Compilare: main.cpp: In function 'void build()': main.cpp:52:36: warning: array subscript has type 'char' [-Wchar-subscripts] 52 | t[m] = (valori[ch] + 48); | ^~ main.cpp: In function 'int main()': main.cpp:139:16: warning: array subscript has type 'char' [-Wchar-subscripts] 139 | valori[ch] = !valori[ch]; | ^~ main.cpp:139:30: warning: array subscript has type 'char' [-Wchar-subscripts] 139 | valori[ch] = !valori[ch]; | ^~