- 龙凤苑中学A班5.24
小玉家的电费
- @ 2024-5-24 17:30:45
#include<bits/stdc++.h>
using namespace std;
double a;
int main() {
cin>>a;
if(a<=150){
printf("%.1lf",a*0.4463);
}
else if(a>=151&&a<=400){
printf("%.1lf",150*0.4463+(a-150)*0.4663);
}
else if(a>=401){
printf("%.1lf",150*0.4463+(400-150)*0.4663+(a-400)*0.5663);
}
return 0;
}
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