Given a m x n matrix,
if an element is 0, set its entire row and column to 0. Do it in place.
原题链接:
题目:给定一个m * n 的矩阵,如果有一个元素是0,将其所在行和列设为0.
思路:先记录下是0 的元素的位置,再去置0.
public void setZeroes(int[][] m...
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其他好文 时间:
2014-08-23 12:43:50
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2014-08-22 12:25:56
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2014-08-21 17:03:24
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Given an array and a value, remove all instances of that value in place and return the new length.The order of elements can be changed. It doesn't mat...
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2014-08-20 13:59:22
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2014-08-20 13:52:32
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2014-08-19 22:08:15
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Description
Every year the cows hold an event featuring a peculiar version of hopscotch that involves carefully jumping from rock to rock in a river. The excitement takes place on a long, straight ...
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2014-08-18 16:31:12
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2014-08-18 12:13:44
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题目链接:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=654
AC一百道水题,不如AC一道难题来的舒服!
题意:一个n*m地图,*代表草地,#代表墙,o代表空地,要再图中的o处放机器人,机器人可以攻击(上下左右)4个方向,攻击范围无限长,而且机器人不能相互攻击,草地不能放置机器人,且机器人的攻击可以穿...
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其他好文 时间:
2014-08-17 17:07:12
阅读次数:
167