Compilare: user.cpp: In function ‘char* cuvant(int)’: user.cpp:29:7: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] s[5]=NULL; ^ user.cpp:32:11: warning: array subscript has type ‘char’ [-Wchar-subscripts] s[i]=a[shitm8%12]; // tot impartim la 12 , sa aflam valoarea unei litere ^ user.cpp: In function ‘int main()’: user.cpp:56:11: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] cu[5]=NULL; ^ user.cpp:61:14: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] cu[5]=NULL; ^