Problem FPaths through the
HourglassInput:Standard InputOutput:Standard OutputTime Limit:2 SecondsIn the
hourglass to the right a path is marked. A pa...
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其他好文 时间：
2014-05-16 05:34:47
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307
Problem：In the 2020 grid below, four numbers
along a diagonal line have been marked in red.08 02 22 97 38 15 00 40 00 75 04
05 07 78 52 12 50 77 91 08...
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其他好文 时间：
2014-05-06 14:35:55
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460
