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RS485接线 - 为什么要给2线制RS485接3根线?
http://www.chipkin.com/rs485-cables-why-you-need-3-wires-for-2-two-wire-rs485/ RS485 needs 3 conductors and a shield. Many people say its a two wire n ...
分类:其他好文   时间:2016-09-12 19:05:07    阅读次数:269
Code Forces Gym 100971D Laying Cables(单调栈)
D - Laying Cables Time Limit:2000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u One-dimensional country has n cities, the i-th of which is loc ...
分类:其他好文   时间:2016-09-03 22:28:33    阅读次数:303
Gym 100971D Laying Cables
要求找出每个a[i],找到离他最近而且权值比它大的点,若距离相同,输出权利最大的那个 我的做法有点复杂,时间也要500+ms,因为只要时间花在了map上。 具体思路是模拟一颗树的建立过程,对于权值最大的那个,必须是-1,次大的那个,必须是pos_peo[mx];就是最大人口的节点id、 然后维护一个 ...
分类:其他好文   时间:2016-08-28 20:50:55    阅读次数:163
Gym 100971D Laying Cables 单调栈
Description One-dimensional country has n cities, the i-th of which is located at the point xi and has population pi, and all xi, as well as all pi, a ...
分类:其他好文   时间:2016-07-12 17:26:10    阅读次数:158
poj2075
Tangled in Cables Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 6348 Accepted: 2505 Description You are the owner of SmallCableCo and hav ...
分类:其他好文   时间:2016-06-30 16:07:22    阅读次数:123
Tangled in Cables(Kruskal+map容器处理字符串)
/** 题意: 给你两个城市之间的道路(无向图),求出需要的 电缆。如果大于所提供的,就输出Not enough 。。。 否则输出所需要的电缆长度。 输入:N (给定的电缆总长度) m1 (有多少个城市—) str1 str2 str3 str4 : ;(城市的名字) m2(相当于给出m2条边) a ...
分类:其他好文   时间:2016-05-31 17:24:40    阅读次数:151
POJ 2075:Tangled in Cables 【Prim】
Tangled in Cables Time Limit : 2000/1000ms (Java/Other)   Memory Limit : 60000/30000K (Java/Other) Total Submission(s) : 2   Accepted Submission(s) : 1 Problem Description You are the owner of Sm...
分类:其他好文   时间:2015-08-14 11:51:09    阅读次数:105
poj 2075 Tangled in Cables
Tangled in Cables Time Limit : 2000/1000ms (Java/Other)   Memory Limit : 60000/30000K (Java/Other) Total Submission(s) : 19   Accepted Submission(s) : 6 Problem Description You are the owner of S...
分类:其他好文   时间:2015-08-13 22:28:31    阅读次数:173
POJ2420——三分——A Star not a Tree?
Luke wants to upgrade his home computer network from 10mbs to 100mbs. His existing network uses 10base2 (coaxial) cables that allow you to connect any...
分类:其他好文   时间:2015-08-01 17:00:10    阅读次数:213
Aizu 1263 Network Mess 树的直径+构造
题目链接:点击打开链接 Network Mess Gilbert is the network admin of Ginkgo company. His boss is mad about the messy network cables on the floor. He finally walked up to Gilbert and asked the lazy netwo...
分类:Web程序   时间:2015-03-31 14:41:10    阅读次数:208
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