__D_A_T__ @ 2024-01-25 13:10:14
注意你的操作4的输出是不是把 printf("%lld\n",query(1,dfn[x],dfn[x]+siz[x]-1)%p);打成了printf("%lld\n",query(1,dfn[x]+siz[x]-1,dfn[x])%p);，本蒟蒻调了两天半才调出来(
printf("%lld\n",query(1,dfn[x],dfn[x]+siz[x]-1)%p);
printf("%lld\n",query(1,dfn[x]+siz[x]-1,dfn[x])%p);
by Autumn_Rain @ 2024-06-12 13:41:50
thx