05 2024 档案
摘要:#include<bits/stdc++.h> //#define int long long #define ll long long #define I 1.0000000 #define INF 20090509 #define fd(i,a,b) for(int i=a,_i=b;i<=_i
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摘要:此曲只应天上有 秋水文章不染尘
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摘要:#include<bits/stdc++.h> //#define int long long #define ll long long #define fd(i,a,b) for(register int i=a;i<=b;i=-~i) #define bd(i,a,b) for(register
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