oj.uz

Submission #44182

# Submission time Handle Problem Language Result Execution time Memory
44182 2018-03-30T10:11:07 Z ShadowLight Zagonetka (COI18_zagonetka) C++14
78 / 100
 103 ms 716 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.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);
               //cout << j << " " << i << "\n";
                dfs(j);
                iter++;
            }
        }
    }
    resa.resize(n, -INF);
    resb.resize(n, -INF);
    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);
        }
    }
    cout << "end" << endl;
    for (int x : resa) {
        cout << x + 1 << " ";
    }
    cout << endl;
    for (int x : resb) {
        cout << x + 1 << " ";
    }
    cout << endl;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 440 KB Output is correct
3 Correct 2 ms 440 KB Output is correct
4 Correct 2 ms 440 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 496 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 500 KB Output is correct
2 Correct 23 ms 500 KB Output is correct
3 Correct 30 ms 500 KB Output is correct
4 Correct 24 ms 524 KB Output is correct
5 Correct 9 ms 568 KB Output is correct
6 Correct 32 ms 568 KB Output is correct
7 Correct 8 ms 568 KB Output is correct
8 Correct 8 ms 568 KB Output is correct
9 Correct 35 ms 568 KB Output is correct
10 Correct 14 ms 568 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 568 KB Output is correct
2 Correct 2 ms 568 KB Output is correct
3 Correct 7 ms 568 KB Output is correct
4 Incorrect 4 ms 576 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 73 ms 576 KB Output is correct
2 Correct 88 ms 588 KB Output is correct
3 Correct 73 ms 588 KB Output is correct
4 Correct 4 ms 588 KB Output is correct
5 Correct 5 ms 588 KB Output is correct
6 Correct 5 ms 588 KB Output is correct
7 Correct 17 ms 628 KB Output is correct
8 Correct 29 ms 628 KB Output is correct
9 Correct 26 ms 628 KB Output is correct
10 Correct 84 ms 628 KB Output is correct
11 Correct 86 ms 716 KB Output is correct
12 Correct 69 ms 716 KB Output is correct
13 Correct 67 ms 716 KB Output is correct
14 Correct 58 ms 716 KB Output is correct
15 Correct 83 ms 716 KB Output is correct
16 Correct 103 ms 716 KB Output is correct