Files
OI-source/1.1422.cpp
2023-08-03 09:22:52 +08:00

14 lines
261 B
C++

#include<cstdio>
int main()
{
double n;
scanf("%lf",&n);
double res;
if(n<=150) res=n*0.4463;
else if(n<=400) res=150*0.4463+(n-150)*0.4663;
else res=150*0.4463+250*0.4663+(n-400)*0.5663;
printf("%.1lf\n",res);
return 0;
}
//267