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 ?
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1 | tourist | 3985 |
2 | jiangly | 3814 |
3 | jqdai0815 | 3682 |
4 | Benq | 3529 |
5 | orzdevinwang | 3526 |
6 | ksun48 | 3517 |
7 | Radewoosh | 3410 |
8 | hos.lyric | 3399 |
9 | ecnerwala | 3392 |
9 | Um_nik | 3392 |
Страны | Города | Организации | Всё → |
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1 | cry | 169 |
2 | maomao90 | 162 |
2 | Um_nik | 162 |
4 | atcoder_official | 161 |
5 | djm03178 | 158 |
6 | -is-this-fft- | 157 |
7 | adamant | 155 |
8 | awoo | 154 |
8 | Dominater069 | 154 |
10 | luogu_official | 150 |
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 :)