Borderou de evaluare (job #554459)

Eroare de compilare: user.cpp: In function ‘int cmmdc(int, int)’: user.cpp:16:9: error: ‘r’ was not declared in this scope user.cpp:20:1: warning: no return statement in function returning non-void [-Wreturn-type] user.cpp: In function ‘int valoare(int)’: user.cpp:42:1: error: expected primary-expression before ‘}’ token user.cpp:42:1: error: expected ‘;’ before ‘}’ token user.cpp: In function ‘int main()’: user.cpp:58:18: error: cannot bind ‘std::basic_istream<char>’ lvalue to ‘std::basic_istream<char>&&’ /usr/include/c++/4.6/istream:852:5: error: initializing argument 1 of ‘std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&&, _Tp&) [with _CharT = char, _Traits = std::char_traits<char>, _Tp = int [500][500]]’ user.cpp:59:27: error: invalid types ‘int [13][int [500][500]]’ for array subscript user.cpp:60:20: error: invalid types ‘int [13][int [500][500]]’ for array subscript user.cpp: In function ‘int valoare(int)’: user.cpp:42:1: warning: control reaches end of non-void function [-Wreturn-type]