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开二维绝对ce,建议开一维#include<iostream>
#include<cstring>
using namespace std;
int w[3501]={0};
int d[3501]={0};
int dp[13000];
int main()
{
int n,m;
cin>>n>>m;
memset(dp,0,sizeof(dp));
for(int i=1;i<=n;i++)
cin>>w[i]>>d[i];
for(int i=1;i<=n;i++)
for(int j=m;j>=0;j--)
if(j-w[i]>=0)
dp[j]=max(dp[j-w[i]]+d[i],dp[j]);
//else dp[i][j]=dp[i-1][j];
cout<<dp[m]<<endl;
return 0;
}
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