oj.uz

Submission #892171

# Submission time Handle Problem Language Result Execution time Memory
892171 2023-12-25T03:09:23 Z vjudge1 Team Contest (JOI22_team) C++17
0 / 100
 1 ms 348 KB 
#include <bits/stdc++.h>
#define int long long
#define all(x) x.begin(),x.end()
#define ff first
#define ss second
#define pb push_back
using namespace std;
signed main(){
    int n;
    cin>>n;
    vector <vector <int> > a;
    int mxx=0,mxy=0,mxz=0;
    map <vector <int> ,int> mp;
    for(int i=0;i<n;i++){
        int x,y,z;
        cin>>x>>y>>z;
        a.pb({x,y,z});
        mxx=max(mxx,x);
        mxy=max(mxy,y);
        mxz=max(mxz,z);
        mp[{x,y,z}]++;
    }
    
    
    if(n<=300){
        int res=0;
        for(int i=0;i<n;i++){
            for(int j=i+1;j<n;j++){
                for(int k=j+1;k<n;k++){
                    bool flag=true;
                    int ans=0;
                    set <int> st;
                    for(int t=0;t<3;t++){
                        int mx=0,cnt=0,x=-1;
                        mx=max(a[i][t],mx);
                        mx=max(a[j][t],mx);
                        mx=max(a[k][t],mx);
                        if(mx==a[i][t]){
                            cnt++;x=i;
                        }
                        if(mx==a[j][t]){
                            cnt++;x=j;
                        }
                        if(mx==a[k][t]){
                            cnt++;x=k;
                        }
                        if(cnt==1){
                            ans+=mx;
                            st.insert(x);
                        }
                        else flag=false;
                    }
                    if(flag && st.size()==3)res=max(res,ans);
                }
            }
        }
        if(res==0)res=-1;
        cout<<res<<"\n";
    }
    
    int mx=-1;
    for(int i=1;i<=mxx;i++){
        for(int j=1;j<=mxy;j++){
            for(int k=1;k<=mxz;k++){
                bool ok1=0,ok2=0,ok3=0;
                for(auto x : mp){
                    vector <int> v=x.ff;
                    if(v[0]==i && v[1]<j && v[2]<k)ok1=1;
                    if(v[0]<i && v[1]==j && v[2]<k)ok2=1;
                    if(v[0]<i && v[1]<j && v[2]==k)ok3=1;
                }
                if(ok1 && ok2 && ok3)mx=max(mx,i+j+k);
            }
        }
    }
    cout<<mx<<"\n";
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 29.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -