There is exactly one character ( and exactly one character ) .
This should be There is exactly one character '(' and exactly one character ')'.
I wasted an hour on this :/.
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Codeforces (c) Copyright 2010-2026 Михаил Мирзаянов
Соревнования по программированию 2.0
Время на сервере: 18.04.2026 14:58:11 (g2).
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Auto comment: topic has been updated by DumbCarlsen69 (previous revision, new revision, compare).
It is normal to solve div2 A in one hour in your level. (~1197 rating)
Yes Sir Unlike you I am not a GM /\
Whats the difference ?
'
I stupidly took () opening and closing brackets as we normally use them in English for clarifying something. So I missed that the question wanted to say that there is only one '(' and one ')'.
Yeah but then it would be mean — There is exactly one character .... and then emphasising it again in brackets — (and exactly one character).
Don't know, I just thought it would have been clear by the samples :)
Yaa. Even after the contest i didnt realise. But when i started reading others code then I realised :)
Same with me D:
F
I found that after giving invalid input for hacking
Haha same, But don't tell anyone :p The input was ()))
I also gave the same input
I skipped that line in hurry
Or this should be-
There is exactly one character ) and exactly one character (