [238] Product of Array Except Self
• [560] Subarray Sum Equals K

Stack & Queue

• [20] Valid Parentheses
• [84] Largest Rectangle in Histogram

Linked List

• [Add Two Numbers in Linked List]
• [23] Merge k Sorted Lists

Binary Search

• [33] Search in Rotated Sorted Array
• [153] Find Minimum in Rotated Sorted Array
• [215] Kth Largest Element in an Array

Dynamic Programming

• [139] Word Break
• [62] Unique Paths (Grid Paths)

Graphs & Matrix

• [200] Number of Islands
• [Maximum Sum Rectangle]

Miscellaneous

• [Container With Most Water]
• [Longest Substring Without Repeating Characters]
• [Walking Robot Simulation]