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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,−1,2,1 阅读全文
posted @ 2018-09-13 23:16
鸭子船长
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I: 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 ma 阅读全文
posted @ 2018-09-13 22:47
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Given a collection of intervals, merge all overlapping intervals. For example,Given[1,3],[2,6],[8,10],[15,18],return[1,6],[8,10],[15,18]. 合并有重叠的区间，且原区 阅读全文
posted @ 2018-09-13 22:35
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Given a set of non-overlapping intervals, insert a new interval into the intervals (merge if necessary). You may assume that the intervals were initia 阅读全文
posted @ 2018-09-13 22:23
鸭子船长
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1 基本解释：extern可以置于变量或者函数前，以标示变量或者函数的定义在别的文件中，提示编译器遇到此变量和函数时在其他模块中寻找其定义。此外extern也可用来进行链接指定。 也就是说extern有两个作用，第一个,当它与"C"一起连用时，如: extern "C" void fun(int a 阅读全文
posted @ 2018-09-13 16:16
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Given a string s consists of upper/lower-case alphabets and empty space characters' ', return the length of last word in the string. If the last word 阅读全文
posted @ 2018-09-13 00:10
鸭子船长
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I: 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: Yo 阅读全文
posted @ 2018-09-13 00:03
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