UPC--6348 Milking Order 【二分+拓扑排序+优先队列】

6348: Milking Order 时间限制: 3 Sec  内存限制: 128 MB 提交: 167  解决: 61 [提交] [状态] [讨论版] [命题人:admin]php 题目描述html Farmer John's N cows (1≤N≤105), numbered 1…N as always, happen to have too much time on their hoov

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