Compilare: main.cpp: In function 'void di(long long unsigned int, long long unsigned int, bool)': main.cpp:35:56: warning: array subscript has type 'char' [-Wchar-subscripts] 35 | cout << char(s[i-1]) << ' ' << atemp[s[i-1]] + sp[i-1][s[i-1]] << '\n'; | ^ main.cpp:35:74: warning: array subscript has type 'char' [-Wchar-subscripts] 35 | cout << char(s[i-1]) << ' ' << atemp[s[i-1]] + sp[i-1][s[i-1]] << '\n'; | ^ main.cpp:39:84: warning: array subscript has type 'char' [-Wchar-subscripts] 39 | cout << char(s[i-1]-32) << ' ' << atemp[s[i-1]-32] + sp[i-1][s[i-1]] << '\n'; | ^ main.cpp:40:85: warning: array subscript has type 'char' [-Wchar-subscripts] 40 | else cout << char(s[i-1]+32) << ' ' << atemp[s[i-1]+32] + sp[i-1][s[i-1]] << '\n'; | ^ main.cpp: In function 'int main()': main.cpp:198:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 198 | for(int z = 0; z < s.size(); z++) | ~~^~~~~~~~~~