https://blog.hackerrank.com/which-country-would-win-in-the-programming-olympics/
The result is surprising … China, Russia, Poland are the top 3 countries based on the tests, not the usual expected countries such as USA, India, UK.
Reason: Mathematics ! China, Russia and Poland are strong in Advanced Math education in university. Functional Programming requires the Advanced Math eg. Category Theory.
Singapore Maths Tuition 