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--- Support this podcast: https://podcasters.spotif

Number of islands

Nov 5th, 2020 4m 14s

Given a grid, find number of islands. We use depth first search.--- Support this podcast: https://podcasters.spotify.com/pod/show/raytornado/support

Breadth first search and depth first search

Nov 5th, 2020 3m 19s

Traverse a tree or a graph using DFS and BFS--- Support this podcast: https://podcasters.spotify.com/pod/show/raytornado/support

Merge K Sorted Lists

Nov 5th, 2020 7m 58s

Given a an array of Sorted K linked lists, merge all K lists in one Sorted linked-list and return it.--- Support this podcast: https://podcasters.spotify.com/pod/show/raytornado/support

Two sum, Two Sum - II, Three sum

Nov 5th, 2020 5m 35s

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.--- Support this podcast: https://podcasters.spotify.com/pod/show/raytornado/suppor

Simplify Path

Oct 15th, 2020 5m 32s

Given a Unix style absolute path, simplify it and return the shortest canonical path--- Support this podcast: https://podcasters.spotify.com/pod/show/raytornado/support

Design In-Memory file system

Oct 14th, 2020 9m 54s

Design In-Memory file system to simulate following functions. LS, mkdir, addcontentstofile, rewdcontentsfromfile--- Support this podcast: https://podcasters.spotify.com/pod/show/raytornado/support

Minimum window Substring AND longest Substring with at most K distinct characters

Oct 12th, 2020 5m 36s

Give a string S and a String T, find the minimum window in S which will contain all characters in T. --- Support this podcast: https://podcasters.spotify.com/pod/show/raytornado/support

Employee Free Time or Free intervals.

Oct 11th, 2020 5m 9s

Given a list of scheduled for employees in a company, return free time where no employee is working.--- Support this podcast: https://podcasters.spotify.com/pod/show/raytornado/support

Find the celebrity

Oct 7th, 2020 3m 22s

Find a celebrity in a room where everyone knows the celebrity and celebrity doesn’t know anyone.--- Support this podcast: https://podcasters.spotify.com/pod/show/raytornado/support

Design Tic Tac Toe - Leetcode

Oct 7th, 2020 8m

Designing Tic Tac Toe in o(1) complexity. Also thinking how to design infinite Tic Tac toe--- Support this podcast: https://podcasters.spotify.com/pod/show/raytornado/support

Meeting rooms - II

Oct 6th, 2020 4m 2s

Given an array of intervals find minimum number of Chee conference rooms Required.--- Support this podcast: https://podcasters.spotify.com/pod/show/raytornado/support

SQL Processing order

Sep 22nd, 2020 3m 56s

How should you read an SQL query - of course the way SQL parser does --- Support this podcast: https://podcasters.spotify.com/pod/show/raytornado/support

Learn what are joins in SQL

Sep 19th, 2020 7m 15s

SQL joins in Hindi--- Support this podcast: https://podcasters.spotify.com/pod/show/raytornado/support

Leetcode: Verify Alien Dictionary

Sep 14th, 2020 4m 29s

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.--- Support this podcast: https://podcasters.spotify.com/

Rate

Contact This Podcast

Get this podcast via API

Join Podchaser to...

Rate podcasts and episodes
Follow podcasts and creators
Create podcast and episode lists
& much more

Unlock more with Podchaser Pro

Audience Insights

Contact Information

Demographics

Charts

Sponsor History

and More!

Resources
Help Center
Blog
API

Podchaser is the ultimate destination for podcast data, search, and discovery. Learn More