POJ 2279 Mr. Young's Picture Permutations(杨氏矩阵和钩子公式)
Mr. Young's Picture PermutationsTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 1165Accepted: 576DescriptionMr. Young wishes to take a picture of his
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2017-07-26 20:38:39 ·
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