oj.uz

답안 #655810

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
655810 2022-11-05T15:15:54 Z KiriLL1ca Political Development (BOI17_politicaldevelopment) C++17
100 / 100
 512 ms 26372 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define fr first
#define sc second
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define pw(x) (1ll << x)
#define sz(x) (int)((x).size())
#define pb push_back
#define endl '\n'
#define mp make_pair
#define vec vector

using namespace std;
using namespace __gnu_pbds;

typedef long long ll;
typedef long double ld;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
typedef unsigned long long ull;
typedef unsigned int uint;

template <typename T> inline bool umin (T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; }
template <typename T> inline bool umax (T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; }
template <typename T>
using oset = tree<T, null_type, less <T>, rb_tree_tag, tree_order_statistics_node_update>;

inline void solve () {
        int n, k; cin >> n >> k;
        vector <int> cnt (n);
        vector <set <int>> g (n);
        for (int i = 0; i < n; ++i) {
                cin >> cnt[i];
                for (int j = 0; j < cnt[i]; ++j) {
                        int x; cin >> x;
                        g[i].insert(x);
                }
        }
        int ans = 0;
        set <pii> s; for (int i = 0; i < n; ++i) s.insert({cnt[i], i});
        while (sz(s)) {
                auto [_, i] = *s.begin(); s.erase(s.begin());
                vector <int> ar;
                for (auto j : g[i]) ar.pb(j);

                for (int msk = 0; msk < pw(sz(ar)); ++msk) {
                        vector <int> b;
                        for (int j = 0; j < sz(ar); ++j) if (msk >> j & 1) b.pb(ar[j]);
                        bool okich = 1;
                        for (int i = 0; i < sz(b) && okich; ++i) {
                                for (int j = i + 1; j < sz(b) && okich; ++j) {
                                        if (g[b[i]].find(b[j]) == g[b[i]].end()) okich = 0;
                                }
                        }
                        if (okich) umax(ans, __builtin_popcount(msk));
                }

                for (auto j : g[i]) {
                        s.erase({sz(g[j]), j});
                        g[j].erase(i);
                        s.insert({sz(g[j]), j});
                }
        }
        cout << ans + 1 << endl;
}

signed main() {
        ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
        #ifdef LOCAL
                freopen("input.txt", "r", stdin);
                freopen("output.txt", "w", stdout);
        #endif
        int t = 1; // cin >> t;
        while (t--) solve();
        return 0;
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 5 ms 1236 KB Output is correct
4 Correct 4 ms 1236 KB Output is correct
5 Correct 4 ms 1236 KB Output is correct
6 Correct 4 ms 1236 KB Output is correct
7 Correct 5 ms 1236 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 2 ms 724 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 5 ms 1236 KB Output is correct
4 Correct 4 ms 1236 KB Output is correct
5 Correct 4 ms 1236 KB Output is correct
6 Correct 4 ms 1236 KB Output is correct
7 Correct 5 ms 1236 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 2 ms 724 KB Output is correct
11 Correct 4 ms 1236 KB Output is correct
12 Correct 6 ms 1236 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 4 ms 1236 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 5 ms 1236 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 5 ms 1236 KB Output is correct
19 Correct 1 ms 724 KB Output is correct
20 Correct 3 ms 980 KB Output is correct
21 Correct 3 ms 980 KB Output is correct
22 Correct 1 ms 724 KB Output is correct
23 Correct 6 ms 1364 KB Output is correct
24 Correct 2 ms 724 KB Output is correct
25 Correct 7 ms 1364 KB Output is correct
26 Correct 5 ms 1236 KB Output is correct
27 Correct 4 ms 1236 KB Output is correct
28 Correct 5 ms 1236 KB Output is correct
29 Correct 4 ms 1236 KB Output is correct
30 Correct 6 ms 1364 KB Output is correct
31 Correct 6 ms 1364 KB Output is correct
32 Correct 6 ms 1364 KB Output is correct
33 Correct 6 ms 1364 KB Output is correct
34 Correct 6 ms 1364 KB Output is correct
35 Correct 3 ms 852 KB Output is correct
36 Correct 3 ms 852 KB Output is correct
37 Correct 3 ms 852 KB Output is correct
38 Correct 2 ms 596 KB Output is correct
39 Correct 2 ms 596 KB Output is correct
40 Correct 10 ms 1748 KB Output is correct
41 Correct 3 ms 596 KB Output is correct
42 Correct 10 ms 1748 KB Output is correct
43 Correct 10 ms 1748 KB Output is correct

