Compilare: user.cpp: In function 'void solve()': user.cpp:68: warning: array subscript has type 'char' user.cpp:68: warning: array subscript has type 'char' user.cpp:83: warning: array subscript has type 'char' user.cpp:83: warning: array subscript has type 'char' user.cpp:85: warning: array subscript has type 'char' user.cpp:85: warning: array subscript has type 'char' user.cpp:106: warning: array subscript has type 'char' user.cpp:106: warning: array subscript has type 'char' user.cpp:108: warning: array subscript has type 'char' user.cpp:108: warning: array subscript has type 'char' user.cpp:109: warning: array subscript has type 'char' user.cpp:109: warning: array subscript has type 'char'