/in/foo.cc: In function 'int main()':
/in/foo.cc:18:27: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   18 |                 if (x==a+2&&y==b+1||x==a+2&&y==b-1||
      |                     ~~~~~~^~~~~~~~
/in/foo.cc:19:27: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   19 |                     x==a-2&&y==b+1||x==a-2&&y==b-1||
      |                     ~~~~~~^~~~~~~~
/in/foo.cc:19:43: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   19 |                     x==a-2&&y==b+1||x==a-2&&y==b-1||
      |                                     ~~~~~~^~~~~~~~
/in/foo.cc:20:27: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   20 |                     x==a+1&&y==b+2||x==a+1&&y==b-2||
      |                     ~~~~~~^~~~~~~~
/in/foo.cc:20:43: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   20 |                     x==a+1&&y==b+2||x==a+1&&y==b-2||
      |                                     ~~~~~~^~~~~~~~
/in/foo.cc:21:27: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   21 |                     x==a-1&&y==b+2||x==a-1&&y==b-2)
      |                     ~~~~~~^~~~~~~~
/in/foo.cc:21:43: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   21 |                     x==a-1&&y==b+2||x==a-1&&y==b-2)
      |                                     ~~~~~~^~~~~~~~
/in/foo.cc:28:26: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   28 |                 if(x==a+2&&y==b+2||x==a+2&&y==b-2||
      |                    ~~~~~~^~~~~~~~
/in/foo.cc:29:26: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   29 |                    x==a-2&&y==b+2||x==a-2&&y==b-2)
      |                    ~~~~~~^~~~~~~~
/in/foo.cc:29:42: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   29 |                    x==a-2&&y==b+2||x==a-2&&y==b-2)
      |                                    ~~~~~~^~~~~~~~