Eroare de compilare: main.cpp:18:11: error: '::main' must return 'int' void main() ^ main.cpp: In function 'void Citire()': main.cpp:27:3: error: 'ifstream' was not declared in this scope { ifstream fin(InFile); ^~~~~~~~ main.cpp:27:3: 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 main.cpp:1: /usr/include/c++/6/iosfwd:162:34: note: 'std::ifstream' typedef basic_ifstream<char> ifstream; ^~~~~~~~ main.cpp:28:3: error: 'fin' was not declared in this scope fin >> H >> N >> M >> p; ^~~ main.cpp: In function 'void Afisare()': main.cpp:35:3: error: 'ofstream' was not declared in this scope ofstream fout(OutFile); ^~~~~~~~ main.cpp:35:3: 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 main.cpp:1: /usr/include/c++/6/iosfwd:165:34: note: 'std::ofstream' typedef basic_ofstream<char> ofstream; ^~~~~~~~ main.cpp:36:3: error: 'fout' was not declared in this scope fout << setprecision(2) << efmin << endl; ^~~~ main.cpp:36:25: error: 'setprecision' was not declared in this scope fout << setprecision(2) << efmin << endl; ^ main.cpp:36:25: note: suggested alternative: In file included from main.cpp:2:0: /usr/include/c++/6/iomanip:195:3: note: 'std::setprecision' setprecision(int __n) ^~~~~~~~~~~~ main.cpp:36:39: error: 'endl' was not declared in this scope fout << setprecision(2) << efmin << endl; ^~~~ main.cpp:36:39: note: suggested alternative: In file included from /usr/include/c++/6/istream:39:0, from /usr/include/c++/6/fstream:38, from main.cpp:1: /usr/include/c++/6/ostream:590:5: note: 'std::endl' endl(basic_ostream<_CharT, _Traits>& __os) Non zero exit status: 1