foo.cc: In function 'int main()':
foo.cc:9:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    9 |  scanf("%lld",&n);
      |  ~~~~~^~~~~~~~~~~
foo.cc:10:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   10 |  for(long long int i=1;i<=n;i++)scanf("%lld",a+i);
      |                                 ~~~~~^~~~~~~~~~~~

Found 10 testcases.
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