foo.cc: In function 'int main()':
foo.cc:20:26: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   20 |         if (x0 - x1 == 1 && y0 - y1 == 2 || x0 - x1 == -1 && y0 - y1 == 2 || x0 - x1 == -1 && y0 - y1 == -2 || x0 - x1 == 1 && y0 - y1 == -2 || x0 - x1 == 2 && y0 - y1 == 1 || x0 - x1 == -2 && y0 - y1 == 1 || x0 - x1 == 2 && y0 - y1 == -1 || x0 - x1 == -2 && y0 - y1 == -1)
      |             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~
foo.cc:20:92: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   20 |         if (x0 - x1 == 1 && y0 - y1 == 2 || x0 - x1 == -1 && y0 - y1 == 2 || x0 - x1 == -1 && y0 - y1 == -2 || x0 - x1 == 1 && y0 - y1 == -2 || x0 - x1 == 2 && y0 - y1 == 1 || x0 - x1 == -2 && y0 - y1 == 1 || x0 - x1 == 2 && y0 - y1 == -1 || x0 - x1 == -2 && y0 - y1 == -1)
      |                                                                              ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
foo.cc:20:125: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   20 |         if (x0 - x1 == 1 && y0 - y1 == 2 || x0 - x1 == -1 && y0 - y1 == 2 || x0 - x1 == -1 && y0 - y1 == -2 || x0 - x1 == 1 && y0 - y1 == -2 || x0 - x1 == 2 && y0 - y1 == 1 || x0 - x1 == -2 && y0 - y1 == 1 || x0 - x1 == 2 && y0 - y1 == -1 || x0 - x1 == -2 && y0 - y1 == -1)
      |                                                                                                                ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
foo.cc:20:158: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   20 |         if (x0 - x1 == 1 && y0 - y1 == 2 || x0 - x1 == -1 && y0 - y1 == 2 || x0 - x1 == -1 && y0 - y1 == -2 || x0 - x1 == 1 && y0 - y1 == -2 || x0 - x1 == 2 && y0 - y1 == 1 || x0 - x1 == -2 && y0 - y1 == 1 || x0 - x1 == 2 && y0 - y1 == -1 || x0 - x1 == -2 && y0 - y1 == -1)
      |                                                                                                                                                 ~~~~~~~~~~~~~^~~~~~~~~~~~~~~
foo.cc:20:191: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   20 |         if (x0 - x1 == 1 && y0 - y1 == 2 || x0 - x1 == -1 && y0 - y1 == 2 || x0 - x1 == -1 && y0 - y1 == -2 || x0 - x1 == 1 && y0 - y1 == -2 || x0 - x1 == 2 && y0 - y1 == 1 || x0 - x1 == -2 && y0 - y1 == 1 || x0 - x1 == 2 && y0 - y1 == -1 || x0 - x1 == -2 && y0 - y1 == -1)
      |                                                                                                                                                                                 ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
foo.cc:20:223: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   20 |         if (x0 - x1 == 1 && y0 - y1 == 2 || x0 - x1 == -1 && y0 - y1 == 2 || x0 - x1 == -1 && y0 - y1 == -2 || x0 - x1 == 1 && y0 - y1 == -2 || x0 - x1 == 2 && y0 - y1 == 1 || x0 - x1 == -2 && y0 - y1 == 1 || x0 - x1 == 2 && y0 - y1 == -1 || x0 - x1 == -2 && y0 - y1 == -1)
      |                                                                                                                                                                                                                  ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
foo.cc:20:257: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   20 |         if (x0 - x1 == 1 && y0 - y1 == 2 || x0 - x1 == -1 && y0 - y1 == 2 || x0 - x1 == -1 && y0 - y1 == -2 || x0 - x1 == 1 && y0 - y1 == -2 || x0 - x1 == 2 && y0 - y1 == 1 || x0 - x1 == -2 && y0 - y1 == 1 || x0 - x1 == 2 && y0 - y1 == -1 || x0 - x1 == -2 && y0 - y1 == -1)
      |                                                                                                                                                                                                                                                   ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
   
  
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