随笔分类 -  构造题目

The North American Invitational Programming Contest 2018 H. Recovery
摘要：Consider an n \times mn×m matrix of ones and zeros. For example, this 4 \times 44×4: \displaystyle \begin{matrix} 1 & 1 & 1 & 1 \\ 0 & 1 & 1 & 1 \\ 0 阅读全文

posted @ 2018-08-16 15:33 cltt 阅读(332) 评论(0) 推荐(0) 编辑

cf 1016D
摘要：D. Vasya And The Matrix time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output D. Vasya And The 阅读全文

posted @ 2018-08-16 14:55 cltt 阅读(166) 评论(0) 推荐(0) 编辑

Nordic Collegiate Programming Contest 2015​ B. Bell Ringing
摘要：Method ringing is used to ring bells in churches, particularly in England. Suppose there are 6 bells that have 6 different pitches. We assign the numb 阅读全文

posted @ 2018-07-31 00:24 cltt 阅读(213) 评论(0) 推荐(0) 编辑

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