Submission #44173

#	Time	Username	Problem	Language	Result	Execution time	Memory
44173		ShadowLight	Zagonetka (COI18_zagonetka)	C++14	0 / 100	77 ms	500 KiB

zagonetka

#include <bits/stdc++.h>
#define ll long long

#define TASKNAME ""

using namespace std;

const int INF = 1e9 + 7;
const int MAXN = 1e6 + 7;
const double EPS = 1e-8;

vector <vector <int> > gr;
vector <vector <int> > rev_gr;

int n;
vector <int> p;
vector <int> pos;

void query(vector <int> a) {
    cout << "query ";
    for (int x : a) {
        cout << x + 1 << " ";
    }
    cout << endl;
}

vector <bool> used;

void dfs(int v) {
    if (used[v]) return;
    used[v] = 1;
    for (int u : rev_gr[v]) {
        dfs(u);
    }
}

vector <int> lvls;
vector <bool> used1;

int main() {
    #ifdef MY
        //freopen("input.txt", "r", stdin);
        //freopen("output.txt", "w", stdout);
    #else
        //freopen(TASKNAME".in", "r", stdin);
        //freopen(TASKNAME".out", "w", stdout);
    #endif // MY
    cin >> n;
    p.resize(n);
    pos.resize(n, 0);
    for (int i = 0; i < n; i++) {
        cin >> p[i];
        p[i]--;
        pos[p[i]] = i;
    }
    gr.resize(n);
    rev_gr.resize(n);
    int iter = 0;
    for (int i = n - 1; i >= 0; i--) {
        used.assign(n, 0);
        for (int j = i + 1; j < n; j++) {
            if (used[j]) {
                gr[j].push_back(i);
                rev_gr[i].push_back(j);
                iter++;
                continue;
            }
            auto q = p;
            int v = j;
            while (gr[v].size()) {
                int u = gr[v][0];
                swap(q[pos[v]], q[pos[u]]);
                v = u;
            }
            swap(q[pos[v]], q[pos[i]]);
            v = i;
            while (rev_gr[v].size()) {
                int u = rev_gr[v][0];
                if (u > j) break;
                swap(q[pos[v]], q[pos[u]]);
                v = u;
            }
            query(q);
            int ans;
            cin >> ans;
            if (!ans) {
                gr[j].push_back(i);
                rev_gr[i].push_back(j);
                dfs(j);
                iter++;
            }
        }
    }
    vector <int> resa(n, -1), resb(n, -1);
    multiset <int> q;
    vector <int> cnt(n, 0);
    for (int i = 0; i < n; i++) {
        cnt[i] = (int) gr[i].size();
        if (!cnt[i]) {
            q.insert(pos[i]);
        }
    }
    int now = 0;
    while (!q.empty()) {
        int v = *q.begin();
        q.erase(v);
        resa[v] = now++;
        for (int u : rev_gr[p[v]]) {
            cnt[u]--;
            if (!cnt[u]) {
                q.insert(pos[u]);
            }
        }
    }
    q.clear();
    for (int i = 0; i < n; i++) {
        cnt[i] = (int) rev_gr[i].size();
        if (!cnt[i]) {
            q.insert(pos[i]);
        }
    }
    now = n - 1;
    while (!q.empty()) {
        int v = *q.begin();
        q.erase(v);
        resb[v] = now--;
        for (int u : gr[p[v]]) {
            cnt[u]--;
            if (!cnt[u]) {
                q.insert(pos[u]);
            }
        }
    }
    cout << "end" << endl;
    for (int x : resa) {
        assert(x != -1);
        cout << x + 1 << " ";
    }
    cout << endl;
    for (int x : resb) {
        assert(x != -1);
        cout << x + 1 << " ";
    }
    cout << endl;
    return 0;
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 18
• Subtask 3: 0 / 22
• Subtask 4: 0 / 51