PODCAST · education
Leetcode: Solving Leetcode Problems in Hindi
by tornado
- My efforts are to summarize precise solutions in simple Hindi to decrease the interview preparation time.
Episodes
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Rotting oranges
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
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Number of islands
Given a grid, find number of islands. We use depth first search.
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Breadth first search and depth first search
Traverse a tree or a graph using DFS and BFS
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Merge K Sorted Lists
Given a an array of Sorted K linked lists, merge all K lists in one Sorted linked-list and return it.
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Two sum, Two Sum - II, Three sum
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.
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Simplify Path
Given a Unix style absolute path, simplify it and return the shortest canonical path
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Design In-Memory file system
Design In-Memory file system to simulate following functions. LS, mkdir, addcontentstofile, rewdcontentsfromfile
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Minimum window Substring AND longest Substring with at most K distinct characters
Give a string S and a String T, find the minimum window in S which will contain all characters in T.
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Employee Free Time or Free intervals.
Given a list of scheduled for employees in a company, return free time where no employee is working.
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Find the celebrity
Find a celebrity in a room where everyone knows the celebrity and celebrity doesn’t know anyone.
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Design Tic Tac Toe - Leetcode
Designing Tic Tac Toe in o(1) complexity. Also thinking how to design infinite Tic Tac toe
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Meeting rooms - II
Given an array of intervals find minimum number of Chee conference rooms Required.
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SQL Processing order
How should you read an SQL query - of course the way SQL parser does
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Learn what are joins in SQL
SQL joins in Hindi
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Leetcode: Verify Alien Dictionary
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.
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