@[slowspeed](/user/735141) 调出来了,但你先告诉我下面是什么
by __pig__ @ 2023-12-24 13:31:09
@[__pig__](/user/721959) 哪里错了,我也没看出来
by lch66 @ 2023-12-25 18:47:44
@[lch66](/user/907675) 但你先告诉我下面是什么
by __pig__ @ 2023-12-25 20:50:21
@[__pig__](/user/721959) 就是下面长个几厘米啊(●ˇ∀ˇ●)
by slowspeed @ 2023-12-30 09:16:05
@[slowspeed](/user/735141) What's “下面”
by __pig__ @ 2023-12-30 22:58:33
@[__pig__](/user/721959) 神牜你先告诉我怎么改呗球球你啦/(ㄒoㄒ)/~~
by slowspeed @ 2023-12-31 10:33:15
@[slowspeed](/user/735141) 你先告诉我下面到底是什么???
by __pig__ @ 2023-12-31 15:17:27
@[slowspeed](/user/735141)
```cpp
if(pa!=pb){
p[pa]=p[pb];
jq[b]+=jq[a];
jz[b]+=jz[a];
}
```
改为
```
if(pa!=pb){
p[pa]=p[pb];
jq[pb]+=jq[pa];
jz[pb]+=jz[pa];
}
```
$❤我❤要❤变❤长❤10❤cm❤$
by __pig__ @ 2024-01-01 13:41:59
1、按秩合并,可以提高效率,用** 按秩合并** 。
2、挑一遍背包,不用的过滤掉,留下要用的合并包,再0-1背包。可以降低复杂度吧。
by youyukyc @ 2024-01-16 16:03:52