I want to know how can we do this in 3 steps. Given 1 2 3 4 5 6 7 8, we need to reach this 2 1 4 3 6 5 8 7, doing a riffle/dovetail shuffle on this each time. Any leads ? This is a test case for the problem H.
№ | Пользователь | Рейтинг |
---|---|---|
1 | tourist | 3690 |
2 | jiangly | 3647 |
3 | Benq | 3581 |
4 | orzdevinwang | 3570 |
5 | Geothermal | 3569 |
5 | cnnfls_csy | 3569 |
7 | Radewoosh | 3509 |
8 | ecnerwala | 3486 |
9 | jqdai0815 | 3474 |
10 | gyh20 | 3447 |
Страны | Города | Организации | Всё → |
№ | Пользователь | Вклад |
---|---|---|
1 | maomao90 | 174 |
2 | awoo | 164 |
3 | adamant | 163 |
4 | TheScrasse | 159 |
5 | nor | 157 |
6 | maroonrk | 155 |
7 | -is-this-fft- | 152 |
8 | Petr | 146 |
8 | orz | 146 |
10 | BledDest | 145 |
Minimum number of steps to dovetail shuffle.
I want to know how can we do this in 3 steps. Given 1 2 3 4 5 6 7 8, we need to reach this 2 1 4 3 6 5 8 7, doing a riffle/dovetail shuffle on this each time. Any leads ? This is a test case for the problem H.
Название |
---|