摘要:
1 #include <bits/stdc++.h> 2 using namespace std; 3 #define rep(i,a,b) for(LL i = a;i <= b;++ i) 4 #define per(i,a,b) for(LL i = a;i >= b;-- i) 5 #def 阅读全文
摘要:
1 #include <bits/stdc++.h> 2 using namespace std; 3 #define rep(i,a,b) for(LL i = a;i <= b;++ i) 4 #define per(i,a,b) for(LL i = a;i >= b;-- i) 5 #def 阅读全文
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