Solutions for Leetcode April 2020 in JAVA | |

Challenge Link : Leetcode

Recommended YOUTUBE channel : Akshay Goyal

WEEK 1

Single Number

Happy Number

Maximum Subarray

Move Zeroes

Best Time to Buy and Sell Stock II

Group Anagrams

Counting Elements :( (Premium)

WEEK 2

Middle of the Linked List

Backspace String Compare

Min Stack

Diameter of Binary Tree

Last Stone Weight

Contiguous Array

Perform String Shifts :( (Premium)

WEEK 3

Product of Array Except Self

Valid Parenthesis String

Number of Islands

Minimum Path Sum

Search in Rotated Sorted Array

Construct Binary Search Tree from Preorder Traversal

Leftmost Column with At least a One :( (Premium)

WEEK 4

Subarray Sum Equals K

Bitwise AND of Numbers Range

LRU Cache

Jump Game

Longest Common Subsequence

Maximal Square

First Unique Number :( (Premium)

WEEK 5

Binary Tree Maximum Path Sum

Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree :( (Premium)