set
by Lolierl @ 2017-11-25 19:39:47
map
by newbie314159 @ 2017-11-25 19:58:44
hash
by Kirisame_Marisa_ @ 2017-11-25 20:15:39
。。
by classic @ 2017-11-25 20:35:12
# STL大法好
by ViXbob @ 2017-11-25 21:05:16
# （逃（ε=ε=ε=┏(゜ロ゜;)┛
by ViXbob @ 2017-11-25 21:05:37
换个模数
by Foehn_Commander_ @ 2017-11-26 03:14:10
@[classic](/space/show?uid=52151)
```
sort(e+1,e+n+1);
printf("%d\n",unique(e+1,e+n+1)-e-1);
```
by da32s1da @ 2018-04-10 20:36:10