/in/foo.cc: In function 'int main()':
/in/foo.cc:39:31: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
  if ((sumw >= 0 && sumw < 11) && (suml >= 0 && suml < 11)||sumw==suml)
      ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/in/foo.cc:53:31: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
  if ((sumw >= 0 && sumw < 21) && (suml >= 0 && suml < 21)||sumw==suml)
      ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~