Accepted
/in/foo.cc: In function 'void splay(int, int&)':
/in/foo.cc:43:14: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
if(c[y][0]==x^c[z][0]==y)rotate(x,k);
~~~~~~~^~~
/in/foo.cc: In function 'void splay(int, int&)':
/in/foo.cc:43:14: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
if(c[y][0]==x^c[z][0]==y)rotate(x,k);
~~~~~~~^~~
