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Things I don't know - Codeforces

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If you know at least 3 of these things and you are not red — you are doing it wrong. Stop learning useless algorithms, go and solve some problems, learn how to use binary search. Can you also shitpost separately about things only nutella-ish people know pls? Wow. It seems like I accidentally "milked a nutella". Last Line : Destruction Level 100 Pretty sure you know what mergesort tree is without knowing that it's called that. So what is it? It's just like performing merge sort but storing the result of each merge (basically a segment tree) so if a node is responsible for the range [𝐿,𝑅] [ 𝐿 , 𝑅 ] then it stores the sorted subsegment [𝐿,𝑅] [ 𝐿 , 𝑅 ] of the original array. Wow, thanks a lot. Btw, does this appear frequently in the problems? If it does, could you please give an example? As is known to all, there're lots of trash DS problems in Chinese OJs, including Li-Chao & sgtbeats & LCT & leftist tree... (I've known them even when I was blue, so I'd been wrong for long) bu

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