IN THIS PROBLEM I DON'T UNDERSTAND THE GRAPH APPROACH FOR THIS PROBLEM? CAN ANYBODY HELP OUT!! PROBLEM LINK TUTORIAL LINK
№ | Пользователь | Рейтинг |
---|---|---|
1 | ecnerwala | 3648 |
2 | Benq | 3580 |
3 | orzdevinwang | 3570 |
4 | cnnfls_csy | 3569 |
5 | Geothermal | 3568 |
6 | tourist | 3565 |
7 | maroonrk | 3530 |
8 | Radewoosh | 3520 |
9 | Um_nik | 3481 |
10 | jiangly | 3467 |
Страны | Города | Организации | Всё → |
№ | Пользователь | Вклад |
---|---|---|
1 | maomao90 | 174 |
2 | awoo | 164 |
2 | adamant | 164 |
4 | TheScrasse | 159 |
4 | nor | 159 |
6 | maroonrk | 156 |
7 | -is-this-fft- | 150 |
8 | SecondThread | 147 |
9 | orz | 146 |
10 | pajenegod | 145 |
IN THIS PROBLEM I DON'T UNDERSTAND THE GRAPH APPROACH FOR THIS PROBLEM? CAN ANYBODY HELP OUT!! PROBLEM LINK TUTORIAL LINK
Название |
---|
Make a graph with vertexes 1, 2, ..., n; for each i a substring sisi + 1...si + k - 1 should be a palindrome, so for each i you should make edges between si and si + k - 1, between si + 1 and si + k - 2, etc. For each connected component in this graph, letters should be equal in each vertex of that component; if number of components is e then the answer is me
thanxx bro appreciate it!!!