oj.uz

Submission #876127

# Submission time Handle Problem Language Result Execution time Memory
876127 2023-11-21T09:43:13 Z green_gold_dog Monster Game (JOI21_monster) C++17
10 / 100
 170 ms 4804 KB 
#include<bits/stdc++.h>
#include "monster.h"

using namespace std;

#define al(a) a.begin(), a.end()

random_device rd;
mt19937 rnd(1);

typedef int ll;

map<pair<ll, ll>, bool> m;

ll N;

bool query(ll a, ll b) {
        return (m.find(make_pair(a, b)) != m.end() ? m[make_pair(a, b)] : (m[make_pair(a, b)] = !(m[make_pair(b, a)] = Query(b, a))));
}

void grnd() {
        ll x = rnd() % N;
        ll y;
        do {
                y = rnd() % N;
        } while (x == y);
        query(x, y);
}

void s(vector<ll>& all) {
        if (all.size() <= 1) {
                return;
        }
        if (all.size() <= 30) {
                vector<pair<ll, ll>> now;
                map<ll, vector<ll>> big, sma;
                for (ll i = 0; i < all.size(); i++) {
                        ll cb = 0;
                        for (ll j = 0; j < all.size(); j++) {
                                if (i != j) {
                                        if (query(all[i], all[j])) {
                                                sma[all[i]].push_back(all[j]);
                                        } else {
                                                cb++;
                                                big[all[i]].push_back(all[j]);
                                        }
                                }
                        }
                        now.emplace_back(cb, all[i]);
                }
                sort(now.rbegin(), now.rend());
                if (sma[now[0].second].empty()) {
                        if (now.size() > 2 && find(al(sma[now[2].second]), now[1].second) != sma[now[2].second].end()) {
                                swap(now[1], now[2]);
                        }
                } else {
                        if (find(al(sma[now[1].second]), now[0].second) != sma[now[1].second].end()) {
                                swap(now[0], now[1]);
                        }
                }
                if (big[now[now.size() - 1].second].empty()) {
                        if (now.size() > 2 && find(al(big[now[now.size() - 3].second]), now[now.size() - 2].second) != big[now[now.size() - 3].second].end()) {
                                swap(now[now.size() - 2], now[now.size() - 3]);
                        }
                } else {
                        if (find(al(big[now[now.size() - 2].second]), now.back().second) != big[now[now.size() - 2].second].end()) {
                                swap(now[now.size() - 2], now.back());
                        }
                }
                for (ll i = 0; i < all.size(); i++) {
                        all[i] = now[i].second;
                }
                return;
        }
        ll x, now;
        vector<ll> sm, bi;
        do {
                x = rnd() % all.size();
                now = all[x];
                sm.clear();
                bi.clear();
                for (ll j = 0; j < all.size(); j++) {
                        if (j != x) {
                                grnd();
                                if (query(now, all[j])) {
                                        sm.push_back(all[j]);
                                } else {
                                        bi.push_back(all[j]);
                                }
                        }
                }
        } while (sm.size() < 6 || bi.size() < 6);
        s(sm);
        s(bi);
        if (!sm.empty() && !bi.empty()) {
                swap(sm.back(), bi[0]);
        }
        all.clear();
        for (auto i : sm) {
                all.push_back(i);
        }
        all.push_back(now);
        for (auto i : bi) {
                all.push_back(i);
        }
}

vector<ll> Solve(ll n) {
        N = n;
        vector<ll> all;
        for (ll i = 0; i < n; i++) {
                all.push_back(i);
        }
        s(all);
        vector<ll> ans(n);
        for (ll i = 0; i < n; i++) {
                ans[all[i]] = i;
        }
        return ans;
}

Compilation message

monster.cpp: In function 'void s(std::vector<int>&)':
monster.cpp:37:34: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |                 for (ll i = 0; i < all.size(); i++) {
      |                                ~~^~~~~~~~~~~~
monster.cpp:39:42: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |                         for (ll j = 0; j < all.size(); j++) {
      |                                        ~~^~~~~~~~~~~~
monster.cpp:70:34: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   70 |                 for (ll i = 0; i < all.size(); i++) {
      |                                ~~^~~~~~~~~~~~
monster.cpp:82:34: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   82 |                 for (ll j = 0; j < all.size(); j++) {
      |                                ~~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 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 1 ms 344 KB Output is correct
16 Correct 17 ms 1176 KB Output is correct
17 Correct 17 ms 1116 KB Output is correct
18 Correct 17 ms 1112 KB Output is correct
19 Correct 15 ms 1368 KB Output is correct
20 Correct 19 ms 1488 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 0 ms 600 KB Output is correct
26 Correct 17 ms 956 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 448 KB Output is correct
30 Correct 1 ms 600 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 18 ms 1452 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 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 1 ms 344 KB Output is correct
16 Correct 17 ms 1176 KB Output is correct
17 Correct 17 ms 1116 KB Output is correct
18 Correct 17 ms 1112 KB Output is correct
19 Correct 15 ms 1368 KB Output is correct
20 Correct 19 ms 1488 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 0 ms 600 KB Output is correct
26 Correct 17 ms 956 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 448 KB Output is correct
30 Correct 1 ms 600 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 18 ms 1452 KB Output is correct
33 Correct 145 ms 3924 KB Output is correct
34 Correct 129 ms 4448 KB Output is correct
35 Incorrect 133 ms 4804 KB Wrong Answer [6]
36 Halted 0 ms 0 KB -

Subtask #3
0.0 / 75.0

# Verdict Execution time Memory Grader output
1 Partially correct 130 ms 4440 KB Partially correct
2 Partially correct 135 ms 3956 KB Partially correct
3 Partially correct 135 ms 4052 KB Partially correct
4 Incorrect 170 ms 4092 KB Output isn't correct
5 Halted 0 ms 0 KB -