Compilare: user.cpp: In function ‘int main()’: user.cpp:21:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] jmenesimtitdarlegit[A[i]]++; ^ user.cpp:53:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(!jmenesimtitdarlegit[B[i]]){k=0;i=0;} ^ user.cpp:14:16: warning: unused variable ‘b’ [-Wunused-variable] int i=1,a, b, k = 0; ^