输入问题
```python
a = eval(input())
n = eval(input())
tot = eval(input())
x = eval(input())
```
##
改成
```python
a,n,tot,x=map(int, input().split(' '))
```
by orange166 @ 2020-11-20 13:55:21
@[orange166](/user/370849) A了，十分感谢！！！
by Sniper_lyb @ 2020-11-20 14:48:57