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摘要: 链接:https://ac.nowcoder.com/acm/contest/11260/E 来源:牛客网 题目描述 There are n cities in the volcano country, numbered from 1 to n. The city 1 is the capital 阅读全文
posted @ 2021-08-15 19:06 脂环 阅读(73) 评论(0) 推荐(2) 编辑