Eroare de compilare: user.cpp: In function ‘void Citire()’: user.cpp:30:2: error: ‘ifstream’ was not declared in this scope ifstream fin(InFile); ^~~~~~~~ user.cpp:30:2: note: suggested alternative: In file included from /usr/include/c++/6/ios:38:0, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from user.cpp:1: /usr/include/c++/6/iosfwd:162:34: note: ‘std::ifstream’ typedef basic_ifstream<char> ifstream; ^~~~~~~~ user.cpp:31:2: error: ‘fin’ was not declared in this scope fin >> H >> N >> M >> p; ^~~ user.cpp: In function ‘void Afisare()’: user.cpp:38:2: error: ‘ofstream’ was not declared in this scope ofstream fout(OutFile); ^~~~~~~~ user.cpp:38:2: note: suggested alternative: In file included from /usr/include/c++/6/ios:38:0, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from user.cpp:1: /usr/include/c++/6/iosfwd:165:34: note: ‘std::ofstream’ typedef basic_ofstream<char> ofstream; ^~~~~~~~ user.cpp:39:2: error: ‘fout’ was not declared in this scope fout << setprecision(2) << efmin << "\n"; ^~~~ user.cpp:39:24: error: ‘setprecision’ was not declared in this scope fout << setprecision(2) << efmin << "\n"; ^ user.cpp:39:24: note: suggested alternative: In file included from user.cpp:2:0: /usr/include/c++/6/iomanip:195:3: note: ‘std::setprecision’ setprecision(int __n) ^~~~~~~~~~~~