Compilare: user.cpp: In function ‘int main()’: user.cpp:26:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] f[ch]++; // frecventa caracterului curent ^ user.cpp:27:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[ch][f[ch]] = nr; // a[caracter][al_catelea_caracter_de_acest_tip] ^ user.cpp:27:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[ch][f[ch]] = nr; // a[caracter][al_catelea_caracter_de_acest_tip] ^ user.cpp:34:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(f[v[i]] %2 == 1 && p[v[i]] == 0){ // daca apare de nr impar de ori si nu l-am mai numarat ^ user.cpp:34:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(f[v[i]] %2 == 1 && p[v[i]] == 0){ // daca apare de nr impar de ori si nu l-am mai numarat ^ user.cpp:36:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] p[v[i]] = 1; // il numaram ^ user.cpp:44:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(f[v[i]] %2 == 0){ ^ user.cpp:46:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] int x = a[ch][1]; ^