oj.uz

답안 #655809

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
655809 2022-11-05T15:14:55 Z KiriLL1ca Political Development (BOI17_politicaldevelopment) C++17
39 / 100
 528 ms 27056 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(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});
                } cnt[i] = 0;
        }
        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 1 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 1344 KB Output is correct
5 Correct 4 ms 1236 KB Output is correct
6 Correct 5 ms 1212 KB Output is correct
7 Correct 5 ms 1236 KB Output is correct
8 Correct 2 ms 724 KB Output is correct
9 Correct 1 ms 316 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 1 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 1344 KB Output is correct
5 Correct 4 ms 1236 KB Output is correct
6 Correct 5 ms 1212 KB Output is correct
7 Correct 5 ms 1236 KB Output is correct
8 Correct 2 ms 724 KB Output is correct
9 Correct 1 ms 316 KB Output is correct
10 Correct 2 ms 724 KB Output is correct
11 Correct 4 ms 1236 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 0 ms 320 KB Output is correct
16 Correct 5 ms 1236 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 5 ms 1236 KB Output is correct
19 Correct 2 ms 724 KB Output is correct
20 Correct 3 ms 984 KB Output is correct
21 Correct 3 ms 980 KB Output is correct
22 Correct 2 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 6 ms 1364 KB Output is correct
26 Correct 6 ms 1364 KB Output is correct
27 Correct 4 ms 1236 KB Output is correct
28 Correct 5 ms 1364 KB Output is correct
29 Correct 4 ms 1236 KB Output is correct
30 Correct 7 ms 1496 KB Output is correct
31 Correct 6 ms 1492 KB Output is correct
32 Correct 6 ms 1492 KB Output is correct
33 Correct 7 ms 1484 KB Output is correct
34 Correct 6 ms 1492 KB Output is correct
35 Correct 3 ms 852 KB Output is correct
36 Correct 4 ms 852 KB Output is correct
37 Correct 4 ms 852 KB Output is correct
38 Correct 2 ms 584 KB Output is correct
39 Correct 3 ms 596 KB Output is correct
40 Correct 9 ms 1748 KB Output is correct
41 Correct 2 ms 596 KB Output is correct
42 Correct 9 ms 1748 KB Output is correct
43 Correct 9 ms 1740 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 1 ms 320 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 316 KB Output is correct
8 Correct 1 ms 252 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 474 ms 26988 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 528 ms 26984 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 486 ms 26980 KB Output is correct
16 Correct 482 ms 26980 KB Output is correct
17 Correct 491 ms 27056 KB Output is correct
18 Correct 487 ms 26908 KB Output is correct

