foo.cc: In function 'int main()':
foo.cc:105:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  105 |         scanf("%d",&t);
      |         ~~~~~^~~~~~~~~
foo.cc:107:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  107 |                 scanf("%d",a+i);
      |                 ~~~~~^~~~~~~~~~

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