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Given an array of non-negative integers, you are initially positioned at the first index of the array. Each element in the array represents your maxim 阅读全文
posted @ 2017-11-09 06:15
逸朵
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Given an array of non-negative integers, you are initially positioned at the first index of the array. Each element in the array represents your maxim 阅读全文
posted @ 2017-11-09 05:28
逸朵
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Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example,Given the following matrix: You s 阅读全文
posted @ 2017-11-09 05:04
逸朵
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Find the contiguous subarray within an array (containing at least one number) which has the largest sum. For example, given the array [-2,1,-3,4,-1,2, 阅读全文
posted @ 2017-11-09 04:37
逸朵
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le is the problem of placing n queens on an n×n chessboard such that no two queens attack each other. Given an integer n, return all distinct solution 阅读全文
posted @ 2017-11-09 04:23
逸朵
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Implement pow(x, n). Example 1: Example 2: 阅读全文
posted @ 2017-11-09 02:40
逸朵
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u are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockwise). Note:You have to rotate the image in-place, which me 阅读全文
posted @ 2017-11-09 02:17
逸朵
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Given a collection of numbers that might contain duplicates, return all possible unique permutations. For example,[1,1,2] have the following unique pe 阅读全文
posted @ 2017-11-09 01:29
逸朵
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Given a collection of distinct numbers, return all possible permutations. For example,[1,2,3] have the following permutations: [ [1,2,3], [1,3,2], [2, 阅读全文
posted @ 2017-11-09 01:14
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