/in/foo.cc: In function 'int main()':
/in/foo.cc:11:43: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   11 |                         if(i+j<=mid&&i<mid&&j<mid||i-j>=mid||j-i>=mid||i+j>=3*mid&&i>mid&&j>mid)cout<<' ';
      |                            ~~~~~~~~~~~~~~~^~~~~~~
/in/foo.cc:11:89: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   11 |                         if(i+j<=mid&&i<mid&&j<mid||i-j>=mid||j-i>=mid||i+j>=3*mid&&i>mid&&j>mid)cout<<' ';
      |                                                                        ~~~~~~~~~~~~~~~~~^~~~~~~