oj.uz

Submission #44214

# Submission time Handle Problem Language Result Execution time Memory
44214 2018-03-30T14:31:00 Z ShadowLight Zagonetka (COI18_zagonetka) C++14
78 / 100
 112 ms 788 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 (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 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 396 KB Output is correct
4 Correct 2 ms 540 KB Output is correct
5 Correct 2 ms 540 KB Output is correct
6 Correct 2 ms 540 KB Output is correct
7 Correct 2 ms 540 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 540 KB Output is correct
2 Correct 29 ms 568 KB Output is correct
3 Correct 31 ms 568 KB Output is correct
4 Correct 26 ms 568 KB Output is correct
5 Correct 7 ms 568 KB Output is correct
6 Correct 24 ms 568 KB Output is correct
7 Correct 5 ms 580 KB Output is correct
8 Correct 8 ms 580 KB Output is correct
9 Correct 22 ms 580 KB Output is correct
10 Correct 17 ms 580 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 580 KB Output is correct
2 Correct 2 ms 580 KB Output is correct
3 Correct 4 ms 580 KB Output is correct
4 Runtime error 7 ms 708 KB Execution killed with signal 11 (could be triggered by violating memory limits)
5 Halted 0 ms 0 KB -

Subtask #4
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 72 ms 764 KB Output is correct
2 Correct 112 ms 764 KB Output is correct
3 Correct 75 ms 764 KB Output is correct
4 Correct 4 ms 768 KB Output is correct
5 Correct 6 ms 772 KB Output is correct
6 Correct 5 ms 772 KB Output is correct
7 Correct 20 ms 772 KB Output is correct
8 Correct 28 ms 772 KB Output is correct
9 Correct 32 ms 788 KB Output is correct
10 Correct 71 ms 788 KB Output is correct
11 Correct 60 ms 788 KB Output is correct
12 Correct 63 ms 788 KB Output is correct
13 Correct 74 ms 788 KB Output is correct
14 Correct 96 ms 788 KB Output is correct
15 Correct 88 ms 788 KB Output is correct
16 Correct 76 ms 788 KB Output is correct