2016 Multi-University Training Contest 4 欢乐战记
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一言不合先上一张华丽的rank~
虽然是(有种山中无老虎的感觉)
开场我随机点开了
对面小C大人交了一发(为后文的疯狂提交埋下了伏笔)
看到
背后ShinFeb和unicornt经过激烈的讨论最终在讨论版的助攻下顺利W A过了
期间号称专攻数论题的bblss123看了
小C大人一句”只有你能A这题了”似乎给了bblss123信心,找了个夜深人静的地方安静地开始推公式.
几十分钟后bblss123激动地进入战斗状态准备敲
我开了一道神dp
bblss123想到了
而我和Leefir,unicornt开始攻
我们的思路就是枚举两边的点集,然后判两边的导出子图是不是一个连通块,一开始用并查集,复杂度算了算是
然后开始考虑实质性的优化,用位运算做bfs,直接找连接两个点集的边之类的,最终用一份集结了三人代码习惯的迷之代码A掉了这题.
那边
还剩半小时的时候ShinFeb还是强势A掉了这题.此时rank7.
由于罚时太多最终还是跌到了rank9.
以为是绍兴一中出的题,然而并不是?感觉略奥妙.
题解
1007 Treasure
1009 String problem
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