Compilare: user.cpp: In function ‘void rezolva()’: user.cpp:53:37: warning: suggest parentheses around comparison in operand of ‘^’ [-Wparentheses] if (xor_sum[i] ^ xor_sum[j] > rez) { ^ user.cpp:60:36: warning: ‘b’ may be used uninitialized in this function [-Wmaybe-uninitialized] g << rez << ' ' << a << ' ' << b << '\n'; ^ user.cpp:60:24: warning: ‘a’ may be used uninitialized in this function [-Wmaybe-uninitialized] g << rez << ' ' << a << ' ' << b << '\n'; ^