【NOIP提高组2015D2T1】uva 714 copying books【二分答案】—

Before the invention of book-printing, it was very hard to make a copy of a book. All the contents had
to be re-written by hand by so called scribers. The scriber had been given a book and after several
months he finished its copy. One of the most famous scribers lived in the 15th century and his name
was Xaverius Endricus Remius Ontius Xendrianus (Xerox). Anyway, the work was very annoying and
boring. And the only way to speed it up was to hire more scribers.
Once upon a time, there was a theater ensemble that wanted to play famous Antique Tragedies. The
scripts of these plays were divided into many books and actors needed more copies of them, of course.
So they hired many scribers to make copies of these books. Imagine you have m books (numbered
1; 2; : : : ;m) that may have different number of pages (p1; p2; : : : ; pm) and you want to make one copy of
each of them. Your task is to divide these books among k scribes, k m. Each book can be assigned
to a single scriber only, and every scriber must get a continuous sequence of books. That means, there
exists an increasing succession of numbers 0 = b0 < b1 < b2; : : : < bk

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【NOIP提高组2015D2T1】uva 714 copying books【二分答案】——yhx

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