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Given a non-empty 2D array grid of 0's and 1's, an island is a group of 1's (representing land) connected 4-directionally (horizontal or vertical.) Yo 阅读全文
posted @ 2017-10-15 16:52
daniel456
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Given an unsorted array of integers, find the length of longest continuous increasing subsequence. Example 1: Example 2: Note: Length of the array wil 阅读全文
posted @ 2017-10-15 16:47
daniel456
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Given an array with n integers, your task is to check if it could become non-decreasing by modifying at most 1 element. We define an array is non-decr 阅读全文
posted @ 2017-10-15 16:31
daniel456
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Given a 2D integer matrix M representing the gray scale of an image, you need to design a smoother to make the gray scale of each cell becomes the ave 阅读全文
posted @ 2017-10-15 11:38
daniel456
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Given an array consisting of n integers, find the contiguous subarray of given length k that has the maximum average value. And you need to output the 阅读全文
posted @ 2017-10-15 11:13
daniel456
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Given an integer array, find three numbers whose product is maximum and output the maximum product. Example 1: Example 2: Note: 求三个乘积最大，注意下负数的情况，两负*一正 阅读全文
posted @ 2017-10-15 11:07
daniel456
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Suppose you have a long flowerbed in which some of the plots are planted and some are not. However, flowers cannot be planted in adjacent plots - they 阅读全文
posted @ 2017-10-15 11:04
daniel456
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Given an integer array, you need to find one continuous subarray that if you only sort this subarray in ascending order, then the whole array will be 阅读全文
posted @ 2017-10-15 10:46
daniel456
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In MATLAB, there is a very useful function called 'reshape', which can reshape a matrix into a new one with different size but keep its original data. 阅读全文
posted @ 2017-10-15 09:54
daniel456
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Given an array of 2n integers, your task is to group these integers into n pairs of integer, say (a1, b1), (a2, b2), ..., (an, bn) which makes sum of 阅读全文
posted @ 2017-10-15 09:47
daniel456
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