/in/foo.c: In function 'min_':
/in/foo.c:31:9: warning: 'min' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return min;
         ^~~
/in/foo.c: In function 'main':
/in/foo.c:105:2: warning: 'min' may be used uninitialized in this function [-Wmaybe-uninitialized]
  printf("%d %d",final_xh,max);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/in/foo.c:26:5: warning: 'min' may be used uninitialized in this function [-Wmaybe-uninitialized]
   if(min>cj[i] && cj[i]!=-1)
     ^
/in/foo.c:16:6: note: 'min' was declared here
  int min;
      ^~~