Compilare: user.cpp: In function ‘int main()’: user.cpp:25:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(v[x[j]]==0) ^ user.cpp:27:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] v[x[j]]++; ^ user.cpp:29:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] else v[x[j]]++; ^ user.cpp:37:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] v[x[i]]--; ^ user.cpp:38:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(v[x[i]]==0) nr--; ^ user.cpp:13:28: warning: variable ‘copie’ set but not used [-Wunused-but-set-variable] int Z,i,C,j,p,u,max,nr,copie; ^ user.cpp:14:10: warning: unused variable ‘c’ [-Wunused-variable] char c; ^