摘要：
Given a stringsconsists of upper/lower-case alphabets and empty space characters' ', return the length of last word in the string.If the last word doe... 阅读全文
posted @ 2014-09-02 19:30
dijkstra-c
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Given a binary tree, find its minimum depth.The minimum depth is the number of nodes along the shortest path from the root node down to the nearest le... 阅读全文
posted @ 2014-09-02 19:27
dijkstra-c
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A robot is located at the top-left corner of amxngrid (marked 'Start' in the diagram below).The robot can only move either down or right at any point ... 阅读全文
posted @ 2014-09-02 16:45
dijkstra-c
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You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-placen*n矩阵顺时针旋转90度，规律 a[i... 阅读全文
posted @ 2014-09-02 15:30
dijkstra-c
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