Compilare: main.cpp: In function 'long long int divide2(long long int, int, char)': main.cpp:52:18: warning: array subscript has type 'char' [-Wchar-subscripts] 52 | return f[poz][ch]; | ^~ main.cpp:54:21: warning: array subscript has type 'char' [-Wchar-subscripts] 54 | return f[poz][inv(ch)]; | ~~~^~~~ main.cpp:69:32: warning: array subscript has type 'char' [-Wchar-subscripts] 69 | aux = (x / (2 * n)) * (f[n][ch] + f[n][inv(ch)]); | ^~ main.cpp:69:46: warning: array subscript has type 'char' [-Wchar-subscripts] 69 | aux = (x / (2 * n)) * (f[n][ch] + f[n][inv(ch)]); | ~~~^~~~ main.cpp:71:36: warning: array subscript has type 'char' [-Wchar-subscripts] 71 | aux = 2 * (x / (2 * n)) * (f[n][ch] + f[n][inv(ch)]); | ^~ main.cpp:71:50: warning: array subscript has type 'char' [-Wchar-subscripts] 71 | aux = 2 * (x / (2 * n)) * (f[n][ch] + f[n][inv(ch)]); | ~~~^~~~ main.cpp:73:36: warning: array subscript has type 'char' [-Wchar-subscripts] 73 | aux = 3 * (x / (2 * n)) * (f[n][ch] + f[n][inv(ch)]); | ^~ main.cpp:73:50: warning: array subscript has type 'char' [-Wchar-subscripts] 73 | aux = 3 * (x / (2 * n)) * (f[n][ch] + f[n][inv(ch)]); | ~~~^~~~ main.cpp:77:15: warning: array subscript has type 'char' [-Wchar-subscripts] 77 | aux = f[n][ch]; | ^~ main.cpp:79:15: warning: array subscript has type 'char' [-Wchar-subscripts] 79 | aux = f[n][ch] + f[n][inv(ch)]; | ^~ main.cpp:79:29: warning: array subscript has type 'char' [-Wchar-subscripts] 79 | aux = f[n][ch] + f[n][inv(ch)]; | ~~~^~~~ main.cpp:81:15: warning: array subscript has type 'char' [-Wchar-subscripts] 81 | aux = f[n][ch] + 2 * f[n][inv(ch)]; | ^~ main.cpp:81:33: warning: array subscript has type 'char' [-Wchar-subscripts] 81 | aux = f[n][ch] + 2 * f[n][inv(ch)]; | ~~~^~~~ main.cpp: In function 'int main()': main.cpp:97:12: warning: array subscript has type 'char' [-Wchar-subscripts] 97 | f[i][s[i]]++; | ^