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KMP算法匹配入门（Hdu 1686）-------------------- Oulipo-----------------------Problem DescriptionThe French author Georges Perec (1936–1982) once wrote a book, La disparition, without the letter ‘e’. He was...

Hdu 1711Problem DescriptionGiven two sequences of numbers : a[1], a[2], … , a[N], and b[1], b[2], … , b[M] (1 <= M <= 10000, 1 <= N <= 1000000). Your task is to find a number K which mak...