qvect.cpp: In function `int bs1(int, int)': qvect.cpp:37: warning: control reaches end of non-void function qvect.cpp:17: warning: `int mid' might be used uninitialized in this function qvect.cpp: In function `int bs2(int, int)': qvect.cpp:62: warning: control reaches end of non-void function qvect.cpp:42: warning: `int mid' might be used uninitialized in this function qvect.cpp: In function `int e_ok(int)': qvect.cpp:79: warning: control reaches end of non-void function qvect.cpp: In function `int bs()': qvect.cpp:103: warning: control reaches end of non-void function qvect.cpp:169:2: warning: no newline at end of file