foo.cc: In function 'int main()':
foo.cc:13:13: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
   13 |     scanf("%d", &T);
      |            ~^   ~~
      |             |   |
      |             |   long long int*
      |             int*
      |            %lld

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