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history_source/信息学奥赛一本通/2.9.2.3.cpp

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+#include<cstdio>
+int n,m,k,ans,cost,hurt,**dp;
+int main()
+{
+	scanf("%d%d%d",&n,&m,&k);
+	dp=new int*[n+1];
+	for(int i=0;i<=n;i++) dp[i]=new int[m+1];
+	for(int i=0;i<=n;i++)
+		for(int j=0;j<=m;j++) dp[i][j]=0;
+	for(int i=1;i<=k;i++)
+	{
+		cost=0,hurt=0;
+		scanf("%d%d",&cost,&hurt);
+		for(int a=n;a>=cost;a--)
+			for(int b=m;b>=hurt;b--)
+				if(dp[a-cost][b-hurt]+1>dp[a][b]) dp[a][b]=dp[a-cost][b-hurt]+1;
+	}
+	for(int i=0;i<=m;i++)
+		if(dp[n][i]==dp[n][m])
+		{
+			ans=m-i;
+			break;
+		}
+	printf("%d %d\n",dp[n][m],ans);
+	return 0;
+}