Accepted
/in/foo.cc: In function 'void solve()':
/in/foo.cc:29:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
long long mid=l+r>>1;
~^~
/in/foo.cc: In function 'void solve()':
/in/foo.cc:29:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
long long mid=l+r>>1;
~^~
