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Given a positive integer num, write a function which returns True if num is a perfect square else False. Note: Do not use any built-in library functio 阅读全文
posted @ 2017-02-12 17:49
amazingzoe
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There are a row of n houses, each house can be painted with one of the three colors: red, blue or green. The cost of painting each house with a certai 阅读全文
posted @ 2017-02-12 17:19
amazingzoe
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For a web developer, it is very important to know how to design a web page's size. So, given a specific rectangular web page’s area, your job by now i 阅读全文
posted @ 2017-02-12 17:16
amazingzoe
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Given scores of N athletes, find their relative ranks and the people with the top three highest scores, who will be awarded medals: "Gold Medal", "Sil 阅读全文
posted @ 2017-02-12 17:15
amazingzoe
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Given a binary array, find the maximum number of consecutive 1s in this array. Example 1: Note: The input array will only contain 0 and 1. The length 阅读全文
posted @ 2017-02-12 17:14
amazingzoe
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You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cells are connected horizontally/ve 阅读全文
posted @ 2017-02-12 17:13
amazingzoe
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Given a positive integer, output its complement number. The complement strategy is to flip the bits of its binary representation. Note: The given inte 阅读全文
posted @ 2017-02-12 17:09
amazingzoe
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Given a List of words, return the words that can be typed using letters of alphabet on only one row's of American keyboard like the image below. Examp 阅读全文
posted @ 2017-02-12 17:08
amazingzoe
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