Compilare: user.cpp: In member function ‘int cerc::Hash()’: user.cpp:55:63: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] return ((int)centru.x * 3522) ^ ((int)centru.y * 232) + ((int)r ^ 27662); ^ user.cpp: In function ‘int main()’: user.cpp:201:23: warning: ‘n’ may be used uninitialized in this function [-Wmaybe-uninitialized] for (int i = 1; i <= n; ++ i) { ^