标签:mes sum bool namespace code struct algorithm str main
#include<cstdio>
#include<algorithm>
#include<iostream>
using namespace std;
struct P{
double need;//库存
double value;//总价
double s_mon;//单价
};
bool cmp(P a, P b){
return a.s_mon > b.s_mon;
}
int main(){
int N;
double D;
double sum_mon = 0;
cin >> N >> D;
P product[N];
for(int i = 0; i < N; i++){
scanf("%lf", &product[i].need);
}
for(int i = 0; i < N; i++){
scanf("%lf", &product[i].value);
product[i].s_mon = product[i].value/product[i].need;
}
sort(product, product+N, cmp);
for(int i = 0; i < N; i++){
if(product[i].need <= D){
sum_mon = sum_mon + product[i].value;
D = D - product[i].need;
}else if(product[i].need > D){
sum_mon = D * product[i].s_mon + sum_mon;
break;
}
}
printf("%.2lf", sum_mon);
return 0;
}
标签:mes sum bool namespace code struct algorithm str main
原文地址:https://www.cnblogs.com/tsruixi/p/11824911.html