Submission #918280

#	Time	Username	Problem	Language	Result	Execution time	Memory
918280		_VIBE	Team Contest (JOI22_team)	C++17	8 / 100	2084 ms	38736 KiB

team

#include "bits/stdc++.h"
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<int, null_type,less_equal<int>,rb_tree_tag,tree_order_statistics_node_update>
typedef tree<pair<int,int>, null_type,less<pair<int,int>>, rb_tree_tag,tree_order_statistics_node_update>ordered_multiset;

#define int long long
#define endl '\n'

void Excuse_Me(int TC)
{
    
    int n;
    cin>>n;
    
    vector<int> mx(3,0);
    priority_queue<pair<int,pair<int,int>>> pq;
    
    set<pair<int,int>> s[3];
    
    vector<vector<int>> g(n,vector<int>(3));
    
    for(int i=0;i<n;i++){
        for(int j=0;j<3;j++){
            int x;
            cin>>x;
            pq.push({x,{j,i}});
            mx[j]=max(mx[j],x);
            g[i][j]=x;
        }
    }
    
    while(!pq.empty()){
        pair<int,pair<int,int>> p=pq.top();
        pq.pop();
        int i=p.second.second,j=p.second.first;
        
        bool poss=true;
        
        for(int k=0;k<3;k++){
            if(k==j) continue;
            if(g[i][k]==mx[k]) poss=false;
        }
        
        if(poss) s[j].insert({p.first,i});
        
    }
    
    
    int ans=-1;
    
    for(auto it1=s[0].begin();it1!=s[0].end();it1++){
        for(auto it2=s[1].begin();it2!=s[1].end();it2++){
            for(auto it3=s[2].begin();it3!=s[2].end();it3++){
                int i=(*it1).second,j=(*it2).second,k=(*it3).second;
                if(i==j or i==k or j==k) continue;
                if(g[j][0]>=g[i][0] or g[k][0]>=g[i][0]) continue;
                if(g[i][1]>=g[j][1] or g[k][1]>=g[j][1]) continue;
                if(g[i][2]>=g[k][2] or g[j][2]>=g[k][2]) continue;
                ans=max(ans,g[i][0]+g[j][1]+g[k][2]);
            }
        }
    }
    
    cout<<ans;
    
    
   
}
 
signed main()
{
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    freopen("error.txt","w",stderr);
    int Tc=1;
    // cin>>Tc;
 
    for(int tc=1;tc<=Tc;tc++)
    {
        Excuse_Me(tc);
    }
   
    return 0;
}

Compilation message (stderr)

team.cpp: In function 'int main()':
team.cpp:77:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   77 |     freopen("error.txt","w",stderr);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

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