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namespace std { template<> struct hash< pair<int,long long> > { public: size_t operator() (pair<int,long long> x) const { return x.first * 1000000009 + x.second; } }; }
#line 1 "DataStructure/STL/unordered_map_pair.h" namespace std { template<> struct hash< pair<int,long long> > { public: size_t operator() (pair<int,long long> x) const { return x.first * 1000000009 + x.second; } }; }