Compilare: user.cpp: In function ‘int main()’: user.cpp:14:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] fr[v[i]]++;} ^ user.cpp:21:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] f>>p[o[i]]; ^ user.cpp:22:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(p[o[i]]>Max) ^ user.cpp:23:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] Max=p[o[i]];} ^ user.cpp:31:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(p[v[k]]+p[v[j]]<=j-k-1) ^ user.cpp:31:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(p[v[k]]+p[v[j]]<=j-k-1) ^