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 ...
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其他好文 时间:
2016-09-12 19:05:07
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269
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 ...
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其他好文 时间:
2016-09-03 22:28:33
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303
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 ...
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其他好文 时间:
2016-08-28 20:50:55
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163
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 ...
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其他好文 时间:
2016-07-12 17:26:10
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158
Tangled in Cables Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 6348 Accepted: 2505 Description You are the owner of SmallCableCo and hav ...
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其他好文 时间:
2016-06-30 16:07:22
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123
/** 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 ...
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其他好文 时间:
2016-05-31 17:24:40
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151
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...
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其他好文 时间:
2015-08-14 11:51:09
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105
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...
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其他好文 时间:
2015-08-13 22:28:31
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173
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...
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其他好文 时间:
2015-08-01 17:00:10
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213
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...
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Web程序 时间:
2015-03-31 14:41:10
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208