If I have a set( priority queue) <C++ stl> can I know the middle element of that set (priority queue) in O(log) ?
# | User | Rating |
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1 | tourist | 4009 |
2 | jiangly | 3823 |
3 | Benq | 3738 |
4 | Radewoosh | 3633 |
5 | jqdai0815 | 3620 |
6 | orzdevinwang | 3529 |
7 | ecnerwala | 3446 |
8 | Um_nik | 3396 |
9 | ksun48 | 3390 |
10 | gamegame | 3386 |
# | User | Contrib. |
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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 |
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No, but You can use __gnu_pbds::tree, for detailts see: http://mirror.codeforces.com/blog/entry/11080
thanks
you can keep two sets, (in one first N/2, in second another N/2), and easy recalc them after inserting and erasing elements
thanks