For a given sequence of binary numbers {a1, a2, a3, ... , an}, {c1, c2, ... , cn} indicates the sequence of cumulative xor upto the i'th number. How can I find the cumulative xor of a subarray ai...aj using the sequence of cumulative xors?
№ | Пользователь | Рейтинг |
---|---|---|
1 | tourist | 3845 |
2 | jiangly | 3707 |
3 | Benq | 3630 |
4 | orzdevinwang | 3573 |
5 | Geothermal | 3569 |
5 | cnnfls_csy | 3569 |
7 | jqdai0815 | 3532 |
8 | ecnerwala | 3501 |
9 | gyh20 | 3447 |
10 | Rebelz | 3409 |
Страны | Города | Организации | Всё → |
№ | Пользователь | Вклад |
---|---|---|
1 | maomao90 | 171 |
2 | adamant | 163 |
3 | awoo | 162 |
4 | nor | 151 |
4 | maroonrk | 151 |
4 | -is-this-fft- | 151 |
7 | TheScrasse | 148 |
8 | atcoder_official | 146 |
9 | Petr | 145 |
10 | pajenegod | 144 |
For a given sequence of binary numbers {a1, a2, a3, ... , an}, {c1, c2, ... , cn} indicates the sequence of cumulative xor upto the i'th number. How can I find the cumulative xor of a subarray ai...aj using the sequence of cumulative xors?
Название |
---|
So
Awesome! I wanted this to solve a problem in NEERC 2013-14. Thanks!