Compilare: main.cpp: In function 'void invers(char*, int)': main.cpp:18:18: warning: array subscript has type 'char' [-Wchar-subscripts] 18 | aux = rasp[st]; | ^~ main.cpp:19:12: warning: array subscript has type 'char' [-Wchar-subscripts] 19 | rasp[st] = rasp[dr]; | ^~ main.cpp:19:23: warning: array subscript has type 'char' [-Wchar-subscripts] 19 | rasp[st] = rasp[dr]; | ^~ main.cpp:20:12: warning: array subscript has type 'char' [-Wchar-subscripts] 20 | rasp[dr] = aux; | ^~