Mayor's posters Description The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their ...
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其他好文 时间:
2016-06-30 21:33:02
阅读次数:
139
N-Queens
Total Accepted: 55554 Total
Submissions: 212496 Difficulty: Hard
The n-queens puzzle is the problem of placing n queens on an n×n chessboard such that no two queens...
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其他好文 时间:
2016-06-12 02:48:29
阅读次数:
179
题意:给定一个森林。每个节点上安装一个灯可以覆盖与该节点相连的所有边。选择最少的节点数num覆盖所有的边。在num最小的前提下,合理放置num个灯使得被两个灯覆盖的边最多? 思路:F[i][0]代表没放灯,F[i][1]代表放了灯,G[i]类似。 ...
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其他好文 时间:
2016-06-02 19:35:37
阅读次数:
146
一天一道LeetCode系列(一)题目
The n-queens puzzle 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 solutions to...
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其他好文 时间:
2016-05-18 18:31:33
阅读次数:
142
The n-queens puzzle 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 solutions to the n-queens puzzle.
Ea...
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其他好文 时间:
2016-05-13 02:08:03
阅读次数:
146
题意:
给定一张有向无环图,每个节点视作一个路口,每条边视作路,要求挑选一些节点放置路灯,使每条路都能被路灯照到,且使用的路灯数最少,如若存在使用相同路灯数的情况,则使得能被两盏路灯照到的路的数量尽量多。
解题:
可以将此问题提炼一下,就是使用最少的路灯照亮所有的路,使得被两盏路灯照亮的路尽量多,也就是使被一盏路灯照亮的路尽量少。那么问题可以转换为,使用最少...
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其他好文 时间:
2016-05-12 15:40:05
阅读次数:
121
The n-queens puzzle 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 ...
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其他好文 时间:
2016-05-10 12:49:48
阅读次数:
164
Placing Lampposts As a part of the mission ?Beautification of Dhaka City?, the government has decided to replace all the old lampposts with new expens ...
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其他好文 时间:
2016-04-23 11:42:01
阅读次数:
232
题目:The n-queens puzzle is the problem of placing n queens on an n×n chessboard such that no two queens attack each other. (LeetCode 51) Given an integ ...
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其他好文 时间:
2016-04-04 19:33:14
阅读次数:
147
Placing Lampposts As a part of the mission ‘Beauti?cation of Dhaka City’, the government has decided to replace all theold lampposts with new expensiv ...
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其他好文 时间:
2016-04-04 19:24:02
阅读次数:
191