답안 #876125

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
876125 2023-11-21T09:42:33 Z green_gold_dog Monster Game (JOI21_monster) C++17
25 / 100
147 ms 4820 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;
        for (ll i = 0; i < 5; i++) {
                grnd();
        }
        do {
                x = rnd() % all.size();
                now = all[x];
                sm.clear();
                bi.clear();
                grnd();
                for (ll j = 0; j < all.size(); j++) {
                        if (j != x) {
                                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:86:34: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   86 |                 for (ll j = 0; j < all.size(); j++) {
      |                                ~~^~~~~~~~~~~~
# 결과 실행 시간 메모리 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 0 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 600 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 596 KB Output is correct
13 Correct 1 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 14 ms 1216 KB Output is correct
17 Correct 15 ms 1484 KB Output is correct
18 Correct 14 ms 1112 KB Output is correct
19 Correct 12 ms 1684 KB Output is correct
20 Correct 11 ms 1112 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 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 344 KB Output is correct
26 Correct 13 ms 856 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 16 ms 1056 KB Output is correct
# 결과 실행 시간 메모리 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 0 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 600 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 596 KB Output is correct
13 Correct 1 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 14 ms 1216 KB Output is correct
17 Correct 15 ms 1484 KB Output is correct
18 Correct 14 ms 1112 KB Output is correct
19 Correct 12 ms 1684 KB Output is correct
20 Correct 11 ms 1112 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 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 344 KB Output is correct
26 Correct 13 ms 856 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 16 ms 1056 KB Output is correct
33 Correct 104 ms 2540 KB Output is correct
34 Correct 92 ms 2728 KB Output is correct
35 Correct 93 ms 2884 KB Output is correct
36 Correct 104 ms 2728 KB Output is correct
37 Correct 97 ms 2320 KB Output is correct
38 Correct 112 ms 3108 KB Output is correct
39 Correct 82 ms 3120 KB Output is correct
40 Correct 93 ms 2984 KB Output is correct
41 Correct 86 ms 2788 KB Output is correct
42 Correct 97 ms 3008 KB Output is correct
43 Correct 90 ms 2976 KB Output is correct
44 Correct 105 ms 3040 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Partially correct 96 ms 3404 KB Partially correct
2 Partially correct 95 ms 3052 KB Partially correct
3 Partially correct 95 ms 3404 KB Partially correct
4 Partially correct 108 ms 2852 KB Partially correct
5 Partially correct 113 ms 3268 KB Partially correct
6 Partially correct 102 ms 3004 KB Partially correct
7 Partially correct 91 ms 2520 KB Partially correct
8 Partially correct 113 ms 3576 KB Partially correct
9 Partially correct 95 ms 2932 KB Partially correct
10 Partially correct 105 ms 3144 KB Partially correct
11 Partially correct 84 ms 3368 KB Partially correct
12 Partially correct 101 ms 3420 KB Partially correct
13 Incorrect 147 ms 4820 KB Wrong Answer [6]
14 Halted 0 ms 0 KB -