摘要： Time Limit:1000MSMemory Limit:65536KTotal Submissions:8266Accepted:3507Special JudgeDescriptionYou are given two pots, having the volume ofAandBliters respectively. The following operations can be performed:FILL(i) fill the poti(1 ≤i≤ 2) from the tap;DROP(i) empty the potito the drain;POUR(i,j) pour 阅读全文

摘要： Time Limit:1000MSMemory Limit:65536KTotal Submissions:9519Accepted:5458DescriptionThe ministers of the cabinet were quite upset by the message from the Chief of Security stating that they would all have to change the four-digit room numbers on their offices.— It is a matter of security to change suc 阅读全文