001、原始数据LongitudeLatitudediqusubspenum-10439West_EuropeBos_taurus10-356West_EuropeBos_taurus30-351West_EuropeBos_taurus202-44Central_South_EuropeBos_taurus26245Central_South_EuropeBos_tauru

DataFrame:user_idnameagecountryscorecontinent1001Mark55Italy4.5Europe1000John33USA6.7America1002Tim41USA3.9America1003Jenny12Germany9Europe如果在构造DataFrame时没有提供列名，那么pandas会用从0开始的数字为列编号。us

pythonimportReferenceworld/│├──africa/│├──__init__.py│└──zimbabwe.py│├──europe/│├──__init__.py│├──greece.py│├──norway.py│└──spain.py│└──__init__.pyinthiscase,ifeverycountryf

Preface这场打的挺好，感觉在题目难度不小的情况下能写出10题还是挺猛的可惜最后时间差一点不然甚至能再写出来一个EA.KingofStringComparison签到，本来徐神跟我说写个二分+Hash，然后我库库上去一顿写刚抄完板子就被赶下来了直接从后往前扫，记录距离当前最近的不同的位置出现

   西时区中时区东时区UTC-11Pacific/MidwayUTC-11Pacific/NiueUTC-11Pacific/Pago_PagoUTC-10America/AdakUTC-10Pacific/HonoluluUTC-10Pacific/RarotongaUTC-10Pacific/TahitiUTC-9Pacific/MarquesasUTC-9America/AnchorageUTC-9America/J

highchartsnetwork网络图要在边上加上箭头，十分困难？Re:HighChartsNetworkGraphArrowLinksWedJul15,20209:47amHi!Welcometoourforumandthanksforcontactinguswithyourquestion!FromtheAPI,thisoptionisnotpossible.Toachievethis,youhavetoext

The1stUniversalCup.Stage8:SloveniaD.Deforestation这道题出题人比较谜语人，对于一个分叉点，只能选择若干个儿子和父亲组成一组，剩下的儿子之间不能相互组合。所以从叶子节点开始贪心处理就好。对于一个父亲他有若干个儿子，就贪心的选择剩下部分更小的儿子。#include<bits