I have read the editorial but yet not cleared enough about the approach. Can anyone provide me some hints? How to approach this problem? I just need to know about the observation that how you will approach the problem to solve it.
I have read the editorial but yet not cleared enough about the approach. Can anyone provide me some hints? How to approach this problem? I just need to know about the observation that how you will approach the problem to solve it.
| № | Пользователь | Рейтинг |
|---|---|---|
| 1 | tourist | 3843 |
| 2 | jiangly | 3705 |
| 3 | Benq | 3628 |
| 4 | orzdevinwang | 3571 |
| 5 | Geothermal | 3569 |
| 5 | cnnfls_csy | 3569 |
| 7 | jqdai0815 | 3530 |
| 8 | ecnerwala | 3499 |
| 9 | gyh20 | 3447 |
| 10 | Rebelz | 3409 |
| Страны | Города | Организации | Всё → |
| № | Пользователь | Вклад |
|---|---|---|
| 1 | maomao90 | 171 |
| 2 | awoo | 163 |
| 3 | adamant | 162 |
| 4 | TheScrasse | 158 |
| 5 | nor | 153 |
| 5 | maroonrk | 153 |
| 7 | -is-this-fft- | 152 |
| 8 | Petr | 146 |
| 9 | orz | 145 |
| 10 | pajenegod | 144 |
Do you know the technique of marking ranges on an array? You use the indices of the array as the bounds of the ranges and put +1 to the left bound and -1 to the index one position of the right bound.
You have to do the same, just use a map to do it.