Eroare de compilare: user.cpp:12:49: error: template argument 2 is invalid priority_queue < pp, vector<pp>, greater <pp> > q; ^ user.cpp:12:22: error: wrong number of template arguments (3, should be 2) priority_queue < pp, vector<pp>, greater <pp> > q; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:64:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/c++/4.8/bits/stl_pair.h:96:12: error: provided for ‘template<class _T1, class _T2> struct std::pair’ struct pair ^ user.cpp:4:12: error: template argument 1 is invalid #define pp pair<int,pair< char,char > ^ user.cpp:12:18: note: in expansion of macro ‘pp’ priority_queue < pp, vector<pp>, greater <pp> > q; ^ user.cpp:4:12: error: template argument 2 is invalid #define pp pair<int,pair< char,char > ^ user.cpp:12:18: note: in expansion of macro ‘pp’ priority_queue < pp, vector<pp>, greater <pp> > q; ^ user.cpp:4:12: error: template argument 3 is invalid #define pp pair<int,pair< char,char > ^ user.cpp:12:18: note: in expansion of macro ‘pp’ priority_queue < pp, vector<pp>, greater <pp> > q; ^ user.cpp: In function ‘int main()’: user.cpp:24:5: error: ‘q’ was not declared in this scope q.push(mp(durata[1],mp((char)1 ,(char)(n - cost[1])) ) ); ^