31 lines
785 B
C++
31 lines
785 B
C++
#include <iostream>
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#include <cstdio>
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#include <cstring>
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using namespace std;
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const int Ni = 55;
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const int Mi = 100005;
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int dp[Ni][Mi];
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int main()
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{
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int n,m,tv,i,j,k,pi,c,w;
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memset(dp[0],0,sizeof(dp[0]));
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while(~scanf("%d%d",&n,&tv))
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{
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for(i=1;i<=n;i++)
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{
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scanf("%d%d",&pi,&m);
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for(j=0;j<pi;j++) dp[i][j]=-1;
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for(j=tv;j>=pi;j--) dp[i][j]=dp[i-1][j-pi];
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for(k=0;k<m;k++)
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{
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scanf("%d%d",&c,&w);
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for(j=tv;j>=c;j--) if(dp[i][j-c]!=-1)
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dp[i][j]=max(dp[i][j],dp[i][j-c]+w);
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}
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for(j=tv;j>=0;j--) dp[i][j]=max(dp[i][j],dp[i-1][j]);
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}
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printf("%d\n",dp[n][tv]);
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}
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return 0;
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}
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