Submission #368267

#	Time	Username	Problem	Language	Result	Execution time	Memory
368267		Vimmer	Tenis (COCI20_tenis)	C++14	55 / 110	89 ms	4844 KiB

tenis

#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

//#pragma GCC optimize("-O3")
//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("Ofast")

#define N 100501
#define NN 1000500
#define PB push_back
#define M ll(1e9 + 7)
#define all(x) x.begin(), x.end()
#define sz(x) int(x.size())
#define _ << " " <<
#define pri(x) cout << x << endl
#define endl '\n'
#define F first
#define S second

//using namespace __gnu_pbds;
using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef short int si;
typedef long double ld;

//typedef tree <int, null_type, less <int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;

int pos[3][N], ans[N], kol[3], skok[4][3], X, Y;

bool cmpr(int l, int r)
{
    int L, R;

    if (pos[l][X] > pos[l][Y])
        L = pos[l][X];
            else L = pos[l][Y];

    if (pos[r][X] > pos[r][Y])
        R = pos[r][X];
            else R = pos[r][Y];

    if (L == R) return l < r;

    return L < R;
}

int get(int x)
{
    return min(pos[0][x], min(pos[1][x], pos[2][x]));
}
bool cmp(int l, int r)
{
    return get(l) <= get(r);
}

int opr(int x)
{
    if (pos[0][x] <= pos[1][x] && pos[0][x] <= pos[2][x]) return 0;

    if (pos[1][x] <= pos[2][x] && pos[1][x] <= pos[0][x]) return 1;

    return 2;
}

int sk(int x, int mn)
{
    int kl = 0;

    for (int t = 0; t < 3; t++)
        if (pos[t][x] == mn) kl++;

    return kl;
}

void calc(int i, int j)
{
    X = i;
        Y = j;

        multiset <int> se; se.clear();

        for (int t = 0; t < 3; t++)
        {
            if (pos[t][i] > pos[t][j])
                se.insert(pos[t][j]);
                    else se.insert(pos[t][i]);
        }

        vector <int> who; who.clear();

        int x = *se.begin();

        for (int t = 0; t < 3; t++)
        {
            if (pos[t][i] == x && pos[t][i] < pos[t][j])
            {
                who.PB(t);
            }

            if (pos[t][j] == x && pos[t][j] < pos[t][i])
            {
                who.PB(t);
            }
        }

        sort(all(who), cmpr);

        int t = who[0];

        kol[t]++;

        if (pos[t][i] > pos[t][j])
            ans[j]++;
                else ans[i]++;
}

int main()
{
    ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0);

//    freopen("1.in", "r", stdin);
//
//    freopen("pixels.in", "r", stdin);
//    freopen("pixels.out", "w", stdout);

    int n;

    cin >> n;

    for (int i = 0; i < 3; i++)
        for (int j = 0; j < n; j++)
        {
            int x;

            cin >> x;

            x--;

            pos[i][x] = j;
        }

    vector <int> vr; vr.clear();

    for (int i = 0; i < n; i++)
        vr.PB(i);

    sort(all(vr), cmp);

    for (int i = 0; i < sz(vr); i++)
    {
        int u = i;

        while (u < sz(vr) && get(vr[i]) == get(vr[u]))
            u++;

        int l = i, r = u;

        if (l + 1 == r)
        {
            ans[vr[l]] += n - r;
        }
        else if (l + 2 == r)
        {
            ans[vr[l]] = ans[vr[l + 1]] = n - r;

            calc(vr[l], vr[l + 1]);

            int lt = opr(l), rt = opr(r);

            if (sk(l, pos[lt][l]) == 1)
            {
                kol[lt] += n - r;
            }
            else
            {
                kol[rt] += n - r;
            }
        }
        else
        {
            ans[vr[l]] = ans[vr[l + 2]] = ans[vr[l + 1]] = n - r;

            kol[opr(vr[l])] += n - r;
            kol[opr(vr[l + 1])] += n - r;
            kol[opr(vr[l + 2])] += n - r;

            calc(vr[l], vr[l + 1]);

            calc(vr[l], vr[l + 2]);

            calc(vr[l + 1], vr[l + 2]);
        }

        i = u - 1;
    }

    for (int i = n - 1; i >= 0; i--)
    {
        int u = i;

        while (u >= 0 && get(vr[u]) == get(vr[i]))
        {
            int psr = vr[u];

            int xr = opr(psr);

            if (sk(psr, xr) == 3)
            {
                for (int t = 0; t < 3; t++)
                    kol[t] += skok[3][t];
            }
            else if (sk(psr, xr) == 2)
            {
                int ps = psr;

                int val = 0;

                if (pos[0][ps] == xr && pos[2][ps] == xr)
                    val = 1;
                        else if (pos[1][ps] == xr && pos[2][ps] == xr)
                            val = 2;

                for (int t = 0; t < 3; t++)
                    kol[t] += skok[val][t];
            }

            u--;
        }

        for (int t = i; t > u; t--)
        {
            int ps = vr[t];

            int x = opr(vr[t]);

            skok[3][x]++;

            if (pos[0][ps] <= pos[1][ps])
                skok[0][0]++;
                    else skok[0][1]++;

            if (pos[0][ps] <= pos[2][ps])
                skok[1][0]++;
                    else skok[1][2]++;

            if (pos[1][ps] <= pos[2][ps])
                skok[2][1]++;
                    else skok[2][2]++;
        }
        i = u + 1;
    }

    for (int i = 0; i < 3; i++) cout << kol[i] << " ";

    cout << endl;

    for (int i = 0; i < n; i++) cout << ans[i] << " ";
}

• Subtask 1: 17.5 / 35
• Subtask 2: 7.5 / 15
• Subtask 3: 30 / 60