Accepted
/in/foo.cc: In function 'void check_left()':
/in/foo.cc:23:20: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
int temp=list[n<<1-1].dest;
~^~
/in/foo.cc: In function 'void check_left()':
/in/foo.cc:23:20: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
int temp=list[n<<1-1].dest;
~^~
