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Submission #44216

# Submission time Handle Problem Language Result Execution time Memory
44216 2018-03-30T14:39:04 Z ShadowLight Zagonetka (COI18_zagonetka) C++14
78 / 100
 117 ms 588 KB 
#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;

vector <int> resa, resb;

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

int last = 0;

void dfs1(int v) {
    if (resa[v] != -INF) return;
    vector <int> a;
    for (int u : gr[p[v]]) {
        a.push_back(pos[u]);
    }
    sort(a.begin(), a.end());
    for (int x : a) {
        dfs1(x);
    }
    resa[v] = last++;
}

void dfs2(int v) {
    if (resb[v] != -INF) return;
    vector <int> a;
    for (int u : rev_gr[p[v]]) {
        a.push_back(pos[u]);
    }
    sort(a.begin(), a.end());
    for (int x : a) {
        dfs2(x);
    }
    resb[v] = last--;
}

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.clear();
        used.resize(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];
                for (int x : gr[v]) {
                    x = max(x, u);
                }
                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];
                for (int x : rev_gr[v]) {
                    u = min(u, x);
                }
                if (q[pos[u]] > j) break;
                swap(q[pos[v]], q[pos[u]]);
                v = u;
                assert(!gr[v].size() || j > gr[v][0]);
            }
            query(q);
            int ans;
            cin >> ans;
            if (!ans) {
                gr[j].push_back(i);
                rev_gr[i].push_back(j);
               //cout << j << " " << i << "\n";
                dfs(j);
                iter++;
            }
        }
    }
    resa.resize(n, -INF);
    resb.resize(n, -INF);
    last = 0;
    for (int v = 0; v < n; v++) {
        if (resa[v] == -INF) {
            dfs1(v);
        }
    }
    last = n - 1;
    for (int v = 0; v < n; v++) {
        if (resb[v] == -INF) {
            dfs2(v);
        }
    }
    query(resa);
    query(resb);
    int ans1, ans2;
    cin >> ans1 >> ans2;
    //assert(ans1 && ans2);
    cout << "end" << endl;
    for (int x : resa) {
        assert(x != -INF);
        cout << x + 1 << " ";
    }
    cout << endl;
    for (int x : resb) {
        assert(x != -INF);
        cout << x + 1 << " ";
    }
    cout << endl;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 308 KB Output is correct
3 Correct 2 ms 444 KB Output is correct
4 Correct 2 ms 444 KB Output is correct
5 Correct 2 ms 460 KB Output is correct
6 Correct 2 ms 460 KB Output is correct
7 Correct 2 ms 460 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 496 KB Output is correct
2 Correct 25 ms 496 KB Output is correct
3 Correct 29 ms 496 KB Output is correct
4 Correct 33 ms 544 KB Output is correct
5 Correct 10 ms 544 KB Output is correct
6 Correct 33 ms 564 KB Output is correct
7 Correct 5 ms 564 KB Output is correct
8 Correct 7 ms 564 KB Output is correct
9 Correct 23 ms 580 KB Output is correct
10 Correct 13 ms 580 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 580 KB Output is correct
2 Correct 2 ms 580 KB Output is correct
3 Correct 6 ms 580 KB Output is correct
4 Incorrect 6 ms 580 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 580 KB Output is correct
2 Correct 75 ms 580 KB Output is correct
3 Correct 66 ms 580 KB Output is correct
4 Correct 6 ms 588 KB Output is correct
5 Correct 5 ms 588 KB Output is correct
6 Correct 6 ms 588 KB Output is correct
7 Correct 17 ms 588 KB Output is correct
8 Correct 28 ms 588 KB Output is correct
9 Correct 22 ms 588 KB Output is correct
10 Correct 80 ms 588 KB Output is correct
11 Correct 70 ms 588 KB Output is correct
12 Correct 49 ms 588 KB Output is correct
13 Correct 66 ms 588 KB Output is correct
14 Correct 80 ms 588 KB Output is correct
15 Correct 117 ms 588 KB Output is correct
16 Correct 65 ms 588 KB Output is correct