Given array a of length 1 ≤ n ≤ 44, 0 ≤ ai ≤ 244. Calculate di = number of subsets that their xor has i '1' bits.
I think this is a meet-in-the-middle problem but I couldn't solve it, so I need help.
№ | Пользователь | Рейтинг |
---|---|---|
1 | tourist | 3843 |
2 | jiangly | 3705 |
3 | Benq | 3628 |
4 | orzdevinwang | 3571 |
5 | Geothermal | 3569 |
5 | cnnfls_csy | 3569 |
7 | jqdai0815 | 3530 |
8 | ecnerwala | 3499 |
9 | gyh20 | 3447 |
10 | Rebelz | 3409 |
Страны | Города | Организации | Всё → |
№ | Пользователь | Вклад |
---|---|---|
1 | maomao90 | 171 |
2 | awoo | 164 |
3 | adamant | 161 |
4 | TheScrasse | 159 |
5 | maroonrk | 154 |
5 | nor | 154 |
7 | -is-this-fft- | 152 |
8 | Petr | 146 |
8 | orz | 146 |
10 | pajenegod | 144 |
Given array a of length 1 ≤ n ≤ 44, 0 ≤ ai ≤ 244. Calculate di = number of subsets that their xor has i '1' bits.
I think this is a meet-in-the-middle problem but I couldn't solve it, so I need help.
Название |
---|