Compilare: user.cpp: In function ‘std::pair<int, int>& muc(int, int)’: user.cpp:45: warning: control reaches end of non-void function user.cpp: In function ‘int main()’: user.cpp:44: warning: array subscript is below array bounds user.cpp:44: warning: array subscript is below array bounds user.cpp:44: warning: array subscript is below array bounds user.cpp:44: warning: array subscript is below array bounds