太好了~~ 基本IO Graphs:IO graphs是一个非常好用的工具。基本的Wireshark IO graph会显示抓包文件中的整体流量情况,通常是以每秒为单位(报文数或字节数)。默认X轴时间间隔是1秒,Y轴是每一时间间隔的报文数。如果想要查看每秒bit数或byte数,点击“Unit”,在“...
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其他好文 时间:
2014-07-09 14:40:10
阅读次数:
305
查看一个网站用的什么web服务器http://uptime.netcraft.com/up/graph?site=www.aa.com将www.aa.com替换成想查询的网站即可。
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Web程序 时间:
2014-07-08 12:19:01
阅读次数:
137
1、相关术语顶点(Vertex)、弧(Arc)、弧头(初始点)、弧尾(终结点)、边(Edge)、有向图(Directed graph)、无向图(Undigraph)、全然图(Completed grapg)、有向全然图、稀疏图(Sparse graph)、稠密图(Dense graph)、权(wei...
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其他好文 时间:
2014-07-06 18:51:14
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321
题目如下:
Bicoloring
In 1976 the ``Four Color Map Theorem" was proven with the assistance of acomputer. This theorem states that every map can be colored using only fourcolors, in...
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其他好文 时间:
2014-07-06 12:28:07
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241
题目如下:
Play on Words
Some of the secret doorscontain a very interesting word puzzle. The team of archaeologists has tosolve it to open that doors. Because there is no other way to open the doors,...
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其他好文 时间:
2014-07-06 12:12:36
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221
题目如下:
Problem A: The Monocycle
A monocycle is a cycle that runs on one wheel and the one we will be considering is a bit more special. It has a solid wheel colored with fiv...
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其他好文 时间:
2014-07-06 11:49:47
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233
题目如下:
Problem D: XYZZY
ADVENT: /ad?vent/, n.
The prototypical computer adventure game, first designed by Will Crowther on the PDP-10 in the mid-1970s as an attempt at computer-refereed fantasy...
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其他好文 时间:
2014-07-03 18:09:47
阅读次数:
211
题目如下:
Dungeon Master
You are trapped in a 3D dungeon and need to find the quickest way out!The dungeon is composedof unit cubes which may or may not be filled with rock. It ...
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其他好文 时间:
2014-07-02 16:53:39
阅读次数:
199
题目如下:
Slash Maze
By filling a rectangle with slashes (/) and backslashes (), youcan generate nice little mazes. Here is an example:
As you can see, paths in the maze cann...
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其他好文 时间:
2014-07-02 09:07:46
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186
题目链接:点击打开链接
题意:
给定n个点m条边的无向图
求从1点开始经过每条边至少一次最后回到1点的最小路程
显然就是找一条路径可重复的欧拉回路
思路:
首先对于欧拉回路的结论是:所有点的度数都为偶数
因为所有边至少经过一次,那么可以把题意转换成加最少多少条边使得图满足以上结论
而加的边目的是为了把奇度数转成偶度数,先floyd一下得到任意点间加边的最小花费
dp[i]表示状态...
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其他好文 时间:
2014-07-01 14:47:43
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274