`*s.begin()`
by YamadaRyou @ 2021-06-18 21:33:20
@[WA王子](/user/203008) 能具体说怎么用吗
by joy2010WonderMaker @ 2021-06-18 21:40:11
@[joy2010WonderMaker](/user/222057) `cout << *(s.begin)`
by 滑蒻稽 @ 2021-06-18 21:42:53
@[滑蒻稽](/user/113181) 不是，是要将它加进一个变量里（指让变量赋值为首项）
by joy2010WonderMaker @ 2021-06-18 21:44:41
@[joy2010WonderMaker](/user/222057) `int a = *s.begin()`
by 滑蒻稽 @ 2021-06-19 19:15:46