zoj 2913 Bus Pass(BFS)
摘要:
Bus PassTime Limit: 5 Seconds Memory Limit: 32768 KBYou travel a lot by bus and the costs of all the seperate tickets are starting to add up.Therefore you want to see if it might be advantageous for you to buy a bus pass.The way the bus system works in your country (and also in the Netherlands) i... 阅读全文