/in/foo.cc: In function 'int main()':
/in/foo.cc:90:32: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
   90 |         if (ans!=INF) printf("%d\n",ans);
      |                               ~^    ~~~
      |                                |    |
      |                                int  long long int
      |                               %lld