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A - Multiplication Puzzle Time Limit:1000MS    Memory Limit:65536KB    64bit IO Format:%I64d & %I64u SubmitStatusPracticePOJ 1651 Description The multiplication puzzle is played with a r

B - Brackets Time Limit:1000MS    Memory Limit:65536KB    64bit IO Format:%I64d & %I64u SubmitStatusPracticePOJ 2955 Description We give the following inductive definition of a “regu

Description Gappu has a very busy weekend ahead of him. Because, next weekend is Halloween, and he is planning to attend as many parties as he can. Since it's Halloween, these parties are all cos