Compilare: main.cpp: In function 'int main()': main.cpp:11:15: warning: array subscript has type 'char' [-Wchar-subscripts] a[v[i]]++; ^ main.cpp:17:19: warning: array subscript has type 'char' [-Wchar-subscripts] while (a[j]==0 && j<='z') ^ main.cpp:19:16: warning: array subscript has type 'char' [-Wchar-subscripts] if (a[j]!=0 && j<='z') { ^ main.cpp:20:16: warning: array subscript has type 'char' [-Wchar-subscripts] p[j]=putere; ^ main.cpp:23:23: warning: array subscript has type 'char' [-Wchar-subscripts] ap=a[j]; ^