十年换你一句好久不见

摘要： A - Ice Tea Store Time limit : 2sec / Memory limit : 256MB Score : 300 points Problem Statement You've come to your favorite store Infinitesco to buy 阅读全文

摘要： A. Sorting by Subsequences You are given a sequence a1, a2, ..., an consisting of different integers. It is required to split this sequence into the m 阅读全文