/in/foo.cc: In function 'void debug(int*, int)':
/in/foo.cc:12:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for (int i=1; i<=len; i++) printf("%d ",A[i]); printf("\n");
  ^~~
/in/foo.cc:12:49: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
  for (int i=1; i<=len; i++) printf("%d ",A[i]); printf("\n");
                                                 ^~~~~~