IOM 2020, Блиц — Задача 22
The Blitz-contest of IOM-2020
Условие
All people of our world (assume there are about billion) participate in a competition that consists of a sequence of rounds. After each round, half of the remaining participants have to leave. How many rounds do we need to determine the final winner?
- about 12
- about 33
- about 124
- about 512
Отговори
B
Answer key: B (the second listed option, „about 33“).
Решение
Внимание: Непълно решение
The source contains only the answer key, no worked solution.
Answer: B
Оригинал в Архива: iom-2020-blitz-tasks.pdf · официални решения: iom-2020-blitz-answers.pdf