/in/foo.cc: In function 'int main()':
/in/foo.cc:5:13: warning: variable 'MAX' set but not used [-Wunused-but-set-variable]
  float a[9],MAX,MIN,t;
             ^~~
/in/foo.cc:13:9: warning: iteration 8 invokes undefined behavior [-Waggressive-loop-optimizations]
   if(a[i]>a[max])
      ~~~^
/in/foo.cc:11:11: note: within this loop
  for(i=1;i<10;i++)
          ~^~~
/in/foo.cc:28:11: warning: iteration 9 invokes undefined behavior [-Waggressive-loop-optimizations]
  cout<<a[i]<<" ";
           ^
/in/foo.cc:27:11: note: within this loop
  for(i=0;i<10;i++)
          ~^~~