/in/foo.cc: In function 'int main()':
/in/foo.cc:11:10: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   if((a&b==n2)&&(a|b==n3))
         ~^~~~
/in/foo.cc:11:21: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]
   if((a&b==n2)&&(a|b==n3))
                    ~^~~~
/in/foo.cc:16:10: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   if((a&b==n3)&&(a|b==n3))
         ~^~~~
/in/foo.cc:16:21: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]
   if((a&b==n3)&&(a|b==n3))
                    ~^~~~
/in/foo.cc:25:9: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   if(a&b==n1&&a|b==n3)
        ~^~~~
/in/foo.cc:25:18: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]
   if(a&b==n1&&a|b==n3)
                 ~^~~~
/in/foo.cc:30:9: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   if(a&b==n3&&a|b==n1)
        ~^~~~
/in/foo.cc:30:18: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]
   if(a&b==n3&&a|b==n1)
                 ~^~~~
/in/foo.cc:39:9: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   if(a&b==n1&&a|b==n2)
        ~^~~~
/in/foo.cc:39:18: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]
   if(a&b==n1&&a|b==n2)
                 ~^~~~
/in/foo.cc:44:9: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   if(a&b==n2&&a|b==n1)
        ~^~~~
/in/foo.cc:44:18: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]
   if(a&b==n2&&a|b==n1)
                 ~^~~~