Compilare: user.cpp: In function ‘bool compare_determinant(point, point)’: user.cpp:53:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int extrem()’: user.cpp:82:12: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] return poz; ^ user.cpp: In function ‘int main()’: user.cpp:101:25: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] v[poz].x = aux.x; ^