@[lxtjsw](/user/306808) if的条件，你再看看
```cpp
if(a[i]<a[i-1])
s++;
```
by zhenghwen @ 2020-02-07 12:40:36
@[zhenghwen](/user/89882) 哈哈哈，没注意到，感谢感谢啊
by lxtjsw @ 2020-02-07 13:05:17