LeetCode profile link : https://leetcode.com/saurav2401
Day1: Single Number
Day2: Happy Number
Day3: Maximum Subarray
Day4: Move Zeroes
Day5: Best Time to Buy and Sell Stock ll
Day6: Group Anagrams
Day7: Counting Elements
Day8: Middle of Linked List
Day9: Backspace String Compare
Day10: Min Stack
Day11: Diameter of Binary tree
Day12: Last Stone Weight
Day13: Contiguous Array
Day14: Perform String Shift
Day15: Product of Array Except Self
Day16: Valid Parenthesis String
Day17: Number of Islands
Day18: Minimum Path Sum
Day19: Search in Rotated Sorted Array
Day20: Construct Binary Search Tree from Preorder Traversal
Day21: Leftmost Column with at Least a One
Day22: Subarray Sum Equals K
Day23: Bitwise AND of Numbers Range
Day24: LRU Cache
Day25: Jump Game
Day26: Longest Common Subsequence
Day27: Maximal Square
Day28: First Unique Number
Day29: Binary Tree Maximum Path Sum
Day30: Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree