[中译] Puzzleup 2022 (13) ARTS AND SPORTS GRO

楼主: buffalobill (水牛比尔)   2023-01-12 09:54:39
题目网址: https://www.puzzleup.com/2022/
https://www.puzzleup.com/2022/puzzle/?13
答题时限: 1月12日7PM-比赛结束(约1月18日)
加分时限: 1月12日7PM-1月17日6:59PM
答对可得基本分100分。答案可上传5次,每改1次答案从基本分扣20分。 
比赛期间内可随时上传答案,加分时限内答对第n天加(6-n)分       
另依题目的难易有额外加分(如有80%的人这题答错,答对者加80分)  
◆ARTS AND SPORTS GROUPS
Arts and sports groups will be formed in a class of 12 students.
-Each group consists of 3 students.
-Each student will take part in at least one art and at least one sports
group.
-For any pair of students, the number of arts groups and sports groups
that both students are members are the same.
-No three students can be in the same arts group and sports group.
What is the minimum total number of arts and sports groups created to meet
these conditions?
班上12位学生将组成若干个美术小组与体育小组。
-每个小组包含3位学生。
-每个学生都要加入至少一个美术小组以及至少一个体育小组。
-对任意两位学生而言,他们共通的美术小组数量跟共通的体育小组数量要相等。
-同样的三位学生,不得出现在一样的美术小组与体育小组。
问满足上述条件,所组成的美术小组与体育小组数量总和的最小可能?
作者: ACGfans (菜心)   2023-01-12 16:58:00
看到这篇才发现有第 13 题
作者: DreamYeh (天使)   2023-01-13 22:26:00
置底到17号

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