Eroare de compilare: main.cpp: In function 'int main()': main.cpp:8:1: error: 'ifstream' was not declared in this scope ifstream fin; ^~~~~~~~ main.cpp:8:1: note: suggested alternative: In file included from /usr/include/c++/6/ios:38:0, from /usr/include/c++/6/ostream:38, from /usr/include/c++/6/iostream:39, from main.cpp:1: /usr/include/c++/6/iosfwd:162:34: note: 'std::ifstream' typedef basic_ifstream<char> ifstream; ^~~~~~~~ main.cpp:9:3: error: 'ofstream' was not declared in this scope ofstream fout; ^~~~~~~~ main.cpp:9:3: note: suggested alternative: In file included from /usr/include/c++/6/ios:38:0, from /usr/include/c++/6/ostream:38, from /usr/include/c++/6/iostream:39, from main.cpp:1: /usr/include/c++/6/iosfwd:165:34: note: 'std::ofstream' typedef basic_ofstream<char> ofstream; ^~~~~~~~ main.cpp:10:1: error: 'fin' was not declared in this scope fin.open("adunare.in"); ^~~ main.cpp:14:1: error: 'cout' was not declared in this scope cout<<"a="<<a<<' '<<"b="<<b<<' '<<"c="<<a<<'+'<<b<<'='<<c<<endl; ^~~~ main.cpp:14:1: note: suggested alternative: In file included from main.cpp:1:0: /usr/include/c++/6/iostream:61:18: note: 'std::cout' extern ostream cout; /// Linked to standard output ^~~~ main.cpp:14:60: error: 'endl' was not declared in this scope cout<<"a="<<a<<' '<<"b="<<b<<' '<<"c="<<a<<'+'<<b<<'='<<c<<endl; ^~~~ main.cpp:14:60: note: suggested alternative: In file included from /usr/include/c++/6/iostream:39:0, from main.cpp:1: /usr/include/c++/6/ostream:590:5: note: 'std::endl' endl(basic_ostream<_CharT, _Traits>& __os) ^~~~ main.cpp:16:1: error: 'fout' was not declared in this scope fout.open("adunare.out"); ^~~~ Non zero exit status: 1