Submission #617220

#	Time	Username	Problem	Language	Result	Execution time	Memory
617220		erkam	Lottery (CEOI18_lot)	C++17	0 / 100	74 ms	6760 KiB

lot

#include<bits/stdc++.h>
#define st first
#define nd second
using namespace std;
const int N=200005,mod=1000000007;
int n,m,k,l,x,h[N];
long long dp[N],nxt[N];
vector<int>v[N];
pair<pair<int,bool>,pair<int,int> > arr[N];
int main(){
	// freopen("in.txt","r",stdin);
	// freopen("out.txt","w",stdout);
	cin >> n;
	for(int i=1;i<=n;i++){
		cin >> arr[i].nd.st >> arr[i].st.st >> arr[i].nd.nd;
		arr[i].st.nd=1;
	}
	cin >> m;
	for(int i=1;i<=m;i++){
		cin >> arr[n+i].nd.st >> arr[n+i].st.st >> arr[n+i].nd.nd;
		arr[n+i].st.nd=0;
	}
	sort(arr+1,arr+n+m+1);
	reverse(arr+1,arr+n+m+1);
	long long sum=0;
	for(int i=1;i<N;i++)dp[i]=-1e18;
	for(int i=1;i<=n+m;i++){
		if(arr[i].st.nd==1){
			sum+=arr[i].nd.st;
			for(int j=0;j<=sum;j++){
				nxt[j]=dp[j];
				if(j>=arr[i].nd.st){
					nxt[j]=max(nxt[j],dp[j-arr[i].nd.st]-arr[i].nd.nd);
				}
			}
		}
		else{
			for(int j=sum;j>=0;j--){
				nxt[j]=dp[j];
				if(j+arr[i].nd.st<=sum){
					nxt[j]=max(nxt[j],dp[j+arr[i].nd.st]+arr[i].nd.nd);
				}
			}
		}
		for(int j=0;j<=sum;j++){
			dp[j]=nxt[j];
		}
	}
	long long ans=0;
	for(int i=0;i<=sum;i++){
		ans=max(ans,dp[i]);
	}
	cout << ans << endl;
}

• Subtask 1: 0 / 25
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20