Seg_Tree @ 2019-12-02 19:01:51
rt
if(ans)cout<<ans;
else puts("AFO");
by llzzxx712 @ 2019-12-02 19:03:46
巨啊
by jyz666 @ 2019-12-02 19:04:31
by jyz666 @ 2019-12-02 19:04:46
by Andrew82 @ 2019-12-02 19:05:56
if(ans)cout<<ans;
else puts("AFO,too\n");