MathDB
2020 BMT Team 27

Source:

January 9, 2022
combinatoricsnumber theory

Problem Statement

Estimate the number of 11s in the hexadecimal representation of 2020!2020!.
If EE is your estimate and AA is the correct answer, you will receive max(250.5AE,0)\max (25 - 0.5|A - E|, 0) points, rounded to the nearest integer.