Compilare: user.cpp: In function ‘int main()’: user.cpp:16:19: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(x<='z' && x>='a' || x<='Z' && x>='A') ^ user.cpp:23:13: warning: ‘ok’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(ok) cuvinte++; ^