时间限制250ms内存限制65536kB代码长度限制16000BAsupplychainisanetworkofretailers（零售商）,distributors（经销商）,andsuppliers（供应商）–everyoneinvolvedinmovingaproductfromsuppliertocustome...

1072.GasStation(30)时间限制200ms内存限制65536kB代码长度限制16000BAgasstationhastobebuiltatsuchalocationthattheminimumdistancebetweenthestationandanyoftheresidentialhousingisa...