oj.uz

Submission #889591

# Submission time Handle Problem Language Result Execution time Memory
889591 2023-12-20T03:35:17 Z shiomusubi496 Political Development (BOI17_politicaldevelopment) C++17
100 / 100
 381 ms 28876 KB 
#include <bits/stdc++.h>

using namespace std;

#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
#define rrep(i, n) for (int i = (int)(n) - 1; i >= 0; --i)
#define all(v) begin(v), end(v)

int main() {
    int n, k; cin >> n >> k;
    vector<unordered_set<int>> g(n);
    rep (i, n) {
        int d; cin >> d;
        rep (j, d) {
            int a; cin >> a;
            g[i].insert(a);
        }
    }
    vector<int> deg(n);
    vector<bool> used(n, false);
    priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>> que;
    rep (i, n) {
        deg[i] = g[i].size();
        que.emplace(deg[i], i);
    }
    int ans = 0;
    while (!que.empty()) {
        auto [d, v] = que.top(); que.pop();
        if (deg[v] != d) continue;
        vector<int> a;
        for (auto i : g[v]) {
            if (used[i]) continue;
            a.push_back(i);
        }
        int m = a.size();
        rep (bt, 1 << m) {
            vector<int> b;
            rep (i, m) if (bt >> i & 1) b.push_back(a[i]);
            rep (i, b.size()) rep (j, i) {
                if (g[b[i]].count(b[j]) == 0) goto END;
            }
            ans = max(ans, __builtin_popcount(bt) + 1);
            END:;
        }
        used[v] = true;
        for (auto i : g[v]) {
            if (used[i]) continue;
            --deg[i];
            que.emplace(deg[i], i);
        }
    }
    cout << ans << endl;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 5 ms 1624 KB Output is correct
4 Correct 5 ms 1628 KB Output is correct
5 Correct 5 ms 1748 KB Output is correct
6 Correct 8 ms 1884 KB Output is correct
7 Correct 5 ms 1628 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 600 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 5 ms 1624 KB Output is correct
4 Correct 5 ms 1628 KB Output is correct
5 Correct 5 ms 1748 KB Output is correct
6 Correct 8 ms 1884 KB Output is correct
7 Correct 5 ms 1628 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 5 ms 1624 KB Output is correct
12 Correct 5 ms 1700 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 6 ms 1628 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 5 ms 1628 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 5 ms 1528 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 4 ms 1372 KB Output is correct
21 Correct 4 ms 1552 KB Output is correct
22 Correct 1 ms 724 KB Output is correct
23 Correct 6 ms 1628 KB Output is correct
24 Correct 1 ms 604 KB Output is correct
25 Correct 6 ms 1784 KB Output is correct
26 Correct 6 ms 1628 KB Output is correct
27 Correct 5 ms 1572 KB Output is correct
28 Correct 6 ms 1628 KB Output is correct
29 Correct 5 ms 1628 KB Output is correct
30 Correct 7 ms 1628 KB Output is correct
31 Correct 7 ms 1772 KB Output is correct
32 Correct 6 ms 1628 KB Output is correct
33 Correct 6 ms 1628 KB Output is correct
34 Correct 7 ms 1768 KB Output is correct
35 Correct 3 ms 1112 KB Output is correct
36 Correct 3 ms 1136 KB Output is correct
37 Correct 3 ms 1112 KB Output is correct
38 Correct 2 ms 860 KB Output is correct
39 Correct 2 ms 860 KB Output is correct
40 Correct 10 ms 2088 KB Output is correct
41 Correct 2 ms 860 KB Output is correct
42 Correct 10 ms 1884 KB Output is correct
43 Correct 9 ms 2124 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 856 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 374 ms 28332 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 375 ms 27768 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 375 ms 27704 KB Output is correct
16 Correct 374 ms 27648 KB Output is correct
17 Correct 381 ms 27948 KB Output is correct
18 Correct 369 ms 27744 KB Output is correct

