foo.cc: In function 'int main()':
foo.cc:17:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   17 |     scanf("%d",&t);
      |     ~~~~~^~~~~~~~~
foo.cc:21:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   21 |         scanf("%d%d%d",&n,&l,&w);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~
foo.cc:26:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   26 |             scanf("%d%d",&pos,&r);
      |             ~~~~~^~~~~~~~~~~~~~~~

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Found 6 testcases.
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