741脑筋急转弯简单数值题medium
Committee-with-Chair Count 1
题目
From 8 labeled people, how many ordered pairs (committee, chair) are there where the committee has size 3 and the chair is a member of the committee?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。
你的答案
题目
From 8 labeled people, how many ordered pairs (committee, chair) are there where the committee has size 3 and the chair is a member of the committee?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。
你的答案