/in/foo.cc: In function 'int main()':
/in/foo.cc:8:13: warning: iteration 9 invokes undefined behavior [-Waggressive-loop-optimizations]
       if(a[i]<min)
          ~~~^
/in/foo.cc:6:11: note: within this loop
  for(i=0;i<=9;i++)
          ~^~~
/in/foo.cc:13:36: warning: 'jmin' may be used uninitialized in this function [-Wmaybe-uninitialized]
  jh=a[jmax];a[jmax]=a[jmin];a[jmin]=jh;
                             ~~~~~~~^~~
/in/foo.cc:13:20: warning: 'jmax' may be used uninitialized in this function [-Wmaybe-uninitialized]
  jh=a[jmax];a[jmax]=a[jmin];a[jmin]=jh;
             ~~~~~~~^~~~~~~~