viewimage.php?id=3db5c935ecd12bf4&no=24b0d769e1d32ca73dec83fa11d028313e457d3f472465ed713dd2021f912a46623b4c66c42670f90e5e806adb8f729b3e3d0ffa2337b6e71610f3590b54c63d0d06299bcf516c05b4192194c0fcf38f1a4b15b74e096b37638e910d4d8ae8cee49c71587f576195

풀려했는데 잘 안 풀린다.
n을 홀수, 짝수로 가정해서 풀려고 했는데, 안 풀림...
도와주세요.(f0=0임)

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