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dfs求球队当前的最好成绩和最坏成绩 Soccer UVALive - 4887
题目链接 In soccer, there are many different rewards (and punishments) depending on how you rank in the league at the end of a season. For example, in the British Premier League, the top 4 teams are eli原创 2018-01-23 20:19:07 · 296 阅读 · 0 评论 -
ACM-ICPC 2017 Asia Xi'an LOL dfs剪枝|dp
题目链接 5 friends play LOL together . Every one should BAN one character and PICK one character . The enemy should BAN 55 characters and PICK 55 characters . All these 2020 heroes must be different . E原创 2018-01-25 14:59:24 · 970 阅读 · 0 评论 -
UESTC 1544 当咸鱼也要按照基本法 组合数学
题目链接 参考博客 此题还出自 玲珑学院 1138 震惊,99%+的中国人都会算错的问题 【容斥】【技巧】 DESCRIPTION 众所周知zhu是一个大厨,zhu一直有自己独特的咸鱼制作技巧. tang是一个咸鱼供应商,他告诉zhu在他那里面有N条咸鱼(标号从1到N)可以被用来制作.每条咸鱼都有一个咸鱼值Ki,初始时所有Ki都是0 zhu是一个特别的人,他有M个咸数原创 2018-01-26 11:07:31 · 403 阅读 · 0 评论