https://www.luogu.com.cn/problem/P1550
题目描述
Farmer John 的农场缺水了。
他决定将水引入到他的 nn(1 \leq n \leq 3001≤n≤300)个牧场。他准备通过挖若干井,并在各块田中修筑水道来连通各块田地以供水。在第 ii 号田中挖一口井需要…
题目背景
John的农场缺水了!!!
题目描述
Farmer John has decided to bring water to his N (1 < N < 300) pastures which are conveniently numbered 1…N. He may bring water to a pasture either by building a well in that p…
测量工具: Fluke 1550C高压绝缘电阻测试仪
操作人员: ASI Robicon,高功率VFD制造商
执行的测试: 可控硅整流器电压、可控硅整流器热试验、IGBT开关、电容 ASI Robicon Perfect Harmony水冷变频驱动(VFD)。
Tom Lasek是ASI Robicon的一名现场工程师,该…