摘要:
DescriptionFor the daily milking, Farmer John'sNcows (1 ≤N≤ 50,000) always line up in the same order. One day Farmer John decides to organize a game of Ultimate Frisbee with some of the cows. To... 阅读全文
posted @ 2010-11-07 18:08
I WILL BE BETTER.
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