P2871 [USACO07DEC]Charm Bracelet S 题解

P2871 [USACO07DEC]Charm Bracelet S

#include<iostream>
using namespace std;
long long dp[12881];
int D[3500],W[3500];
int main()
{
	int N,M;
	cin>>N>>M;
	for (int i=1;i<=N;i++)
	{
		cin>>W[i]>>D[i];
	}
	for (int i=1;i<=N;i++)
	{
		for (int j=M;j>=W[i];j--)
		{
			dp[j]=max(dp[j],dp[j-W[i]]+D[i]);
		}
	}
	cout<<dp[M]<<endl;
 }