Submission #1244171

#	Time	Username	Problem	Language	Result	Execution time	Memory
1244171		m5588ohammed	Team Contest (JOI22_team)	C++20	27 / 100	122 ms	10440 KiB

team

#include <bits/stdc++.h>
#define endl "\n"
#define mod 1000000007
using namespace std;
#define int long long
const int N=(1<<19);
int Tree[N*2+5],valY[301],ansY[301],valZ[301];
int n,inf=3e10;
array <int,3> arr[150001];
int calc(){
    for(int i=0;i<=300;i++){
        ansY[i]=valY[i]=-inf;
        valZ[i]=inf;
    }
    vector <array<int,2>> v[301];
    for(int i=1;i<=n;i++){
        v[arr[i][0]].push_back({arr[i][1],arr[i][2]});
    }
    int mx=-1;
    for(int x=0;x<=300;x++){
        for(auto [Yc,Zc]:v[x]){
            for(int Y=Yc+1;Y<=300;Y++){
                if(ansY[Y]>Zc&&ansY[Y]>valZ[Y]) mx=max(mx,ansY[Y]+Y+x);
            } 
        }
        for(auto [Yc,Zc]:v[x]){
            valY[Yc]=max(valY[Yc],Zc);
            valZ[Yc]=min(valZ[Yc],Zc);
            for(int Y=Yc+1;Y<=300;Y++){
                ansY[Y]=max(ansY[Y],valY[Yc]);
            }
        }
    }
    return mx;
}
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>arr[i][0]>>arr[i][1]>>arr[i][2];
    }
    int ans1=calc();
    for(int i=1;i<=n;i++) swap(arr[i][1],arr[i][2]);
    cout<<max(ans1,calc());
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 29
• Subtask 3: 9 / 9
• Subtask 4: 9 / 9
• Subtask 5: 9 / 9
• Subtask 6: 0 / 9
• Subtask 7: 0 / 27