Submission #1264260

#	Time	Username	Problem	Language	Result	Execution time	Memory
1264260		tvgk	Team Contest (JOI22_team)	C++20	0 / 100	0 ms	328 KiB

team

#include<bits/stdc++.h>
using namespace std;
#define task "a"
#define se second
#define fi first
#define ll long long
#define ii pair<ll, ll>
const long mxN = 2e5 + 7;

ii a[mxN], b[mxN], c[mxN];
int ctr[4], vt[mxN][2], n;
bool dd[mxN][2];

bool cmp(ii u, ii v)
{
    return u.fi > v.fi || (u.fi == v.fi && vt[u.se][0] < vt[v.se][0]);
}

bool cmpp(ii u, ii v)
{
    return u.fi > v.fi || (u.fi == v.fi && c[u.se].fi > c[v.se].fi);
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    //freopen(task".INP", "r", stdin);
    //freopen(task".OUT", "w", stdout);

    cin >> n;
    for (int i = 1; i <= n; i++)
    {
        cin >> a[i].fi >> b[i].fi >> c[i].fi;
        a[i].se = b[i].se = c[i].se = i;
    }
    sort(a + 1, a + n + 1, greater<ii>());

    sort(b + 1, b + n + 1, cmpp);
    for (int i = 1; i <= n; i++)
        vt[b[i].se][0] = i;

    sort(c + 1, c + n + 1, cmp);
    for (int i = 1; i <= n; i++)
        vt[c[i].se][1] = i;

    ctr[2] = ctr[0] = ctr[1] = 1;
    for (int i = 1; i <= n; i++)
    {
        while (a[ctr[2]].fi == a[i].fi)
        {
            int id = a[ctr[2]].se;
            dd[vt[id][0]][0] = dd[vt[id][1]][1] = 1;
            ctr[2]++;
        }

        while (1)
        {
            for (int id = 0; id <= 1; id++)
            {
                while (dd[ctr[id]][id])
                    ctr[id]++;

                if (ctr[id] > n)
                {
                    cout << -1;
                    return 0;
                }
            }

            if (b[ctr[0]].se != c[ctr[1]].se)
                break;
            dd[ctr[0]][0] = dd[ctr[1]][1] = 1;
        }

        if (b[ctr[0]].fi > b[a[i].se].fi && c[ctr[1]].fi > c[a[i].se].fi)
        {
            cout << a[i].fi + b[ctr[0]].fi + c[ctr[1]].fi;
            return 0;
        }
    }
}

• 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