#include#include using namespace std; struct Goods{int weight;int value;double per;//单位重量的价值double load;//装多少权重 }; //定义sort函数比较器 int compare(Goods const&a,Goods const&b){if(a.per>b.per)return 1;elsereturn 0; } //贪心算法 void Greedy(Goods g[],int good_number,int content){for(int i=0;i 0){g[i].load=(double)content/g[i].weight;cout< >n;cout<<"请输入背包大小"< >bag;Goods gs[n+1];cout<<"请依次输入每种货物的重量和价值"< >gs[i].weight;