But I couldn't manage it.
chsr :: [[String]] -> [(Int,Int)] ->[(Int,Int)] chsr xs ts = filter(control xs)????
How can I do this part?
closed as unclear what you're asking by jberryman, AndrewC, hammar, C. A. McCann, HaskellElephant Aug 2 '13 at 15:01
Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.
As you are learning, I shall answer your question with more questions.