摘要: 题目:http://www.contesthunter.org/contest/CH%20Round%20%2352%20%20Thinking%20Bear%20%231%20(NOIP%E6%A8%A1%E6%8B%9F%E8%B5%9B)分析:第一题:并查集维护,类似生成树的思想。第二题:线段... 阅读全文
posted @ 2014-08-17 23:38 Chellyutaha 阅读(141) 评论(0) 推荐(0)