oj.uz

Submission #44187

# Submission time Handle Problem Language Result Execution time Memory
44187 2018-03-30T10:18:33 Z ShadowLight Zagonetka (COI18_zagonetka) C++14
78 / 100
 73 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];
                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) {
        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 376 KB Output is correct
2 Correct 2 ms 440 KB Output is correct
3 Correct 2 ms 516 KB Output is correct
4 Correct 2 ms 516 KB Output is correct
5 Correct 2 ms 516 KB Output is correct
6 Correct 2 ms 516 KB Output is correct
7 Correct 2 ms 516 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 516 KB Output is correct
2 Correct 25 ms 516 KB Output is correct
3 Correct 21 ms 524 KB Output is correct
4 Correct 22 ms 524 KB Output is correct
5 Correct 9 ms 524 KB Output is correct
6 Correct 30 ms 524 KB Output is correct
7 Correct 6 ms 524 KB Output is correct
8 Correct 7 ms 544 KB Output is correct
9 Correct 33 ms 544 KB Output is correct
10 Correct 20 ms 544 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 544 KB Output is correct
2 Correct 2 ms 544 KB Output is correct
3 Correct 7 ms 544 KB Output is correct
4 Incorrect 5 ms 544 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 544 KB Output is correct
2 Correct 60 ms 544 KB Output is correct
3 Correct 59 ms 588 KB Output is correct
4 Correct 5 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 16 ms 588 KB Output is correct
8 Correct 29 ms 588 KB Output is correct
9 Correct 26 ms 588 KB Output is correct
10 Correct 73 ms 588 KB Output is correct
11 Correct 69 ms 588 KB Output is correct
12 Correct 68 ms 588 KB Output is correct
13 Correct 72 ms 588 KB Output is correct
14 Correct 70 ms 588 KB Output is correct
15 Correct 73 ms 588 KB Output is correct
16 Correct 71 ms 588 KB Output is correct