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2018年9月9日
ACM-ICPC 2018 徐州赛区网络预赛 H. Ryuji doesn't want to study （线段树）
摘要： Ryuji is not a good student, and he doesn't want to study. But there are n books he should learn, each book has its knowledge a[i]a[i]. Unfortunately, 阅读全文
posted @ 2018-09-09 22:48 acboyty 阅读(324) 评论(0) 推荐(0)