Submission #561016

#	Time	Username	Problem	Language	Result	Execution time	Memory
561016		two_sides	Team Contest (JOI22_team)	C++17	0 / 100	1 ms	340 KiB

team

#include <bits/stdc++.h>

using namespace std;

#define f first
#define s second

const int N = 150005;

pair<int, int> x[3][N];
int p[3], v[N];

int main() {
    cin.tie(0)->sync_with_stdio(0);
    int n; cin >> n;
    for (int i = 0; i < n; i++)
        for (int j = 0; j < 3; j++) {
            cin >> x[j][i].f;
            x[j][i].s = i;
        }
    for (int j = 0; j < 3; j++)
        sort(x[j], x[j] + n);
    p[0] = p[1] = p[2] = n - 1;
    while (true) {
        for (int j = 0; j < 3; j++)
            while (v[x[j][p[j]].s])
                p[j]--;
        int q = -1;
        for (int j = 0; j < 3; j++)
            for (int k = 0; k < 3; k++)
                if (j != k && x[k][p[k]].f
                == x[k][x[j][p[j]].s].f)
                    q = x[j][p[j]].s;
        if (q < 0) {
            cout << x[0][p[0]].f +
            x[1][p[1]].f + x[2][p[2]].f;
            return 0;
        }
        v[q] = 1;
    }
    cout << -1;
}

• 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