摘要：
Dima adds letters s1, …, sn one by one to the end of a word. After each letter, he asks Misha to tell him how many new palindrome substrings appeared 阅读全文
posted @ 2018-04-19 22:17
nimphy
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The northern part of the Pyramid contains a very large and complicated labyrinth. The labyrinth is divided into square blocks, each of them either fil 阅读全文
posted @ 2018-04-19 20:01
nimphy
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A positive integer is called a palindrome if its representation in the decimal system is the same when read from left to right and from right to left. 阅读全文
posted @ 2018-04-19 18:57
nimphy
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