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TangDou/KaoShi/多重背包.cpp
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28
TangDou/KaoShi/多重背包.cpp
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#include <bits/stdc++.h>
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using namespace std;
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//多重背包问题,每件物品的数量是有限制的,不是无穷,也不是只有1个。
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// 状态表示 集合,属性
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// 状态计算
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const int N = 110;
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int n, m;
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int v[N], w[N], s[N];
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int f[N];
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int main() {
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//优化输入
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ios::sync_with_stdio(false);
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cin >> n >> m;
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for (int i = 1; i <= n; i++) cin >> v[i] >> w[i] >> s[i];
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for (int i = 1; i <= n; i++)
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for (int j = m; j >= 0; j--)
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for (int k = 0; k <= s[i] && k * v[i] <= j; k++) //穷举所有可能性,尝试拿到最大的合理值
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f[j] = max(f[j], f[j - v[i] * k] + w[i] * k);
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cout << f[m] << endl;
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return 0;
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}
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