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    摘要: 题目大意 分析 把环拆开 线段其实就是区间 对于每个区间,向在TA后面并且b_i最小的区间连边, 然后从每个区间(ai,bi)开始,在保证跳到的区间(aj,bj),bj include include include include include include include include i 阅读全文
    posted @ 2018-08-13 21:25 无尽的蓝黄 阅读(205) 评论(0) 推荐(0) 编辑