Wrong Answer
/in/foo.cc: In function 'int main()':
/in/foo.cc:17:6: warning: 'k' may be used uninitialized in this function [-Wmaybe-uninitialized]
k--;
^
/in/foo.cc: In function 'int main()':
/in/foo.cc:17:6: warning: 'k' may be used uninitialized in this function [-Wmaybe-uninitialized]
k--;
^
