Solutions for Leetcode April 2020 in `JAVA` | |

Challenge Link : Leetcode

Recommended YOUTUBE channel : Akshay Goyal

WEEK 1

Maximum Subarray

Best Time to Buy and Sell Stock II

Counting Elements :( (Premium)

WEEK 2

Middle of the Linked List

Backspace String Compare

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

Longest Common Subsequence

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)