Borderou de evaluare (job #793047)

Eroare de compilare: main.cpp:4:13: error: variable 'std::ifstream cin' has initializer but incomplete type 4 | ifstream cin("aritmetica2.in"); | ^ main.cpp:5:14: error: variable 'std::ofstream cout' has initializer but incomplete type 5 | ofstream cout("aritmetica2.out"); | ^ main.cpp: In function 'int main()': main.cpp:10:13: error: reference to 'cout' is ambiguous 10 | if(b==0)cout<<a+c; | ^~~~ In file included from main.cpp:1: /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/iostream:63:18: note: candidates are: 'std::ostream std::cout' 63 | extern ostream cout; ///< Linked to standard output | ^~~~ main.cpp:5:10: note: '<typeprefixerror>cout' 5 | ofstream cout("aritmetica2.out"); | ^~~~ main.cpp:11:18: error: reference to 'cout' is ambiguous 11 | else if(b==1)cout<<a-c; | ^~~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/iostream:63:18: note: candidates are: 'std::ostream std::cout' 63 | extern ostream cout; ///< Linked to standard output | ^~~~ main.cpp:5:10: note: '<typeprefixerror>cout' 5 | ofstream cout("aritmetica2.out"); | ^~~~ main.cpp:12:18: error: reference to 'cout' is ambiguous 12 | else if(b==2)cout<<a*c; | ^~~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/iostream:63:18: note: candidates are: 'std::ostream std::cout' 63 | extern ostream cout; ///< Linked to standard output | ^~~~ main.cpp:5:10: note: '<typeprefixerror>cout' 5 | ofstream cout("aritmetica2.out"); | ^~~~ main.cpp:13:18: error: reference to 'cout' is ambiguous 13 | else if(b==3)cout<<a/c<<" "<<a%c; | ^~~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/iostream:63:18: note: candidates are: 'std::ostream std::cout' 63 | extern ostream cout; ///< Linked to standard output | ^~~~ main.cpp:5:10: note: '<typeprefixerror>cout' 5 | ofstream cout("aritmetica2.out"); | ^~~~