精度有问题
by zitong_cherry @ 2023-10-17 12:41:41
```cpp
#include <stdio.h>
int main(){
int n;
scanf("%d",&n);
double sum=0;
if(n<=150){
sum+=n*0.4463;
}
else if(n>150&&n<=400){
sum+=66.945;
n-=150;
sum+=n*0.4663;
}
else{
sum+=183.52;
n-=400;
sum+=n*0.5663;
}
printf("%.1lf",sum);
return 0;
}
```
by zitong_cherry @ 2023-10-17 12:43:07
如果你觉得对你有帮助请关注@rnfmabj5114谢谢喵
by zitong_cherry @ 2023-10-17 12:44:28
<https://www.luogu.com.cn/user/917683>
by zitong_cherry @ 2023-10-17 12:44:54