55968842 The question (337D - Book of Evil) is on dp on trees. I cant find out why this code is TLEing. Any help would be appreciated.
№ | Пользователь | Рейтинг |
---|---|---|
1 | tourist | 4009 |
2 | jiangly | 3839 |
3 | Radewoosh | 3646 |
4 | jqdai0815 | 3620 |
4 | Benq | 3620 |
6 | orzdevinwang | 3612 |
7 | Geothermal | 3569 |
7 | cnnfls_csy | 3569 |
9 | ecnerwala | 3494 |
10 | Um_nik | 3396 |
Страны | Города | Организации | Всё → |
№ | Пользователь | Вклад |
---|---|---|
1 | Um_nik | 164 |
2 | maomao90 | 160 |
3 | -is-this-fft- | 159 |
4 | atcoder_official | 158 |
4 | cry | 158 |
4 | awoo | 158 |
7 | adamant | 155 |
8 | nor | 154 |
9 | TheScrasse | 153 |
10 | maroonrk | 152 |
55968842 The question (337D - Book of Evil) is on dp on trees. I cant find out why this code is TLEing. Any help would be appreciated.
Название |
---|
Auto comment: topic has been updated by adityaaaaaaaaaaaaaaa (previous revision, new revision, compare).
Auto comment: topic has been updated by adityaaaaaaaaaaaaaaa (previous revision, new revision, compare).
Your
dfs2
method is $$$N^2$$$ complexity. Think about a tree which is one root node connected to 100k leaf nodes. Then for each leaf node you loop over the parent's children again, which is 100k. So that's 100k^2.Thanks!