Hi everyone, I kept getting wrong answer in this Problem . Basically it just wants to know what will be the position of last person alive.
It is based on Josephus problem. I used the formula
Can anyone explain please ?
№ | Пользователь | Рейтинг |
---|---|---|
1 | tourist | 3993 |
2 | jiangly | 3743 |
3 | orzdevinwang | 3707 |
4 | Radewoosh | 3627 |
5 | jqdai0815 | 3620 |
6 | Benq | 3564 |
7 | Kevin114514 | 3443 |
8 | ksun48 | 3434 |
9 | Rewinding | 3397 |
10 | Um_nik | 3396 |
Страны | Города | Организации | Всё → |
№ | Пользователь | Вклад |
---|---|---|
1 | cry | 167 |
2 | Um_nik | 163 |
3 | maomao90 | 162 |
3 | atcoder_official | 162 |
5 | adamant | 159 |
6 | -is-this-fft- | 158 |
7 | awoo | 156 |
8 | TheScrasse | 154 |
9 | Dominater069 | 153 |
10 | nor | 152 |
Hi everyone, I kept getting wrong answer in this Problem . Basically it just wants to know what will be the position of last person alive.
It is based on Josephus problem. I used the formula
Can anyone explain please ?
Название |
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The formula is correct.
log base 2 approximation fails for some numbers of the form 2**k — 1 for eg 562949953421311. In python math.log(562949953421311,2) returns 49.0. I was the tester of this problem. http://ideone.com/2AmM0h :)