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Given a string representing arbitrarily nested ternary expressions, calculate the result of the expression. You can always assume that the given expre 阅读全文
posted @ 2017-01-03 10:36
北叶青藤
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The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Now your job is to find the total 阅读全文
posted @ 2017-01-03 10:07
北叶青藤
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The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calcul 阅读全文
posted @ 2017-01-03 09:58
北叶青藤
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Given a stream of integers and a window size, calculate the moving average of all integers in the sliding window. For example,MovingAverage m = new Mo 阅读全文
posted @ 2017-01-03 06:49
北叶青藤
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Given an 2D board, count how many different battleships are in it. The battleships are represented with 'X's, empty slots are represented with '.'s. Y 阅读全文
posted @ 2017-01-03 00:20
北叶青藤
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