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27 lines
704 B
27 lines
704 B
#include <bits/stdc++.h>
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using namespace std;
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const int N = 110;
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int n, m;
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int f[N][N], v[N][N], w[N][N], s[N];
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int main() {
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cin >> n >> m;
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for (int i = 1; i <= n; i++) {
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cin >> s[i]; // 第i个分组中物品个数
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for (int j = 1; j <= s[i]; j++)
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cin >> v[i][j] >> w[i][j]; // 第i个分组中物品的体积和价值
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}
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for (int i = 1; i <= n; i++)
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for (int j = 0; j <= m; j++) {
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for (int k = 0; k <= s[i]; k++)
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if (j >= v[i][k])
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f[i][j] = max(f[i][j], f[i - 1][j - v[i][k]] + w[i][k]); // 枚举每一个PK一下大小
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}
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// 输出打表结果
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printf("%d", f[n][m]);
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return 0;
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}
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