foo.c: In function 'main':
foo.c:21:14: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
   21 |     printf("%d",total);
      |             ~^  ~~~~~
      |              |  |
      |              |  long long int
      |              int
      |             %lld

[Hydro](https://hydro.ac)提供评测服务