rj.cpp: In function 'int main()': rj.cpp:21: warning: unused variable 'ifinalr' rj.cpp:21: warning: unused variable 'jfinalr' rj.cpp:21: warning: unused variable 'ifinalj' rj.cpp:21: warning: unused variable 'jfinalj' rj.cpp:21: warning: 'istartr' may be used uninitialized in this function rj.cpp:21: warning: 'istartj' may be used uninitialized in this function rj.cpp:21: warning: 'jstartr' may be used uninitialized in this function rj.cpp:21: warning: 'jstartj' may be used uninitialized in this function rj.cpp:96: warning: 'imn' may be used uninitialized in this function rj.cpp:96: warning: 'jmn' may be used uninitialized in this function