Compilare: main.cpp: In function 'int main()': main.cpp:22:33: warning: array subscript has type 'char' [-Wchar-subscripts] 22 | if(d[s[n][0]-'a'].l+1>d[ch].l){ | ^~ main.cpp:24:15: warning: array subscript has type 'char' [-Wchar-subscripts] 24 | d[ch]={n,d[s[n][0]-'a'].l+1}; | ^~ main.cpp:25:18: warning: array subscript has type 'char' [-Wchar-subscripts] 25 | if(d[ch].l>Max){ | ^~ main.cpp:26:23: warning: array subscript has type 'char' [-Wchar-subscripts] 26 | Max=d[ch].l; | ^~