oj.uz

답안 #655803

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
655803 2022-11-05T15:11:25 Z KiriLL1ca Political Development (BOI17_politicaldevelopment) C++17
39 / 100
 439 ms 29096 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) {
                        if (__builtin_popcount(msk) <= ans) continue;
                        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(ar[j]) == g[b[i]].end()) okich = 0;
                                }
                        }
                        if (okich) umax(ans, __builtin_popcount(msk));
                }

                for (auto j : g[i]) {
                        s.erase({cnt[j], j});
                        --cnt[j]; g[j].erase(i);
                        s.insert({cnt[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 0 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 0 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 1244 KB Output is correct
12 Correct 4 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 1 ms 324 KB Output is correct
16 Correct 5 ms 1220 KB Output is correct
17 Correct 1 ms 276 KB Output is correct
18 Correct 5 ms 1232 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 1 ms 724 KB Output is correct
25 Correct 7 ms 1364 KB Output is correct
26 Correct 6 ms 1416 KB Output is correct
27 Correct 4 ms 1236 KB Output is correct
28 Correct 5 ms 1364 KB Output is correct
29 Correct 5 ms 1232 KB Output is correct
30 Correct 7 ms 1492 KB Output is correct
31 Correct 7 ms 1492 KB Output is correct
32 Correct 6 ms 1484 KB Output is correct
33 Correct 7 ms 1492 KB Output is correct
34 Correct 6 ms 1488 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 3 ms 596 KB Output is correct
40 Correct 9 ms 1748 KB Output is correct
41 Correct 3 ms 596 KB Output is correct
42 Correct 9 ms 1748 KB Output is correct
43 Correct 9 ms 1784 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 1 ms 212 KB Output is correct
3 Correct 1 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 1 ms 320 KB Output is correct
7 Correct 1 ms 320 KB Output is correct
8 Correct 0 ms 316 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 439 ms 28976 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 435 ms 28940 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 429 ms 29096 KB Output is correct
16 Correct 423 ms 28876 KB Output is correct
17 Correct 438 ms 29016 KB Output is correct
18 Correct 435 ms 28988 KB Output is correct

