Eroare de compilare: user.cpp: In function ‘int cm(int, int)’: user.cpp:9:5: error: ‘fout’ was not declared in this scope fout<<r; ^ user.cpp:10:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:13:5: error: ‘ifstream’ was not declared in this scope ifstream fin("cmmdc.in"); ^ user.cpp:13:5: note: suggested alternative: In file included from /usr/local/include/c++/4.8.0/ios:38:0, from /usr/local/include/c++/4.8.0/istream:38, from /usr/local/include/c++/4.8.0/fstream:38, from user.cpp:1: /usr/local/include/c++/4.8.0/iosfwd:157:34: note: ‘std::ifstream’ typedef basic_ifstream<char> ifstream; ^ user.cpp:13:14: error: expected ‘;’ before ‘fin’ ifstream fin("cmmdc.in"); ^ user.cpp:14:5: error: ‘ofstream’ was not declared in this scope ofstream fout("cmmdc.out"); ^ user.cpp:14:5: note: suggested alternative: In file included from /usr/local/include/c++/4.8.0/ios:38:0, from /usr/local/include/c++/4.8.0/istream:38, from /usr/local/include/c++/4.8.0/fstream:38, from user.cpp:1: /usr/local/include/c++/4.8.0/iosfwd:160:34: note: ‘std::ofstream’ typedef basic_ofstream<char> ofstream; ^ user.cpp:14:14: error: expected ‘;’ before ‘fout’ ofstream fout("cmmdc.out"); ^ user.cpp:16:5: error: ‘fin’ was not declared in this scope fin>>a>>b; ^ user.cpp:17:14: error: ‘cmmdc’ was not declared in this scope cmmdc(a,b); ^