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Nishant Saxena: I am not a Dark Knight of the Batman Series, so obviously I'm not your hero (just yet) and I don't have a sophisticated butler waiting on me 24 hours, I'm however the darkest Knight the unsung hero of the nice man series (from the nice guys finish last metaphor). I'm so dark that I am never seen and no movie shall ever be made on my solidarity life. But in the end I say to you all that stand by batman Joker's motto. " why so serious?...! "

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Print permutations of a string

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Amazon Question: Design LRU Cache

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Microsoft Question: Find diameter of a binary tree

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ThoughtWorks Question: Game of Life

Problem: Given a board with m by n cells, each cell has an initial state live (1) or dead (0). Each cell interacts with its eight neighbors...
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Minimum Initial Points to Reach Destination

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Search an element in a row wise and column wise sorted Matrix

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[Flipkart][LeetCode] Copy List with Random Pointer

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