foo.cc: In function 'bool hathes(int, int, int, int)':
foo.cc:17:37: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
         if (y<w[i].z[1]||y>w[i].z[2]&&y<w[i].z[3]||y>w[i].z[4]) return 0;
                          ~~~~~~~~~~~^~~~~~~~~~~~~

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