/in/foo.cc: In function 'int main()':
/in/foo.cc:35:6: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
      for (int i=1;i<=n;i++)
      ^~~
/in/foo.cc:42:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
   if (flag) printf("%s\n","Yes");else printf("%s\n","No");
   ^~