Why is the answer to this problem always ( N + K — 3) / (K — 1).
Can anyone please help me. editorial is not clear.
№ | Пользователь | Рейтинг |
---|---|---|
1 | tourist | 4009 |
2 | jiangly | 3839 |
3 | Radewoosh | 3646 |
4 | jqdai0815 | 3620 |
4 | Benq | 3620 |
6 | orzdevinwang | 3612 |
7 | Geothermal | 3569 |
8 | ecnerwala | 3494 |
9 | Um_nik | 3396 |
10 | gamegame | 3386 |
Страны | Города | Организации | Всё → |
№ | Пользователь | Вклад |
---|---|---|
1 | Um_nik | 164 |
2 | -is-this-fft- | 161 |
3 | maomao90 | 159 |
4 | atcoder_official | 158 |
4 | cry | 158 |
4 | awoo | 158 |
7 | adamant | 155 |
8 | nor | 154 |
9 | TheScrasse | 153 |
10 | Dominater069 | 152 |
How to derive this formula for this atcoder problem.
Why is the answer to this problem always ( N + K — 3) / (K — 1).
Can anyone please help me. editorial is not clear.
Rev. | Язык | Кто | Когда | Δ | Комментарий | |
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en1 | spirited_away_ | 2019-08-05 05:02:10 | 236 | Initial revision (published) |
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