foo.cc: In function 'void init()':
foo.cc:47:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   47 |     scanf("%d%d",&n,&poss);
      |     ~~~~~^~~~~~~~~~~~~~~~~
foo.cc:50:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   50 |         scanf("%d%d",&d[i],&p);
      |         ~~~~~^~~~~~~~~~~~~~~~~

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