Eroare de compilare: user.cpp: In function ‘void citeste()’: user.cpp:29:5: error: ‘ifstream’ was not declared in this scope ifstream f1("dijkstra.in"); ^ user.cpp:29:5: note: suggested alternative: In file included from /usr/include/c++/4.8/ios:38:0, 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/iosfwd:157:34: note: ‘std::ifstream’ typedef basic_ifstream<char> ifstream; ^ user.cpp:29:14: error: expected ‘;’ before ‘f1’ ifstream f1("dijkstra.in"); ^ user.cpp:30:5: error: ‘f1’ was not declared in this scope f1>>&n>>&m; ^ user.cpp:36:20: error: ‘add’ was not declared in this scope add(x, y, z); ^ user.cpp: In function ‘int main()’: user.cpp:140:8: error: ‘ofstream’ was not declared in this scope ofstream f2("dijkstra.out") ^ user.cpp:140:8: note: suggested alternative: In file included from /usr/include/c++/4.8/ios:38:0, 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/iosfwd:160:34: note: ‘std::ofstream’ typedef basic_ofstream<char> ofstream; ^ user.cpp:140:17: error: expected ‘;’ before ‘f2’ ofstream f2("dijkstra.out") ^ user.cpp:145:9: error: ‘f2’ was not declared in this scope f2<<d[i]<<" "; ^ user.cpp:146:2: error: ‘f2’ was not declared in this scope f2.close(); ^