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2018年11月3日
CodeForces - 1073D Berland Fair
摘要： XXI Berland Annual Fair is coming really soon! Traditionally fair consists of nnbooths, arranged in a circle. The booths are numbered 11 through nn cl 阅读全文
posted @ 2018-11-03 22:40 acboyty 阅读(238) 评论(0) 推荐(0) 编辑