/in/foo.cc: In function 'int main()':
/in/foo.cc:6:8: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]
  if(a*c==b*b|a*b==c*c|b*c==a*a)
     ~~~^~~~~
/in/foo.cc:6:26: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]
  if(a*c==b*b|a*b==c*c|b*c==a*a)
                       ~~~^~~~~