Hello Codeforces !
I can't do this problem. So I copy solution. And I submitted code with some changes, But it get TLE. I submit code without any changes, It get AC. And I delete only commentes in first submission.
And one question. Why?
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Hello Codeforces !
I can't do this problem. So I copy solution. And I submitted code with some changes, But it get TLE. I submit code without any changes, It get AC. And I delete only commentes in first submission.
And one question. Why?
Hello Codeforces !!!
Does anyone know what have a Codeforces problems like it : 2
All vertices have only one son, except root
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