/in/foo.cc: In function 'int main()':
/in/foo.cc:52:23: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   52 |         if(white>=need&&toall[i].col==0||black>=n-1-need&&toall[i].col==1)      continue;
      |            ~~~~~~~~~~~^~~~~~~~~~~~~~~~~