oj.uz

Submission #44215

# Submission time Handle Problem Language Result Execution time Memory
44215 2018-03-30T14:34:19 Z ShadowLight Zagonetka (COI18_zagonetka) C++14
78 / 100
 94 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.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 248 KB Output is correct
2 Correct 2 ms 436 KB Output is correct
3 Correct 2 ms 436 KB Output is correct
4 Correct 2 ms 436 KB Output is correct
5 Correct 2 ms 436 KB Output is correct
6 Correct 2 ms 436 KB Output is correct
7 Correct 2 ms 436 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 436 KB Output is correct
2 Correct 27 ms 436 KB Output is correct
3 Correct 27 ms 464 KB Output is correct
4 Correct 24 ms 540 KB Output is correct
5 Correct 9 ms 580 KB Output is correct
6 Correct 40 ms 580 KB Output is correct
7 Correct 5 ms 580 KB Output is correct
8 Correct 7 ms 580 KB Output is correct
9 Correct 26 ms 580 KB Output is correct
10 Correct 16 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 5 ms 580 KB Output is correct
4 Incorrect 5 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 68 ms 588 KB Output is correct
2 Correct 81 ms 588 KB Output is correct
3 Correct 71 ms 588 KB Output is correct
4 Correct 4 ms 716 KB Output is correct
5 Correct 5 ms 716 KB Output is correct
6 Correct 4 ms 716 KB Output is correct
7 Correct 17 ms 716 KB Output is correct
8 Correct 25 ms 716 KB Output is correct
9 Correct 29 ms 716 KB Output is correct
10 Correct 94 ms 716 KB Output is correct
11 Correct 51 ms 716 KB Output is correct
12 Correct 59 ms 716 KB Output is correct
13 Correct 71 ms 716 KB Output is correct
14 Correct 66 ms 716 KB Output is correct
15 Correct 84 ms 716 KB Output is correct
16 Correct 62 ms 716 KB Output is correct