Compilare: user.cpp: In function ‘int main()’: user.cpp:31: warning: suggest parentheses around ‘&&’ within ‘||’ user.cpp:9: warning: ‘x1’ may be used uninitialized in this function user.cpp:9: warning: ‘y1’ may be used uninitialized in this function user.cpp:9: warning: ‘x2’ may be used uninitialized in this function user.cpp:9: warning: ‘y2’ may be used uninitialized in this function user.cpp:9: warning: ‘maxim2’ may be used uninitialized in this function