1808D - Petya, Petya, Petr, and Palindromes
1808E1 - Minibuses on Venus (easy version)
1808E2 - Minibuses on Venus (medium version)
1808E3 - Minibuses on Venus (hard version)
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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.
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