Compilare: user.cpp: In function ‘int main()’: user.cpp:13:55: warning: NULL used in arithmetic [-Wpointer-arith] for(numar_caractere = 0; v[numar_caractere] != NULL; numar_caractere++) ^ user.cpp:15:20: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(v[b]>='a'&& v[b]<='z' || v[b]>='A' && v[b]<='Z')numar_cuvinte++; ^ user.cpp:18:24: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(v[b]>='a'&& v[b]<='z' || v[b]>='A' && v[b]<='Z') numar_litere++; ^ user.cpp:19:27: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while(v[b]>='a'&& v[b]<='z' || v[b]>='A' && v[b]<='Z') ^