In response to blogs such as this and this, I have made a similar graph for IOI 2019. I was interested in finding how I could expect to do if I qualified, and the only metric I have at the time is CF rating (since there isn't anywhere to submit the problems as of now)
So, here it is:
Here are some things to take into consideration: - A lot of the participants didn't have their CF account on stats.ioinformatics.org. These participants were dismissed when making the graph - The ratings of the participants were taken at present time
As you can see, as in previous IOI demonstrated by the blogs above, even though there is a clear trend, there's too much variation in the data to get something out of. However, here are some interesting facts: - Out of the people that got gold, the one with the lowest rating, has a lower rating than the person that has the lowest rating out of the silver medals. - Only 30.58% of the participants have a linked CF account(!) -