Eroare de compilare: user.cpp:42:24: error: wrong number of template arguments (1, should be 2) set< pair<long long int>,comparator > ::iterator it; ^ 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:42:37: error: template argument 1 is invalid set< pair<long long int>,comparator > ::iterator it; ^ user.cpp:42:37: error: template argument 3 is invalid user.cpp:42:50: error: expected initializer before ‘it’ set< pair<long long int>,comparator > ::iterator it; ^ user.cpp: In function ‘void Dijkstra(int, int)’: user.cpp:107:9: error: ‘it’ was not declared in this scope it = edges.begin(); ^ user.cpp:90:11: warning: unused variable ‘b’ [-Wunused-variable] int i,b; ^