foo.cc: In function 'int bs(int, int)':
foo.cc:12:22: warning: 'ys' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return (ys*(a/ys)*(b/ys));
                    ~~^~~~
foo.cc: In function 'int main()':
foo.cc:12:22: warning: 'ys' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return (ys*(a/ys)*(b/ys));
                    ~~^~~~
foo.cc:6:6: note: 'ys' was declared here
  int ys, lsb = b;
      ^~

自豪的采用jd5进行评测(github.com/masnn/jd5)

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