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HDU 1853 Cyclic Tour(KM完美匹配)
HDU 1853 Cyclic Tour 题目链接 题意:一个有向图,边有权值,求把这个图分成几个环,每个点只能属于一个环,使得所有环的权值总和最小,求这个总和 思路:KM完美匹配,由于是环,所以每个点出度入度都是1,一个点拆成两个点,出点和入点,每个点只能用一次,这样就满足了二分图匹配,然后用KM完美匹配去就最小权值的匹配即可 代码: #include #incl...
分类:其他好文   时间:2014-10-31 13:56:27    阅读次数:264
浏览器分类大全
Webkit浏览器:ChromeSafari搜狗高速浏览器傲游浏览器3QQ浏览器360极速浏览器世界之窗阿里云Firefox 浏览器:火狐IE内核浏览器:猎豹安全浏览器(liebao)(IE兼容模式)蚂蚁浏览器(MyIE9)腾讯TT(Tencent Traveler)QQ浏览器7(QQ Tour)爱...
分类:其他好文   时间:2014-10-29 16:32:44    阅读次数:189
A Tour of Go Channels
Channels are a typed conduit through which you can send and receive values with the channel operator,<-.ch <- v // Send v to channel ch.v := <-ch ...
分类:其他好文   时间:2014-10-29 01:49:32    阅读次数:155
exercise.tour.go google的go官方教程答案
/* Exercise: Loops and Functions #43 */package main import ( "fmt" "math") func Sqrt(x float64) float64 { z := float64(2.) s := float64(0)...
分类:其他好文   时间:2014-10-29 01:48:06    阅读次数:282
A Tour of Go Concurrency
The next section covers Go's concurrency primitives.A Tour of GoGoroutinesAgoroutineis a lightweight thread managed by the Go runtime.go f(x, y, z)sta...
分类:其他好文   时间:2014-10-29 01:44:37    阅读次数:108
A Tour of Go Buffered Channels
Channels can bebuffered. Provide the buffer length as the second argument tomaketo initialize a buffered channel:ch := make(chan int, 100)Sends to a b...
分类:其他好文   时间:2014-10-29 01:43:40    阅读次数:142
[Usaco2008 Open]Roads Around The Farm分岔路口[水题]
Description约翰的N(1≤N≤1,000,000,000)只奶牛要出发去探索牧场四周的土地.她们将沿着一条路走,一直走到三岔路口(可以认为所有的路口都是这样的).这时候,这一群奶牛可能会分成两群,分别沿着接下来的两条路继续走.如果她们再次走到三岔路口,那么仍有可能继续分裂成两群继续走.奶牛...
分类:其他好文   时间:2014-10-29 01:37:42    阅读次数:200
[Usaco2008 Nov]Guarding the Farm 保卫牧场[DFS]
DescriptionThe farm has many hills upon which Farmer John would like to place guards to ensure the safety of his valuable milk-cows. He wonders how ma...
分类:其他好文   时间:2014-10-29 01:34:28    阅读次数:249
A Tour of Go Web servers
Package httpserves HTTP requests using any value that implementshttp.Handler:package httptype Handler interface { ServeHTTP(w ResponseWriter, r *Re...
分类:Web程序   时间:2014-10-29 00:06:07    阅读次数:226
A Tour of Go Exercise: Images
Remember the picture generator you wrote earlier? Let's write another one, but this time it will return an implementation ofimage.Imageinstead of a sl...
分类:其他好文   时间:2014-10-29 00:02:52    阅读次数:394
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