Hello Codeforces! I was woundering how informatics is like in other countries and wanted to ask you what your NOI is like. Some information like a website to it or a popular problem set would be nice.
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You can check out Republic of Moldova final stage olympiads on this site and for informatics only years 2017 — 2019 are currently available on site. If you will use google, you can find maybe 2014 — 2016 by accessing old minister of education website.
for example : this is the page for 2019 olympiad in informatics
And how do people practice? Seeing that there are only a handfull of problems available.
It is only a hypothesis, because I don't talk to any of the current strong moldavian competitive programmers like SlavicG, mesanu, TimDee, Vanilla.
They simply don't practice specifically for this olympiad. The reason is that it is not a very hard (let's simply put it in that way) contest, in comparison with other OIs such as ROI.
For example in 2017 for grades 10 — 12 there was proposed a problem that asked you to calculate the size of the condensation of the original directed graph (which is a fairly basic task for this kind of competition).
By solving problems for harder contests, like CEOI, COI, ROI and so on — they prepare themselves automatically for it.
You can get the official website of the NOI of each country at http://stats.ioinformatics.org/countries/.
You can see the problem set of China NOI at https://www.luogu.com.cn/problem/list?tag=77 (in Chinese).