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摘要: A 直接按照题意模拟拿钥匙和开门即可…… $\texttt{Code}$ #include<bits/stdc++.h> #define ll long long #define inf (1<<30) #define INF (1ll<<60) #define pii pair<int,int> 阅读全文
posted @ 2022-02-23 10:54 ZCETHAN 阅读(82) 评论(0) 推荐(0) 编辑