traynmslf's blog

SGU(http://acm.sgu.ru/) down

By traynmslf, history, 7 years ago, In English

Does anyone know if SGU online judge(http://acm.sgu.ru/) is down permanently? Or may be website address changed?

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Doubt regarding this problem : http://codeforces.net/problemset/problem/194/A

By traynmslf, history, 8 years ago, In English

Hi Everyone,

I'm a newbie here.I just started solving Div 2 A problems. I solved the following problem using a brute force approach. http://codeforces.net/problemset/problem/194/A

I was looking at the editorial here — http://codeforces.net/blog/entry/4673 I don't understand the logic behind "3n-k" being used.

Can anyone please help?

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