@[魔方少年](/user/564380) 1.输入的 $n$ 用float类型;
2.输出是以空格隔开而不是换行。
by Dream_Creator @ 2023-01-09 12:51:20
@[艾因斯坦](/user/529722)
```python
n =float(input())
r=3.14159
print("%.4f,%.4f,%.4f" % (2*n,2*n*r,n*n*r))
```
额,你看看是这样吗?为啥变成全WA了?
by Jerryzm @ 2023-01-09 13:01:46
@[魔方少年](/user/564380) 不是空格吗,怎么变成逗号了
by xiaoqian02 @ 2023-01-09 13:08:36
@[艾因斯坦](/user/529722) @[xiaoqian02](/user/232460)
非常感谢!解决了
by Jerryzm @ 2023-01-09 13:13:07