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Problem Definition: Given an array of integers and an integer k, find out whether there there are two distinct indices i and j in the array such tha... 阅读全文
posted @ 2015-07-16 20:32
曾可爱
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Problem Definition: Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at ... 阅读全文
posted @ 2015-07-16 17:14
曾可爱
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Problem Definition:Find the total area covered by two rectilinear rectangles in a 2D plane.Each rectangle is defined by its bottom left corner and top... 阅读全文
posted @ 2015-07-16 16:55
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Problem Definition: Invert a binary tree. 4 / \ 2 7 / \ / \1 3 6 9 to 4 / \ 7 2 / \ / \9 6 3 1Trivia:This pr... 阅读全文
posted @ 2015-07-16 12:20
曾可爱
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Problem Definition: Given a sorted integer array without duplicates, return the summary of its ranges. For example, given [0,1,2,4,5,7], return ["0-... 阅读全文
posted @ 2015-07-16 11:45
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