Compilare: user.cpp: In function ‘int main()’: user.cpp:93:62: warning: ‘dy’ may be used uninitialized in this function [-Wmaybe-uninitialized] for (int i = 1;i <= n;++i) ans += a[i] == dx,ans += b[i] == dy; ^ user.cpp:93:44: warning: ‘dx’ may be used uninitialized in this function [-Wmaybe-uninitialized] for (int i = 1;i <= n;++i) ans += a[i] == dx,ans += b[i] == dy; ^