G - Balanced Lineup POJ - 3264(简单线段树)
For the daily milking, Farmer John’s N cows (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 keep things ...
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2019-11-19 19:18:44 ·
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