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Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place. Have you met this question in a real interview? Yes Exam 阅读全文
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Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and put. get(key) - Get the 阅读全文
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Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, 阅读全文
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Next Permutation Given a list of integers, which denote a permutation. Find the next permutation in ascending order. Notice The list may contains dupl 阅读全文
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Determine the number of bits required to flip if you want to convert integer n to integer m. Notice Both n and m are 32-bit integers. Determine the nu 阅读全文
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Given string A representative a positive integer which has N digits, remove any k digits of the number, the remaining digits are arranged according to 阅读全文
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Given n pieces of wood with length L[i] (integer array). Cut them into small pieces to guarantee you could have equal or more than k pieces with the s 阅读全文
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There are N gas stations along a circular route, where the amount of gas at station i is gas[i]. You have a car with an unlimited gas tank and it cost 阅读全文