for(int i=1;i<=n;i++) fa[i] = i;
???
by _ConveX @ 2018-06-25 15:47:33
怎么了？？？
by Taduro @ 2018-08-30 12:46:35
我也是WA 1 AC2-10
by Happy_Dream @ 2019-08-07 20:14:19