The contest was held from 5 to 15, November, 2021.
24 800 odd contestants from tens of countries and regions including our country, China, Russia and India took part in the contest, which was divided into three categories.
Category 1 drew 242 contestants and in categories 2 and 3 were 4 467 and 20 168 contestants respectively.
In this contest, 8 problems were set forth and there were no challenge problems.
30 contestants from India, the UK, Brazil, etc. managed to complete all of the assigned problems, thus taking the 1st place.
15 Korean contestants including 6 students from Kim Chaek University of Technology who belonged to category 1 won the 1st place.