Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:6:5: error: ‘ifstream’ was not declared in this scope ifstream m("cmmdc.in"); ^ user.cpp:6:5: 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:6:14: error: expected ‘;’ before ‘m’ ifstream m("cmmdc.in"); ^ user.cpp:7:5: error: ‘ofstream’ was not declared in this scope ofstream n("cmmdc.out"); ^ user.cpp:7:5: 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:7:14: error: expected ‘;’ before ‘n’ ofstream n("cmmdc.out"); ^ user.cpp:8:5: error: ‘m’ was not declared in this scope m>>a>>b; ^ user.cpp:11:14: error: ‘i’ was not declared in this scope if(a%i==0&&b%i==0) ^ user.cpp:14:5: error: ‘n’ was not declared in this scope n<<e; ^ user.cpp:15:10: error: ‘w’ was not declared in this scope else w<<"0"; ^