Subtask #3
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 724 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 487 ms 26336 KB Output is correct
12 Correct 0 ms 224 KB Output is correct
13 Correct 499 ms 26336 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 491 ms 26352 KB Output is correct
16 Correct 488 ms 26344 KB Output is correct
17 Correct 512 ms 26340 KB Output is correct
18 Correct 497 ms 26372 KB Output is correct

Subtask #4
38.0 / 38.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 5 ms 1236 KB Output is correct
4 Correct 4 ms 1236 KB Output is correct
5 Correct 4 ms 1236 KB Output is correct
6 Correct 4 ms 1236 KB Output is correct
7 Correct 5 ms 1236 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 2 ms 724 KB Output is correct
11 Correct 4 ms 1236 KB Output is correct
12 Correct 6 ms 1236 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 4 ms 1236 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 5 ms 1236 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 5 ms 1236 KB Output is correct
19 Correct 1 ms 724 KB Output is correct
20 Correct 3 ms 980 KB Output is correct
21 Correct 3 ms 980 KB Output is correct
22 Correct 1 ms 724 KB Output is correct
23 Correct 6 ms 1364 KB Output is correct
24 Correct 2 ms 724 KB Output is correct
25 Correct 7 ms 1364 KB Output is correct
26 Correct 5 ms 1236 KB Output is correct
27 Correct 4 ms 1236 KB Output is correct
28 Correct 5 ms 1236 KB Output is correct
29 Correct 4 ms 1236 KB Output is correct
30 Correct 6 ms 1364 KB Output is correct
31 Correct 6 ms 1364 KB Output is correct
32 Correct 6 ms 1364 KB Output is correct
33 Correct 6 ms 1364 KB Output is correct
34 Correct 6 ms 1364 KB Output is correct
35 Correct 3 ms 852 KB Output is correct
36 Correct 3 ms 852 KB Output is correct
37 Correct 3 ms 852 KB Output is correct
38 Correct 2 ms 596 KB Output is correct
39 Correct 2 ms 596 KB Output is correct
40 Correct 10 ms 1748 KB Output is correct
41 Correct 3 ms 596 KB Output is correct
42 Correct 10 ms 1748 KB Output is correct
43 Correct 10 ms 1748 KB Output is correct
44 Correct 67 ms 2644 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 10 ms 1692 KB Output is correct
47 Correct 24 ms 2644 KB Output is correct
48 Correct 9 ms 1620 KB Output is correct
49 Correct 28 ms 2680 KB Output is correct
50 Correct 28 ms 2644 KB Output is correct
51 Correct 219 ms 4564 KB Output is correct
52 Correct 5 ms 1236 KB Output is correct
53 Correct 401 ms 4948 KB Output is correct
54 Correct 426 ms 4948 KB Output is correct
55 Correct 5 ms 1236 KB Output is correct
56 Correct 5 ms 1236 KB Output is correct
57 Correct 2 ms 724 KB Output is correct
58 Correct 414 ms 4940 KB Output is correct
59 Correct 9 ms 1748 KB Output is correct
60 Correct 5 ms 1236 KB Output is correct
61 Correct 9 ms 1748 KB Output is correct
62 Correct 9 ms 1748 KB Output is correct
63 Correct 68 ms 2588 KB Output is correct
64 Correct 38 ms 2388 KB Output is correct
65 Correct 8 ms 1620 KB Output is correct
66 Correct 9 ms 1748 KB Output is correct
67 Correct 54 ms 3028 KB Output is correct
68 Correct 36 ms 2388 KB Output is correct
69 Correct 8 ms 1620 KB Output is correct
70 Correct 21 ms 2436 KB Output is correct
71 Correct 58 ms 3028 KB Output is correct
72 Correct 41 ms 2900 KB Output is correct
73 Correct 4 ms 1236 KB Output is correct
74 Correct 22 ms 2516 KB Output is correct
75 Correct 42 ms 2900 KB Output is correct
76 Correct 13 ms 1944 KB Output is correct
77 Correct 84 ms 3412 KB Output is correct
78 Correct 4 ms 1236 KB Output is correct
79 Correct 45 ms 1876 KB Output is correct
80 Correct 13 ms 2004 KB Output is correct
81 Correct 85 ms 3412 KB Output is correct
82 Correct 2 ms 596 KB Output is correct
83 Correct 42 ms 1876 KB Output is correct
84 Correct 40 ms 2900 KB Output is correct
85 Correct 2 ms 548 KB Output is correct
86 Correct 40 ms 2900 KB Output is correct

