#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
struct Item {
string name;
int value;
int weight;
Item(string n, int v, int w) : name(n), value(v), weight(w) {}
};
int knapsack(const vector<Item>& items, int capacity, vector<string>& selectedItems) {
int n = items.size();
vector<vector<int> > dp(n + 1, vector<int>(capacity + 1, 0));
for (int i = 1; i <= n; ++i) {
for (int j = 0; j <= capacity; ++j) {
if (items[i - 1].weight <= j) {
dp[i][j] = max(dp[i - 1][j], dp[i - 1][j - items[i - 1].weight] + items[i - 1].value);
} else {
dp[i][j] = dp[i - 1][j];
}
}
}
int i = n;
int j = capacity;
while (i > 0 && j > 0) {
if (dp[i][j] != dp[i - 1][j]) {
selectedItems.push_back(items[i - 1].name);
j -= items[i - 1].weight;
i--;
} else {
i--;
}
}
reverse(selectedItems.begin(), selectedItems.end());
return dp[n][capacity];
}
int main() {
vector<Item> items;
items.push_back(Item("吉他", 1500, 1));
items.push_back(Item("笔记本电脑", 2000, 3));
items.push_back(Item("音响", 3000, 4));
items.push_back(Item("iPhone", 2000, 1));
int capacity = 4;
vector<string> selectedItems;
int maxTotalValue = knapsack(items, capacity, selectedItems);
cout << "偷了如下物品:" << endl;
for (int i = 0; i < selectedItems.size(); ++i) {
cout << selectedItems[i] << endl;
}
cout << "总价值" << maxTotalValue << endl;
return 0;
}