oj.uz

Submission #951686

# Submission time Handle Problem Language Result Execution time Memory
951686 2024-03-22T10:31:42 Z arbuzick Monster Game (JOI21_monster) C++17
10 / 100
 126 ms 3788 KB 
#include "monster.h"

#include <bits/stdc++.h>

using namespace std;

mt19937 rnd(57);

int get_mx(vector<int> nw) {
    int ans = nw[0];
    for (int i = 1; i < (int)nw.size(); ++i) {
        if (Query(nw[i], ans)) {
            ans = nw[i];
        }
    }
    return ans;
}

int get_mn(vector<int> nw) {
    int ans = nw[0];
    for (int i = 1; i < (int)nw.size(); ++i) {
        if (Query(ans, nw[i])) {
            ans = nw[i];
        }
    }
    return ans;
}

vector<int> my_sort(vector<int> nw) {
    if (nw.size() <= 1) {
        return nw;
    }
    if (nw.size() <= 200) {
        map<pair<int, int>, int> vl;
        map<int, int> cnt;
        for (int i = 0; i < (int)nw.size(); ++i) {
            for (int j = i + 1; j < (int)nw.size(); ++j) {
                if (Query(nw[i], nw[j])) {
                    vl[{nw[i], nw[j]}] = 1;
                    cnt[nw[i]]++;
                } else {
                    vl[{nw[j], nw[i]}] = 1;
                    cnt[nw[j]]++;
                }
            }
        }
        int start;
        for (int i = 0; i < (int)nw.size(); ++i) {
            if (cnt[nw[i]] == 1) {
                bool check = true;
                for (int j = 0; j < (int)nw.size(); ++j) {
                    if (vl[{nw[i], nw[j]}] && cnt[nw[j]] != 1) {
                        check = false;
                        break;
                    }
                }
                if (check) {
                    start = nw[i];
                    break;
                }
            }
        }
        vector<int> ans = {start};
        set<int> used = {start};
        while (ans.size() < nw.size()) {
            for (int i = 0; i < (int)nw.size(); ++i) {
                if (!used.count(nw[i]) && vl[{ans.back(), nw[i]}]) {
                    ans.push_back(nw[i]);
                    used.insert(nw[i]);
                    break;
                }
            }
        }
        return ans;
    }
    int pos_md = rnd() % nw.size();
    int val_md = nw[pos_md];
    vector<int> l, r;
    for (int i = 0; i < (int)nw.size(); ++i) {
        if (i == pos_md) {
            continue;
        }
        if (Query(val_md, nw[i])) {
            l.push_back(nw[i]);
        } else {
            r.push_back(nw[i]);
        }
    }
    int l_mx = get_mx(l), r_mn = get_mn(r);
    vector<int> ll, rr;
    for (auto vl : l) {
        if (vl != l_mx) {
            ll.push_back(vl);
        }
    }
    for (auto vl : r) {
        if (vl != r_mn) {
            rr.push_back(vl);
        }
    }
    ll = my_sort(ll);
    rr = my_sort(rr);
    vector<int> ans = ll;
    ans.push_back(r_mn);
    ans.push_back(val_md);
    ans.push_back(l_mx);
    for (auto vl : rr) {
        ans.push_back(vl);
    }
    return ans;
}

vector<int> Solve(int n) {
    vector<int> ord(n);
    iota(ord.begin(), ord.end(), 0);
    ord = my_sort(ord);
    vector<int> ans(n);
    for (int i = 0; i < n; ++i) {
        ans[ord[i]] = i;
    }
    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 96 ms 2688 KB Output is correct
17 Correct 109 ms 3028 KB Output is correct
18 Correct 94 ms 2624 KB Output is correct
19 Correct 115 ms 2568 KB Output is correct
20 Correct 94 ms 2640 KB Output is correct
21 Correct 0 ms 596 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 100 ms 2924 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 99 ms 3788 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 96 ms 2688 KB Output is correct
17 Correct 109 ms 3028 KB Output is correct
18 Correct 94 ms 2624 KB Output is correct
19 Correct 115 ms 2568 KB Output is correct
20 Correct 94 ms 2640 KB Output is correct
21 Correct 0 ms 596 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 100 ms 2924 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 99 ms 3788 KB Output is correct
33 Incorrect 126 ms 2092 KB Wrong Answer [6]
34 Halted 0 ms 0 KB -

Subtask #3
0 / 75.0

# Verdict Execution time Memory Grader output
1 Incorrect 121 ms 1384 KB Wrong Answer [6]
2 Halted 0 ms 0 KB -