foo.cc: In function 'int main()':
foo.cc:11:10: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'll*' {aka 'long long int*'} [-Wformat=]
   11 |  scanf("%d%d",&n,&k);
      |         ~^    ~~
      |          |    |
      |          int* ll* {aka long long int*}
      |         %lld
foo.cc:11:12: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'll*' {aka 'long long int*'} [-Wformat=]
   11 |  scanf("%d%d",&n,&k);
      |           ~^     ~~
      |            |     |
      |            int*  ll* {aka long long int*}
      |           %lld
foo.cc:13:11: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'll*' {aka 'long long int*'} [-Wformat=]
   13 |   scanf("%d",&a[i]);
      |          ~^  ~~~~~
      |           |  |
      |           |  ll* {aka long long int*}
      |           int*
      |          %lld
foo.cc:11:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   11 |  scanf("%d%d",&n,&k);
      |  ~~~~~^~~~~~~~~~~~~~
foo.cc:13:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   13 |   scanf("%d",&a[i]);
      |   ~~~~~^~~~~~~~~~~~

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