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This challenge is really interesting, but the scoring system is broken. Assuming the signals are somewhat random, you can get a near 50% score by outputing the "correct" number of 1's or 0's. I think this problem would benefit from having say 20 test cases where, if your output reaches near 90% fidelity, that test case awards 10 points. Not only does this solve the nagging of never getting the 200pts, it stops potential cheating.
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[Approximate Challenge] Convolutional Coding
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This challenge is really interesting, but the scoring system is broken. Assuming the signals are somewhat random, you can get a near 50% score by outputing the "correct" number of 1's or 0's. I think this problem would benefit from having say 20 test cases where, if your output reaches near 90% fidelity, that test case awards 10 points. Not only does this solve the nagging of never getting the 200pts, it stops potential cheating.