foo.cc: In function 'int main()':
foo.cc:16:13: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
   16 |     scanf("%d%d",&t,&n);
      |            ~^    ~~
      |             |    |
      |             int* long long int*
      |            %lld
foo.cc:16:15: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=]
   16 |     scanf("%d%d",&t,&n);
      |              ~^     ~~
      |               |     |
      |               int*  long long int*
      |              %lld
foo.cc:16:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   16 |     scanf("%d%d",&t,&n);
      |     ~~~~~^~~~~~~~~~~~~~

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