Subtask #4
0 / 38.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 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 1344 KB Output is correct
5 Correct 4 ms 1236 KB Output is correct
6 Correct 5 ms 1212 KB Output is correct
7 Correct 5 ms 1236 KB Output is correct
8 Correct 2 ms 724 KB Output is correct
9 Correct 1 ms 316 KB Output is correct
10 Correct 2 ms 724 KB Output is correct
11 Correct 4 ms 1236 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 0 ms 320 KB Output is correct
16 Correct 5 ms 1236 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 5 ms 1236 KB Output is correct
19 Correct 2 ms 724 KB Output is correct
20 Correct 3 ms 984 KB Output is correct
21 Correct 3 ms 980 KB Output is correct
22 Correct 2 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 6 ms 1364 KB Output is correct
26 Correct 6 ms 1364 KB Output is correct
27 Correct 4 ms 1236 KB Output is correct
28 Correct 5 ms 1364 KB Output is correct
29 Correct 4 ms 1236 KB Output is correct
30 Correct 7 ms 1496 KB Output is correct
31 Correct 6 ms 1492 KB Output is correct
32 Correct 6 ms 1492 KB Output is correct
33 Correct 7 ms 1484 KB Output is correct
34 Correct 6 ms 1492 KB Output is correct
35 Correct 3 ms 852 KB Output is correct
36 Correct 4 ms 852 KB Output is correct
37 Correct 4 ms 852 KB Output is correct
38 Correct 2 ms 584 KB Output is correct
39 Correct 3 ms 596 KB Output is correct
40 Correct 9 ms 1748 KB Output is correct
41 Correct 2 ms 596 KB Output is correct
42 Correct 9 ms 1748 KB Output is correct
43 Correct 9 ms 1740 KB Output is correct
44 Correct 61 ms 2900 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 10 ms 1748 KB Output is correct
47 Correct 25 ms 2772 KB Output is correct
48 Correct 9 ms 1748 KB Output is correct
49 Correct 23 ms 2896 KB Output is correct
50 Correct 25 ms 2772 KB Output is correct
51 Correct 205 ms 4948 KB Output is correct
52 Correct 4 ms 1236 KB Output is correct
53 Correct 391 ms 5456 KB Output is correct
54 Correct 411 ms 5460 KB Output is correct
55 Correct 6 ms 1236 KB Output is correct
56 Correct 5 ms 1228 KB Output is correct
57 Correct 2 ms 716 KB Output is correct
58 Correct 385 ms 5388 KB Output is correct
59 Correct 9 ms 1732 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 60 ms 2772 KB Output is correct
64 Correct 34 ms 2520 KB Output is correct
65 Correct 10 ms 1688 KB Output is correct
66 Correct 9 ms 1748 KB Output is correct
67 Correct 50 ms 3272 KB Output is correct
68 Correct 33 ms 2516 KB Output is correct
69 Correct 8 ms 1620 KB Output is correct
70 Correct 21 ms 2644 KB Output is correct
71 Correct 49 ms 3156 KB Output is correct
72 Correct 40 ms 3144 KB Output is correct
73 Correct 5 ms 1236 KB Output is correct
74 Correct 22 ms 2700 KB Output is correct
75 Correct 41 ms 3112 KB Output is correct
76 Correct 15 ms 2132 KB Output is correct
77 Correct 85 ms 3668 KB Output is correct
78 Correct 4 ms 1236 KB Output is correct
79 Correct 42 ms 2028 KB Output is correct
80 Correct 13 ms 2132 KB Output is correct
81 Correct 85 ms 3668 KB Output is correct
82 Correct 3 ms 596 KB Output is correct
83 Correct 44 ms 2124 KB Output is correct
84 Correct 40 ms 3028 KB Output is correct
85 Correct 2 ms 584 KB Output is correct
86 Incorrect 40 ms 3032 KB Output isn't correct
87 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 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 1344 KB Output is correct
5 Correct 4 ms 1236 KB Output is correct
6 Correct 5 ms 1212 KB Output is correct
7 Correct 5 ms 1236 KB Output is correct
8 Correct 2 ms 724 KB Output is correct
9 Correct 1 ms 316 KB Output is correct
10 Correct 2 ms 724 KB Output is correct
11 Correct 4 ms 1236 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 0 ms 320 KB Output is correct
16 Correct 5 ms 1236 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 5 ms 1236 KB Output is correct
19 Correct 2 ms 724 KB Output is correct
20 Correct 3 ms 984 KB Output is correct
21 Correct 3 ms 980 KB Output is correct
22 Correct 2 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 6 ms 1364 KB Output is correct
26 Correct 6 ms 1364 KB Output is correct
27 Correct 4 ms 1236 KB Output is correct
28 Correct 5 ms 1364 KB Output is correct
29 Correct 4 ms 1236 KB Output is correct
30 Correct 7 ms 1496 KB Output is correct
31 Correct 6 ms 1492 KB Output is correct
32 Correct 6 ms 1492 KB Output is correct
33 Correct 7 ms 1484 KB Output is correct
34 Correct 6 ms 1492 KB Output is correct
35 Correct 3 ms 852 KB Output is correct
36 Correct 4 ms 852 KB Output is correct
37 Correct 4 ms 852 KB Output is correct
38 Correct 2 ms 584 KB Output is correct
39 Correct 3 ms 596 KB Output is correct
40 Correct 9 ms 1748 KB Output is correct
41 Correct 2 ms 596 KB Output is correct
42 Correct 9 ms 1748 KB Output is correct
43 Correct 9 ms 1740 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 203 ms 19848 KB Output is correct
46 Correct 84 ms 12892 KB Output is correct
47 Correct 211 ms 19952 KB Output is correct
48 Correct 201 ms 19884 KB Output is correct
49 Correct 51 ms 10540 KB Output is correct
50 Correct 220 ms 24624 KB Output is correct
51 Correct 211 ms 20004 KB Output is correct
52 Correct 54 ms 10540 KB Output is correct
53 Correct 52 ms 10460 KB Output is correct
54 Correct 14 ms 5192 KB Output is correct
55 Correct 235 ms 24504 KB Output is correct
56 Correct 31 ms 7892 KB Output is correct
57 Correct 49 ms 10444 KB Output is correct
58 Correct 71 ms 12772 KB Output is correct
59 Correct 30 ms 7880 KB Output is correct
60 Correct 29 ms 7892 KB Output is correct
61 Correct 74 ms 12792 KB Output is correct
62 Correct 50 ms 10532 KB Output is correct
63 Correct 112 ms 14096 KB Output is correct
64 Correct 35 ms 7880 KB Output is correct
65 Correct 144 ms 16424 KB Output is correct
66 Correct 49 ms 10536 KB Output is correct
67 Correct 111 ms 14032 KB Output is correct
68 Correct 145 ms 15812 KB Output is correct
69 Correct 148 ms 16360 KB Output is correct
70 Correct 54 ms 10444 KB Output is correct
71 Correct 136 ms 15764 KB Output is correct
72 Correct 100 ms 13660 KB Output is correct
73 Correct 162 ms 17868 KB Output is correct
74 Correct 54 ms 10492 KB Output is correct
75 Correct 53 ms 7908 KB Output is correct
76 Correct 103 ms 13644 KB Output is correct
77 Correct 186 ms 17920 KB Output is correct
78 Correct 82 ms 9276 KB Output is correct
79 Correct 53 ms 7708 KB Output is correct
80 Correct 23 ms 3924 KB Output is correct
81 Correct 78 ms 9212 KB Output is correct
82 Correct 126 ms 15092 KB Output is correct
83 Correct 23 ms 4012 KB Output is correct
84 Incorrect 120 ms 15112 KB Output isn't correct
85 Halted 0 ms 0 KB -