摘要：
``` include define RG register define IL inline define _ 500005 define INF 1e18 define ll long long using namespace std; IL ll gi(){ RG ll data = 0 , 阅读全文
摘要：
``` #include #define RG register #define IL inline #define _ 150005 #define eps 1e-7 #define ll long long using namespace std; ll n , K , s[_] , a[_] , C , inf , Res , L , R , hd , tl ; struct It... 阅读全文