685脑筋急转弯困难数值题medium
Calendar-Digit Collision 5
题目
A process tags each alert by one of 3 weekday classes and one of 5 last-digit classes. Show that among 16 alerts, two must share both tags.
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
A process tags each alert by one of 3 weekday classes and one of 5 last-digit classes. Show that among 16 alerts, two must share both tags.
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