Submission #917790

#	Time	Username	Problem	Language	Result	Execution time	Memory
917790		_VIBE	Team Contest (JOI22_team)	C++17	0 / 100	155 ms	36632 KiB

team

#include "bits/stdc++.h"
using namespace std;

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

void Excuse_Me(int TC)
{
   int n;
   cin>>n;
   
   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;
            s[j].insert({x,i});
            g[i][j]=x;
        }
   }
   
   bool ok=true;
   
   while(ok){
        
        ok=false;
        
        for(int i=0;i<3;i++){
            
            if(s[i].empty() or ok) break;
            
            pair<int,int> p=*s[i].rbegin();
            
            for(int j=0;j<3;j++){
                if(i==j) continue;
                if(s[j].empty()) continue;
                pair<int,int> q=*s[j].rbegin();
                if(g[p.second][j]==q.first){
                    ok=true;
                    s[j].erase(s[j].find(q));
                }
            }
            
            if(ok) s[i].erase(s[i].find(p));
            
        }
        
        
        
   }
   
   
   bool poss=true;
   int ans=0;
   
   for(int i=0;i<3;i++){
        if(s[i].empty()) poss=false;
        else ans+=(*s[i].rbegin()).first;
   }
   
   if(!poss) cout<<-1;
   else 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:73:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   73 |     freopen("error.txt","w",stderr);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 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