foo.cc: In function 'int main()':
foo.cc:10:17: warning: comparison of constant '999' with boolean expression is always true [-Wbool-compare]
   10 |         if(a>100<999)
      |            ~~~~~^~~~
foo.cc:10:13: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses]
   10 |         if(a>100<999)
      |            ~^~~~

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