Submission #938442

#	Time	Username	Problem	Language	Result	Execution time	Memory
938442		Regulus	Team Contest (JOI22_team)	C++17	100 / 100	109 ms	19908 KiB

team

#define TEST
#include <bits/stdc++.h>
#define IO ios::sync_with_stdio(false);cin.tie(0);
#ifdef TEST
    #define debug(x) cerr << #x << " = " << (x) << ' '
    #define bug(x) cerr << (x) << ' '
    #define endl cerr << '\n'
#else
    #define debug(x) cout << ""
    #define bug(x) cout << ""
    #define endl cout << ""
#endif
#define all(v) (v).begin(), (v).end()
#define SZ(v) (ll)(v).size()
#define lowbit(x) (x)&-(x)
#define pb emplace_back
#define F first
#define S second
using namespace std;
using ll = long long;
using pll = pair<ll, ll>;

const int N = 2e5+5;
int x[N], y[N], z[N];
bool del[N];
priority_queue<pll> pq, pq2, pq3;

int main(void)
{ IO
    int n, i;

    cin >> n;
    for (i=1; i <= n; ++i)
    {
        cin >> x[i] >> y[i] >> z[i];
        pq.push({x[i], i});
        pq2.push({y[i], i});
        pq3.push({z[i], i});
    }

    while (!pq.empty() && !pq2.empty() && !pq3.empty())
    {
        while (!pq.empty() && del[pq.top().S]) pq.pop();
        while (!pq2.empty() && del[pq2.top().S]) pq2.pop();
        while (!pq3.empty() && del[pq3.top().S]) pq3.pop();
        if (pq.empty() || pq2.empty() || pq3.empty()) break;

        int a = pq.top().S, b = pq2.top().S, c = pq3.top().S;
        if (y[a] == y[b] || z[a] == z[c]) del[a] = 1;
        if (x[b] == x[a] || z[b] == z[c]) del[b] = 1;
        if (x[c] == x[a] || y[c] == y[b]) del[c] = 1;

        if (!del[a] && !del[b] && !del[c])
        {
            cout << x[a] + y[b] + z[c] << '\n';
            exit(0);
        }
    }

    cout << "-1\n";

    return 0;
}

• 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