foo.c: In function 'main':
foo.c:65:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d",&n,&nA,&nB);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
foo.c:76:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&zhouqiA[i]);
   ^~~~~~~~~~~~~~~~~~~~~~~
foo.c:85:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&zhouqiB[i]);
   ^~~~~~~~~~~~~~~~~~~~~~~

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