Rotting oranges
6 min
Given a gif, each cell can have one of the three values. 0 for empty, 1 for fresh Orange and 2 for rotten. Return minimum number of minutes that must elapse until no cell has a fresh Orange
Leetcode: Solving Leetcode Problems in Hindi
All episodes.
15 episodes · showing the newest 15
Merge K Sorted Lists
7 min
Given a an array of Sorted K linked lists, merge all K lists in one Sorted linked-list and return it.
Two sum, Two Sum - II, Three sum
5 min
Find two numbers that add up to a Target. Find two numbers in a sorted array that add up to a number. Find three numbers in an array that add up to a Target.
Simplify Path
5 min
Given a Unix style absolute path, simplify it and return the shortest canonical path
Design In-Memory file system
9 min
Design In-Memory file system to simulate following functions. LS, mkdir, addcontentstofile, rewdcontentsfromfile
Minimum window Substring AND longest Substring with at most K distinct characters
5 min
Give a string S and a String T, find the minimum window in S which will contain all characters in T.
Employee Free Time or Free intervals.
5 min
Given a list of scheduled for employees in a company, return free time where no employee is working.
Find the celebrity
3 min
Find a celebrity in a room where everyone knows the celebrity and celebrity doesn’t know anyone.
Design Tic Tac Toe - Leetcode
8 min
Designing Tic Tac Toe in o(1) complexity. Also thinking how to design infinite Tic Tac toe
Meeting rooms - II
4 min
Given an array of intervals find minimum number of Chee conference rooms Required.
Leetcode: Verify Alien Dictionary
4 min
Given a sequence of words written in the alien language, and the order of the alphabet, return true if and only if the given words are sorted lexicographically in this alien language.