foo.cc: In function 'int main()':
foo.cc:46:11: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
   46 |  printf("%d\n",ans);
      |          ~^    ~~~
      |           |    |
      |           int  long long int
      |          %lld

Found 10 testcases.
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