Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:16:5: error: ‘ifstream’ was not declared in this scope ifstream fin("euclid2.in"); ^ user.cpp:16:5: note: suggested alternative: In file included from /usr/include/c++/4.8/ios:38:0, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from user.cpp:1: /usr/include/c++/4.8/iosfwd:157:34: note: ‘std::ifstream’ typedef basic_ifstream<char> ifstream; ^ user.cpp:16:14: error: expected ‘;’ before ‘fin’ ifstream fin("euclid2.in"); ^ user.cpp:17:5: error: ‘ofstream’ was not declared in this scope ofstream fout("euclid2.out"); ^ user.cpp:17:5: note: suggested alternative: In file included from /usr/include/c++/4.8/ios:38:0, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from user.cpp:1: /usr/include/c++/4.8/iosfwd:160:34: note: ‘std::ofstream’ typedef basic_ofstream<char> ofstream; ^ user.cpp:17:14: error: expected ‘;’ before ‘fout’ ofstream fout("euclid2.out"); ^ user.cpp:18:5: error: ‘fin’ was not declared in this scope fin>>t; ^ user.cpp:19:10: error: ‘i’ was not declared in this scope for (i=0;i<t;i++) ^ user.cpp:22:9: error: ‘fout’ was not declared in this scope fout<<cmmdc(a,b)<<endl; ^ user.cpp:22:27: error: ‘endl’ was not declared in this scope fout<<cmmdc(a,b)<<endl; ^ user.cpp:22:27: note: suggested alternative: In file included from /usr/include/c++/4.8/iostream:39:0, from user.cpp:1: /usr/include/c++/4.8/ostream:564:5: note: ‘std::endl’ endl(basic_ostream<_CharT, _Traits>& __os) ^ user.cpp:25:5: error: ‘fout’ was not declared in this scope fout.close(); ^