还有数据范围：0≤t_i≤100，那上一段正整数是怎么回事？
by jinhaoxian @ 2019-01-18 10:49:52
+1
by ⚡GG⚡ @ 2019-01-18 11:00:28
是 官方出锅了
by 小粉兔 @ 2019-01-18 11:08:10