China and Russia trump U.S. for the best developers in the world, says HackerRank

Which countries have the best programmers in the world?
HackerRank, a platform that ranks engineers based on their coding skills and helps companies discover talent faster, has tried to answer this question based on coding challenges.
Attracting hundreds of thousands of developers from all over the world, these challenges involve a variety of languages and knowledge domains, from Python and algorithms to security and distributed systems. Developers were scored and ranked based on a combination o