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原创 Aggressive cows 清晰题解 （poj 2456）（USACO 2005 February Gold）

问题描述Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,...,xN (0 <= xi <= 1,000,000,000).His C (2 &...