rj.cpp: In function 'int main()': rj.cpp:34: warning: unused variable 'lu' rj.cpp:34: warning: 'lp1' may be used uninitialized in this function rj.cpp:34: warning: 'cp1' may be used uninitialized in this function rj.cpp:34: warning: 'lp2' may be used uninitialized in this function rj.cpp:34: warning: 'cp2' may be used uninitialized in this function rj.cpp:34: warning: 'x' may be used uninitialized in this function rj.cpp:34: warning: 'y' may be used uninitialized in this function