摘要：
MachineTime Limit: 2 Seconds Memory Limit: 65536 KBIn a typical assembly line, machines are connected one by one. The first machine's output product ... 阅读全文
摘要：
Help Me EscapeTime Limit: 2 Seconds Memory Limit: 32768 KBBackgroundIf thou doest well, shalt thou not be accepted? and if thou doest not well, sin l... 阅读全文