先Floyd求牛到机器最短距离,然后二分枚举最长的边。 1 #include 2 #include 3 #include 4 #include 5 using namespace std; 6 #define INF (1 que; 31 que.push(vt); 32 ...
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其他好文 时间:
2015-10-03 19:23:21
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278
最大流+二分答案#include#include#include#include#include#include#includeusing namespace std;const int maxn = 300 + 10;const int INF = 0x7FFFFFFF;struct Edge{ ...
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其他好文 时间:
2015-09-21 14:07:19
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127
MyEclipse 8.5 + tomcat6 + jdk 1.8 启动的时候报错:The APR based Apache Tomcat Native library which allows optimal performance in production environments was n...
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编程语言 时间:
2015-09-15 08:13:01
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162
Milking GridPOJ - 2185时限:3000MS内存:65536KB64位IO格式:%I64d & %I64u提交状态已开启划词翻译问题描述Every morning when they are milked, the Farmer John's cows form a rectang...
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其他好文 时间:
2015-09-12 16:09:26
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161
DescriptionBessie is such a hard-working cow. In fact, she is so focused on maximizing her productivity that she decides to schedule her next N (1 ≤ N...
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其他好文 时间:
2015-09-11 14:05:30
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151
Mother's MilkFarmer John has three milking buckets of capacity A, B, and C liters. Each of the numbers A, B, and C is an integer from 1 through 20, in...
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其他好文 时间:
2015-09-10 01:49:15
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182
思路:脑抽了,一看题目,这不就是线段树么,离散化区间合并。。最终发现我并不会写。。。于是看了下题目范围10^6。。。模拟水之。。每个区间左端点+1,右端点-1,从左到右扫一下就行了。。。代码: 1 /* 2 ID:xu baoqi 3 LANG:C++ 4 TASK:milk...
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其他好文 时间:
2015-09-06 16:19:30
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166
Milking TimeTime Limit:1000MSMemory Limit:65536KTotal Submissions:6129Accepted:2571DescriptionBessie is such a hard-working cow. In fact, she is so fo...
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其他好文 时间:
2015-09-03 14:01:31
阅读次数:
183
SPOJ Optimal Marks(最小割的应用)真心好题,网络流简直无处不在,能够解决一些看似困难的问题,希望能从中学到其精髓—-模型建立+建图题意:
给定一个无向图,每个顶点都有对应值,每条边的权值为val[u] ^ val[u],同时已知其中某些点的值,求其他点的权值使得最终的图的边权和最小?
分析:
首先边与边之间异或操作,不太好直接处理,因为异或操作每一位运算相互独立,我们来逐位...
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其他好文 时间:
2015-08-31 11:52:20
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165
DescriptionFJ has moved his K (1 15, a row is broken into successive lines of 15 numbers and a potentially shorter line to finish up a row. Each new ....
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其他好文 时间:
2015-08-30 22:51:22
阅读次数:
203