Problem ID: 1097
Problem Name: Lucky Number
Problem Link: http://lightoj.com/volume_showproblem.php?problem=1097
My solution link: http://ideone.com/MF0yjB
How do I improve the complexity of my solution? Any help is really appreciated.
№ | 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 | 157 |
8 | TheScrasse | 154 |
9 | Dominater069 | 153 |
9 | nor | 153 |
Problem ID: 1097
Problem Name: Lucky Number
Problem Link: http://lightoj.com/volume_showproblem.php?problem=1097
My solution link: http://ideone.com/MF0yjB
How do I improve the complexity of my solution? Any help is really appreciated.
Название |
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As you are using binary search + bit, so to find the k'th number (in line 33) your complexity is log(N)*log(N). You can do this in just log(N) by using segment tree. Because you don't need any binary search then.