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by gcanyon 4255 days ago
I'm not sure -- I know that after the fourth or fifth time solving a problem on projecteuler.net in 20 lines of code and seeing someone post a 1-line J/K solution, I went and downloaded J. I even managed to solve a few euler problems with it, which I regard as a large accomplishment for a novice. I like to tell people I've written a whole twenty or so lines of code in J!