Compilare: user.cpp: In function ‘void lee()’: user.cpp:39:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] coada[0][st] = ii, coada[1][st] = ji; ^ user.cpp:39:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] coada[0][st] = ii, coada[1][st] = ji; ^ user.cpp:42:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] x = coada[0][st], y = coada[1][st]; ^ user.cpp:42:42: warning: array subscript has type ‘char’ [-Wchar-subscripts] x = coada[0][st], y = coada[1][st]; ^ user.cpp:53:38: warning: array subscript has type ‘char’ [-Wchar-subscripts] dr++, coada[0][dr] = xx, coada[1][dr] = yy; ^ user.cpp:53:57: warning: array subscript has type ‘char’ [-Wchar-subscripts] dr++, coada[0][dr] = xx, coada[1][dr] = yy; ^