Submission #653332

#	Time	Username	Problem	Language	Result	Execution time	Memory
653332		someone	Team Contest (JOI22_team)	C++14	100 / 100	138 ms	15340 KiB

team

#include <bits/stdc++.h>
#define int long long
using namespace std;

struct Val {
    int val, id;
};

const int N = 2e5 + 42, INF = 1e18 + 42;

bool b[N];
deque<Val> v[3];
int n, val[N][3];

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    
    cin >> n;
    for(int i = 0; i < n; i++)
        for(int j = 0; j < 3; j++) {
            cin >> val[i][j];
            v[j].push_back({val[i][j], i});
        }
    for(int i = 0; i < 3; i++)
        sort(v[i].begin(), v[i].end(),
        [](Val a, Val b) {
            return a.val < b.val;
        });
    while(!v[0].empty() && !v[1].empty() && !v[2].empty()) {
        bool continuer = false;
        for(int i = 0; i < 3; i++)
            for(int j = i+1; j < 3; j++) {
                if(val[v[i].back().id][j] == val[v[j].back().id][j]) {
                    continuer = true;
                    b[v[i].back().id] = true;
                }
                if(val[v[i].back().id][i] == val[v[j].back().id][i]) {
                    continuer = true;
                    b[v[j].back().id] = true;
                }
            }
        if(!continuer)
            break;
        for(int i = 0; i < 3; i++)
            while(!v[i].empty() && b[v[i].back().id])
                v[i].pop_back();
    }
    if(v[0].empty() || v[1].empty() || v[2].empty())
        cout << -1;
    else
        cout << v[0].back().val + v[1].back().val + v[2].back().val;
}

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