rj.cpp: In function `int main()': rj.cpp:39: warning: `int r1' might be used uninitialized in this function rj.cpp:39: warning: `int r2' might be used uninitialized in this function rj.cpp:39: warning: `int j1' might be used uninitialized in this function rj.cpp:39: warning: `int j2' might be used uninitialized in this function rj.cpp:115: warning: `int lmin' might be used uninitialized in this function rj.cpp:115: warning: `int l1' might be used uninitialized in this function rj.cpp:115: warning: `int l2' might be used uninitialized in this function /tmp/ccoNAj1U.o(.text+0xf1): In function `main': : the `gets' function is dangerous and should not be used.