China NOI

Revision en2, by Long_VuV, 2021-08-17 13:28:30

I found out that China NOI problems are very interesting and hard, of course. I dont find any editorial for these problems on the internet so can anybody provide me some editorial ?

A chinese editorial could be helpful too (I hope google translate is enough).

Most of problems can be found here

Tags #help

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en2 English Long_VuV 2021-08-17 13:28:30 57
en1 English Long_VuV 2021-08-17 13:27:10 317 Initial revision (published)