Description You are given two pots, having the volume of A and B liters respectively. The following operations can be performed: FILL(i) fill the pot i (1 ≤ i ≤ 2) from the tap;DROP(i)
参考:https://www.cnblogs.com/devymex/archive/2010/08/04/1792288.html Time limit: 3.000 seconds Background In the movie "Die Hard 3", Bruce Willis and Samuel L. Jackson were confronted with the