最小割判断唯一
先跑最大流,然后分别对源点和汇点DFS,记录能到达的点.
如果所有的点都能到达则最小割唯一,否则最小割有多解
Unique Attack
Time Limit: 5 Seconds Memory Limit: 32768 KB
N supercomputers in the United States of Antarctica are co...
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其他好文 时间:
2014-10-10 19:07:24
阅读次数:
340
php判断检测一个数组里有没有重复的值 php里有一个处理数组重复值得函数array_unique,我们的思路就是用这个函数来实现的。 if?(count($array)?!=?count(array_unique($array)))?{???
???echo?‘该数组...
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编程语言 时间:
2014-10-10 17:45:04
阅读次数:
168
The key is to use two constant space(32 bits) to store how many times 1 or 0 showed up in the bit i. If times of 1 in bit i is not the multiple of 3, then the unique value's bit i is 1. Otherwise the ...
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其他好文 时间:
2014-10-09 15:29:08
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243
Givenn, how many structurally uniqueBST's(binary search trees) that store values 1...n?For example,Givenn= 3, there are a total of 5 unique BST's. 1.....
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编程语言 时间:
2014-10-09 14:37:53
阅读次数:
215
一、在visio反向工程中,出现了几个缩写分别是U1...N、I1...N1、U代表UNIQUE KEY U1代表UNIQUE KEY1,1为建立唯一键顺序序号2、I代表 INDEX I2代表INDEX2,2为建立的索引顺序序号3、”必需的”代表建表时使用NOT NULL,不能插入NULL 可以在每...
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数据库 时间:
2014-10-09 00:56:07
阅读次数:
363
Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives the sum of ...
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其他好文 时间:
2014-10-08 14:49:55
阅读次数:
217
[leetcode]Given n, how many structurally unique BST's (binary search trees) that store values 1...n?...
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其他好文 时间:
2014-10-08 12:00:15
阅读次数:
159
Given n, generate all structurally unique BST's (binary search trees) that store values 1...n.
For example,
Given n = 3, your program should return all 5 unique BST's shown below.
1 3 ...
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其他好文 时间:
2014-10-08 11:52:35
阅读次数:
202
A-Unique AttackTime Limit:6000/3000MS (Java/Others)Memory Limit:128000/64000KB (Java/Others)Problem Description N supercomputers in the United State.....
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其他好文 时间:
2014-10-07 20:22:53
阅读次数:
239
Given a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and there exists one unique longest pa...
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其他好文 时间:
2014-10-07 00:32:12
阅读次数:
237