[laxatives]

China's run is pretty incredible. Its also crazy how competitive North Korea is, despite having a nearly non-existent economy or education system and a tiny population. PRK finished in the top 10 every competition in the past decade, except '14, '12, and '10.

[nhaliday]

North Korea has also cheated a couple times, so it's a little questionable: https://www.quora.com/How-did-North-Korea-cheat-in-the-IMO-i...