This Week's Problem
The solution will be released next week(28 Feb 2026).
You can click on the history page to check it.
Reminder: The answer of our problem may be very big, so do not try answer one by one. It does not work.
The answer must be an integer from -1 googol to 1 googol(10^100).
Our problem and the answer of last week problem is released every Saturday.