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XXI Berland Annual Fair is coming really soon! Traditionally fair consists of $n$ booths, arranged in a circle. The booths are numbered $1$through $n$ clockwise with $n$ being adjacent to . The -th booths sells some candies for the price of $a_i$ burles per item. Each booth has an unlimited supply of candies. 继续阅读codeforces-1037D Berland Fair