foo.c: In function 'Jishu':
foo.c:23:6: warning: 'ii' may be used uninitialized in this function [-Wmaybe-uninitialized]
  int ii,s,sum1=0,sum2=0,min=mid-a[1];
      ^~

自豪的采用jd5进行评测(github.com/masnn/jd5)