Subtask #4
0 / 38.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 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 1244 KB Output is correct
12 Correct 4 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 1 ms 324 KB Output is correct
16 Correct 5 ms 1220 KB Output is correct
17 Correct 1 ms 276 KB Output is correct
18 Correct 5 ms 1232 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 1 ms 724 KB Output is correct
25 Correct 7 ms 1364 KB Output is correct
26 Correct 6 ms 1416 KB Output is correct
27 Correct 4 ms 1236 KB Output is correct
28 Correct 5 ms 1364 KB Output is correct
29 Correct 5 ms 1232 KB Output is correct
30 Correct 7 ms 1492 KB Output is correct
31 Correct 7 ms 1492 KB Output is correct
32 Correct 6 ms 1484 KB Output is correct
33 Correct 7 ms 1492 KB Output is correct
34 Correct 6 ms 1488 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 3 ms 596 KB Output is correct
40 Correct 9 ms 1748 KB Output is correct
41 Correct 3 ms 596 KB Output is correct
42 Correct 9 ms 1748 KB Output is correct
43 Correct 9 ms 1784 KB Output is correct
44 Correct 14 ms 2772 KB Output is correct
45 Correct 0 ms 328 KB Output is correct
46 Correct 9 ms 1868 KB Output is correct
47 Correct 20 ms 2772 KB Output is correct
48 Correct 8 ms 1748 KB Output is correct
49 Correct 20 ms 2804 KB Output is correct
50 Correct 20 ms 2772 KB Output is correct
51 Correct 193 ms 4848 KB Output is correct
52 Correct 4 ms 1220 KB Output is correct
53 Correct 392 ms 5340 KB Output is correct
54 Correct 375 ms 5460 KB Output is correct
55 Correct 5 ms 1236 KB Output is correct
56 Correct 5 ms 1236 KB Output is correct
57 Correct 1 ms 724 KB Output is correct
58 Correct 388 ms 5388 KB Output is correct
59 Correct 6 ms 1748 KB Output is correct
60 Correct 5 ms 1360 KB Output is correct
61 Correct 8 ms 1748 KB Output is correct
62 Correct 8 ms 1748 KB Output is correct
63 Correct 14 ms 2820 KB Output is correct
64 Correct 14 ms 2584 KB Output is correct
65 Correct 8 ms 1620 KB Output is correct
66 Correct 7 ms 1748 KB Output is correct
67 Correct 40 ms 3320 KB Output is correct
68 Correct 14 ms 2516 KB Output is correct
69 Correct 7 ms 1620 KB Output is correct
70 Correct 15 ms 2644 KB Output is correct
71 Correct 41 ms 3156 KB Output is correct
72 Correct 28 ms 3156 KB Output is correct
73 Correct 4 ms 1232 KB Output is correct
74 Correct 16 ms 2644 KB Output is correct
75 Correct 29 ms 3156 KB Output is correct
76 Correct 12 ms 2132 KB Output is correct
77 Correct 84 ms 3748 KB Output is correct
78 Correct 4 ms 1236 KB Output is correct
79 Correct 42 ms 2004 KB Output is correct
80 Correct 11 ms 2132 KB Output is correct
81 Correct 89 ms 3796 KB Output is correct
82 Correct 2 ms 596 KB Output is correct
83 Correct 41 ms 2004 KB Output is correct
84 Correct 34 ms 3028 KB Output is correct
85 Correct 2 ms 616 KB Output is correct
86 Incorrect 29 ms 3148 KB Output isn't correct
87 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 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 1244 KB Output is correct
12 Correct 4 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 1 ms 324 KB Output is correct
16 Correct 5 ms 1220 KB Output is correct
17 Correct 1 ms 276 KB Output is correct
18 Correct 5 ms 1232 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 1 ms 724 KB Output is correct
25 Correct 7 ms 1364 KB Output is correct
26 Correct 6 ms 1416 KB Output is correct
27 Correct 4 ms 1236 KB Output is correct
28 Correct 5 ms 1364 KB Output is correct
29 Correct 5 ms 1232 KB Output is correct
30 Correct 7 ms 1492 KB Output is correct
31 Correct 7 ms 1492 KB Output is correct
32 Correct 6 ms 1484 KB Output is correct
33 Correct 7 ms 1492 KB Output is correct
34 Correct 6 ms 1488 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 3 ms 596 KB Output is correct
40 Correct 9 ms 1748 KB Output is correct
41 Correct 3 ms 596 KB Output is correct
42 Correct 9 ms 1748 KB Output is correct
43 Correct 9 ms 1784 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 182 ms 21208 KB Output is correct
46 Correct 75 ms 13184 KB Output is correct
47 Correct 182 ms 21092 KB Output is correct
48 Correct 189 ms 21212 KB Output is correct
49 Correct 49 ms 10532 KB Output is correct
50 Correct 214 ms 26316 KB Output is correct
51 Correct 183 ms 21068 KB Output is correct
52 Correct 49 ms 10516 KB Output is correct
53 Correct 48 ms 10516 KB Output is correct
54 Correct 15 ms 5204 KB Output is correct
55 Correct 227 ms 26300 KB Output is correct
56 Correct 28 ms 7892 KB Output is correct
57 Correct 52 ms 10556 KB Output is correct
58 Correct 63 ms 13108 KB Output is correct
59 Correct 30 ms 7892 KB Output is correct
60 Correct 30 ms 7884 KB Output is correct
61 Correct 62 ms 13132 KB Output is correct
62 Correct 47 ms 10572 KB Output is correct
63 Correct 102 ms 14488 KB Output is correct
64 Correct 29 ms 7892 KB Output is correct
65 Correct 130 ms 17156 KB Output is correct
66 Correct 46 ms 10580 KB Output is correct
67 Correct 105 ms 14544 KB Output is correct
68 Correct 122 ms 16472 KB Output is correct
69 Correct 127 ms 17108 KB Output is correct
70 Correct 50 ms 10492 KB Output is correct
71 Correct 140 ms 16588 KB Output is correct
72 Correct 95 ms 13972 KB Output is correct
73 Correct 158 ms 18764 KB Output is correct
74 Correct 53 ms 10572 KB Output is correct
75 Correct 54 ms 7884 KB Output is correct
76 Correct 100 ms 14080 KB Output is correct
77 Correct 165 ms 18784 KB Output is correct
78 Correct 79 ms 9420 KB Output is correct
79 Correct 53 ms 7812 KB Output is correct
80 Correct 22 ms 4052 KB Output is correct
81 Correct 76 ms 9516 KB Output is correct
82 Correct 114 ms 15832 KB Output is correct
83 Correct 24 ms 4036 KB Output is correct
84 Incorrect 116 ms 15780 KB Output isn't correct
85 Halted 0 ms 0 KB -