1808D - Petya, Petya, Petr, and Palindromes
1808E1 - Minibuses on Venus (easy version)
1808E2 - Minibuses on Venus (medium version)
1808E3 - Minibuses on Venus (hard version)
| # | User | Rating |
|---|---|---|
| 1 | Benq | 3792 |
| 2 | VivaciousAubergine | 3647 |
| 3 | Kevin114514 | 3603 |
| 4 | jiangly | 3583 |
| 5 | strapple | 3515 |
| 6 | tourist | 3470 |
| 7 | dXqwq | 3436 |
| 8 | Radewoosh | 3415 |
| 9 | Otomachi_Una | 3413 |
| 10 | Um_nik | 3376 |
| # | User | Contrib. |
|---|---|---|
| 1 | Qingyu | 158 |
| 2 | adamant | 152 |
| 3 | Um_nik | 146 |
| 4 | Dominater069 | 144 |
| 5 | errorgorn | 141 |
| 6 | cry | 139 |
| 7 | Proof_by_QED | 136 |
| 8 | YuukiS | 135 |
| 9 | chromate00 | 134 |
| 9 | TheScrasse | 134 |
1808D - Petya, Petya, Petr, and Palindromes
1808E1 - Minibuses on Venus (easy version)
1808E2 - Minibuses on Venus (medium version)
1808E3 - Minibuses on Venus (hard version)
1775A1 - Gardener and the Capybaras (easy version)
1775A2 - Gardener and the Capybaras (hard version)
1775B - Gardener and the Array
Now it is time for the bonus task and author solutions!
Problem A can be solved for $$$O(n)$$$ even if the alphabet consists of all letters. Think about how this can be done.
The size of the second string is $$$1$$$. You can just go through it.
I congratulate YouKn0wWho for breaking into the top-1 of contribution with the help of the best and most useful blogs.
| Name |
|---|


