/in/foo.c: In function 'main':
/in/foo.c:14:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(;i<n-1;i++)
  ^~~
/in/foo.c:16:3: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   printf("%d",a[n-1]);
   ^~~~~~