foo.cc: In function 'int main()':
foo.cc:6:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    6 |     scanf("%d%d%d",&n,&st,&maxn);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~
foo.cc:8:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    8 |     for(int i=1;i<=n;i++) scanf("%d",&a[i]);
      |                           ~~~~~^~~~~~~~~~~~

Found 11 testcases.
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