@[2021zjhs005](/user/1121995) 大哥哈哈哈哈哈哈你读的是 n 下面写的是 k
by xiaozengX @ 2024-01-02 22:09:56
@[2021zjhs005](/user/1121995)
```cpp
cin>>n;
if(n<=3){
```
这俩 n 改成 k 就过了 √
by xiaozengX @ 2024-01-02 22:11:06
@[xiaozengX](/user/321529)
哦~，原来是这样，谢谢大佬。
话说你那个勾勾的 $LaTeX$ 是什么？
by 2021zjhs005 @ 2024-01-03 20:29:59
$$\sqrt a$$
\sqrt a
by xiaozengX @ 2024-01-03 21:56:08
@[2021zjhs005](/user/1121995) 其实那个不是LaTeX
是个特殊字符，输入法自带的
√ ✓
by xiaozengX @ 2024-01-03 21:57:32