em......应该是可以用栈和递归吧......
~~(虽然我也这么觉得QAQ)~~
by x00x @ 2024-03-21 17:18:02
@[x00x](/user/1033972)
```cpp
void f(){
int n;
cin>>n;
if(n==0)return;
f();
cout<<n<<" ";
}
```
这不递归吗?
~~哈哈~~
by drachess @ 2024-03-24 08:43:06
好像有道理
by x00x @ 2024-03-25 12:35:47
@[QwQ_77](/user/1055521)
显然用栈过这题很简单。\
事实上这题就是栈的模板。只是太简单了,用不用栈都可以做。
by CC__DIAMOND @ 2024-03-25 13:56:06
可以看看这一条[提交](https://www.luogu.com.cn/record/152615549)
by CC__DIAMOND @ 2024-03-25 13:57:19
@[CC__DIAMOND](/user/636977) 好的qwq
by QwQ_77 @ 2024-03-26 21:10:35