Compilare: user.cpp: In function ‘int main()’: user.cpp:30:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(poz[i]!=0) ^ user.cpp:32:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] poz[i]=++dist; ^ user.cpp:46:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] v[i]=(v[i]*BASE+poz[s[j]]); ^ user.cpp:16:9: warning: unused variable ‘val’ [-Wunused-variable] int val; ^