题目说库存量和售价是正数也就说可能是小数,真奇怪,难道卖半块月饼??
#include <bits/stdc++.h>
using namespace std;
typedef struct
{
double cnt;
double sum;
double ave;
} Node;
const int N = 1010;
Node node[N];
bool cmp(Node a, Node b){
return a.ave > b.ave;
}
int