Subtask #5
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 5 ms 1236 KB Output is correct
4 Correct 4 ms 1236 KB Output is correct
5 Correct 4 ms 1236 KB Output is correct
6 Correct 4 ms 1236 KB Output is correct
7 Correct 5 ms 1236 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 2 ms 724 KB Output is correct
11 Correct 4 ms 1236 KB Output is correct
12 Correct 6 ms 1236 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 4 ms 1236 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 5 ms 1236 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 5 ms 1236 KB Output is correct
19 Correct 1 ms 724 KB Output is correct
20 Correct 3 ms 980 KB Output is correct
21 Correct 3 ms 980 KB Output is correct
22 Correct 1 ms 724 KB Output is correct
23 Correct 6 ms 1364 KB Output is correct
24 Correct 2 ms 724 KB Output is correct
25 Correct 7 ms 1364 KB Output is correct
26 Correct 5 ms 1236 KB Output is correct
27 Correct 4 ms 1236 KB Output is correct
28 Correct 5 ms 1236 KB Output is correct
29 Correct 4 ms 1236 KB Output is correct
30 Correct 6 ms 1364 KB Output is correct
31 Correct 6 ms 1364 KB Output is correct
32 Correct 6 ms 1364 KB Output is correct
33 Correct 6 ms 1364 KB Output is correct
34 Correct 6 ms 1364 KB Output is correct
35 Correct 3 ms 852 KB Output is correct
36 Correct 3 ms 852 KB Output is correct
37 Correct 3 ms 852 KB Output is correct
38 Correct 2 ms 596 KB Output is correct
39 Correct 2 ms 596 KB Output is correct
40 Correct 10 ms 1748 KB Output is correct
41 Correct 3 ms 596 KB Output is correct
42 Correct 10 ms 1748 KB Output is correct
43 Correct 10 ms 1748 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 196 ms 19360 KB Output is correct
46 Correct 79 ms 12240 KB Output is correct
47 Correct 201 ms 19184 KB Output is correct
48 Correct 198 ms 19404 KB Output is correct
49 Correct 50 ms 9836 KB Output is correct
50 Correct 224 ms 23924 KB Output is correct
51 Correct 211 ms 19172 KB Output is correct
52 Correct 52 ms 9932 KB Output is correct
53 Correct 54 ms 9864 KB Output is correct
54 Correct 13 ms 5204 KB Output is correct
55 Correct 229 ms 23976 KB Output is correct
56 Correct 28 ms 7560 KB Output is correct
57 Correct 48 ms 9908 KB Output is correct
58 Correct 68 ms 12188 KB Output is correct
59 Correct 28 ms 7508 KB Output is correct
60 Correct 30 ms 7508 KB Output is correct
61 Correct 68 ms 12252 KB Output is correct
62 Correct 49 ms 9820 KB Output is correct
63 Correct 102 ms 13432 KB Output is correct
64 Correct 29 ms 7504 KB Output is correct
65 Correct 148 ms 15740 KB Output is correct
66 Correct 49 ms 9812 KB Output is correct
67 Correct 102 ms 13516 KB Output is correct
68 Correct 133 ms 15188 KB Output is correct
69 Correct 151 ms 15756 KB Output is correct
70 Correct 49 ms 9836 KB Output is correct
71 Correct 133 ms 15192 KB Output is correct
72 Correct 104 ms 13012 KB Output is correct
73 Correct 158 ms 17148 KB Output is correct
74 Correct 50 ms 9812 KB Output is correct
75 Correct 52 ms 7252 KB Output is correct
76 Correct 102 ms 13076 KB Output is correct
77 Correct 162 ms 17276 KB Output is correct
78 Correct 80 ms 8788 KB Output is correct
79 Correct 52 ms 7220 KB Output is correct
80 Correct 22 ms 3748 KB Output is correct
81 Correct 82 ms 8672 KB Output is correct
82 Correct 123 ms 14604 KB Output is correct
83 Correct 23 ms 3760 KB Output is correct
84 Correct 130 ms 14592 KB Output is correct