算法思路
C++ 代码
#include<iostream>
using namespace std;
const int N = 110;
int n,m;
int v[N][N],w[N][N],s[N];
int f[N];
int main()
{
cin >> n >> m;
for(int i = 1; i <= n; i++)
{
cin >> s[i];
for(int j = 0; j < s[i]; j++)
cin >> v[i][j] >> w[i][j];
}
for(int i = 1; i <= n; i++)
for(int j = m; j >= 0; j--)
for(int k = 0; k < s[i]; k++)
if(v[i][k] <= j)
f[j] = max(f[j], f[j - v[i][k]] + w[i][k]);
cout << f[m] << endl;
return 0;
}