Difficulty: Medium Link: Day1 : June LeetCode Challenge Problem Description You are given an m x n binary matrix grid. An island is a group of 1‘s (representing land)…

# Tag: interview questions

Difficulty: Medium Link: Day 27: May Leetcode Challenge Problem Statement Given a string array words, return the maximum value of length(word[i]) * length(word[j]) where the two words do not…

Difficulty: Medium Link: Day 26, May Leetcode Challenge Problem Description A decimal number is called deci-binary if each of its digits is either 0 or 1 without any leading zeros. For…

Difficulty: Medium Link: Day 25: May Leetcode Challenge Problem Description Evaluate the value of an arithmetic expression in Reverse Polish Notation. Valid operators are +, -, *, and /. Each…

Difficulty : Medium Link: Day 12: May Leetcode Challenge Problem Description Given the root of a binary tree, return the level order traversal of its nodes’ values. (i.e.,…

Difficulty: Medium Link: Day 19:May Leetcode Challenge Problem Description Given an integer array nums of size n, return the minimum number of moves required to make all array elements…

Difficulty: Medium Link: Day 18: May Leetcode Challenge Problem Description Given a list paths of directory info, including the directory path, and all the files with contents…

Difficulty: Medium Link: Day 17: May Leetcode Challenge Problem Description Given a list of words, each word consists of English lowercase letters. Let’s say word1 is a…

Difficulty: Medium Link: Day 14: May Leetcode Challenge Problem Description Given the root of a binary tree, flatten the tree into a “linked list”: The “linked list”…

Difficulty: Medium Link: Day 13: May Leetcode Challenge Problem Description We had some 2-dimensional coordinates, like “(1, 3)” or “(2, 0.5)”. Then, we removed all commas, decimal points, and…