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摘要: #include <bits/stdc++.h> #define gcd(a, b) __gcd(a, b) #define INF 0x3f3f3f3f3f #define eps 1e-6 #define PI acos(-1.0) #define pb push_back #define fs 阅读全文
posted @ 2022-03-05 22:47 脂环 阅读(48) 评论(0) 推荐(0) 编辑