500 from 1000. Ha ha. I solved more than 100 of them, and there's absolutely no way it will take "couple of months" to solve 500, unless you're one of the best

500 from 1000. Ha ha. I solved more than 100 of them, and there's absolutely no way it will take "couple of months" to solve 500, unless you're one of the best programmers on the planet and are working on solving them full time.