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 5 ms 1624 KB Output is correct
4 Correct 5 ms 1628 KB Output is correct
5 Correct 5 ms 1748 KB Output is correct
6 Correct 8 ms 1884 KB Output is correct
7 Correct 5 ms 1628 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 5 ms 1624 KB Output is correct
12 Correct 5 ms 1700 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 6 ms 1628 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 5 ms 1628 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 5 ms 1528 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 4 ms 1372 KB Output is correct
21 Correct 4 ms 1552 KB Output is correct
22 Correct 1 ms 724 KB Output is correct
23 Correct 6 ms 1628 KB Output is correct
24 Correct 1 ms 604 KB Output is correct
25 Correct 6 ms 1784 KB Output is correct
26 Correct 6 ms 1628 KB Output is correct
27 Correct 5 ms 1572 KB Output is correct
28 Correct 6 ms 1628 KB Output is correct
29 Correct 5 ms 1628 KB Output is correct
30 Correct 7 ms 1628 KB Output is correct
31 Correct 7 ms 1772 KB Output is correct
32 Correct 6 ms 1628 KB Output is correct
33 Correct 6 ms 1628 KB Output is correct
34 Correct 7 ms 1768 KB Output is correct
35 Correct 3 ms 1112 KB Output is correct
36 Correct 3 ms 1136 KB Output is correct
37 Correct 3 ms 1112 KB Output is correct
38 Correct 2 ms 860 KB Output is correct
39 Correct 2 ms 860 KB Output is correct
40 Correct 10 ms 2088 KB Output is correct
41 Correct 2 ms 860 KB Output is correct
42 Correct 10 ms 1884 KB Output is correct
43 Correct 9 ms 2124 KB Output is correct
44 Correct 64 ms 2652 KB Output is correct
45 Correct 0 ms 344 KB Output is correct
46 Correct 12 ms 2148 KB Output is correct
47 Correct 22 ms 3040 KB Output is correct
48 Correct 10 ms 2140 KB Output is correct
49 Correct 21 ms 3164 KB Output is correct
50 Correct 22 ms 3416 KB Output is correct
51 Correct 178 ms 5172 KB Output is correct
52 Correct 5 ms 1628 KB Output is correct
53 Correct 320 ms 5524 KB Output is correct
54 Correct 374 ms 5620 KB Output is correct
55 Correct 5 ms 1628 KB Output is correct
56 Correct 6 ms 1628 KB Output is correct
57 Correct 1 ms 860 KB Output is correct
58 Correct 310 ms 5484 KB Output is correct
59 Correct 10 ms 2144 KB Output is correct
60 Correct 5 ms 1628 KB Output is correct
61 Correct 10 ms 2068 KB Output is correct
62 Correct 10 ms 1884 KB Output is correct
63 Correct 68 ms 3028 KB Output is correct
64 Correct 35 ms 2652 KB Output is correct
65 Correct 9 ms 1880 KB Output is correct
66 Correct 10 ms 2024 KB Output is correct
67 Correct 48 ms 3420 KB Output is correct
68 Correct 35 ms 2648 KB Output is correct
69 Correct 8 ms 1880 KB Output is correct
70 Correct 19 ms 2652 KB Output is correct
71 Correct 48 ms 3372 KB Output is correct
72 Correct 44 ms 3412 KB Output is correct
73 Correct 5 ms 1628 KB Output is correct
74 Correct 20 ms 2708 KB Output is correct
75 Correct 37 ms 3340 KB Output is correct
76 Correct 12 ms 2396 KB Output is correct
77 Correct 71 ms 3796 KB Output is correct
78 Correct 5 ms 1624 KB Output is correct
79 Correct 35 ms 2140 KB Output is correct
80 Correct 12 ms 2392 KB Output is correct
81 Correct 71 ms 3792 KB Output is correct
82 Correct 2 ms 860 KB Output is correct
83 Correct 40 ms 2068 KB Output is correct
84 Correct 33 ms 3436 KB Output is correct
85 Correct 2 ms 892 KB Output is correct
86 Correct 34 ms 3156 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 5 ms 1624 KB Output is correct
4 Correct 5 ms 1628 KB Output is correct
5 Correct 5 ms 1748 KB Output is correct
6 Correct 8 ms 1884 KB Output is correct
7 Correct 5 ms 1628 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 5 ms 1624 KB Output is correct
12 Correct 5 ms 1700 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 6 ms 1628 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 5 ms 1628 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 5 ms 1528 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 4 ms 1372 KB Output is correct
21 Correct 4 ms 1552 KB Output is correct
22 Correct 1 ms 724 KB Output is correct
23 Correct 6 ms 1628 KB Output is correct
24 Correct 1 ms 604 KB Output is correct
25 Correct 6 ms 1784 KB Output is correct
26 Correct 6 ms 1628 KB Output is correct
27 Correct 5 ms 1572 KB Output is correct
28 Correct 6 ms 1628 KB Output is correct
29 Correct 5 ms 1628 KB Output is correct
30 Correct 7 ms 1628 KB Output is correct
31 Correct 7 ms 1772 KB Output is correct
32 Correct 6 ms 1628 KB Output is correct
33 Correct 6 ms 1628 KB Output is correct
34 Correct 7 ms 1768 KB Output is correct
35 Correct 3 ms 1112 KB Output is correct
36 Correct 3 ms 1136 KB Output is correct
37 Correct 3 ms 1112 KB Output is correct
38 Correct 2 ms 860 KB Output is correct
39 Correct 2 ms 860 KB Output is correct
40 Correct 10 ms 2088 KB Output is correct
41 Correct 2 ms 860 KB Output is correct
42 Correct 10 ms 1884 KB Output is correct
43 Correct 9 ms 2124 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 184 ms 22328 KB Output is correct
46 Correct 77 ms 15568 KB Output is correct
47 Correct 160 ms 22476 KB Output is correct
48 Correct 157 ms 22472 KB Output is correct
49 Correct 53 ms 14208 KB Output is correct
50 Correct 185 ms 28768 KB Output is correct
51 Correct 161 ms 22428 KB Output is correct
52 Correct 57 ms 13656 KB Output is correct
53 Correct 51 ms 14180 KB Output is correct
54 Correct 11 ms 4056 KB Output is correct
55 Correct 185 ms 28876 KB Output is correct
56 Correct 37 ms 11216 KB Output is correct
57 Correct 53 ms 13516 KB Output is correct
58 Correct 79 ms 15048 KB Output is correct
59 Correct 37 ms 11212 KB Output is correct
60 Correct 37 ms 11336 KB Output is correct
61 Correct 80 ms 15016 KB Output is correct
62 Correct 55 ms 13260 KB Output is correct
63 Correct 93 ms 16336 KB Output is correct
64 Correct 36 ms 11312 KB Output is correct
65 Correct 120 ms 18388 KB Output is correct
66 Correct 55 ms 13264 KB Output is correct
67 Correct 94 ms 16560 KB Output is correct
68 Correct 114 ms 17872 KB Output is correct
69 Correct 119 ms 18388 KB Output is correct
70 Correct 55 ms 13260 KB Output is correct
71 Correct 126 ms 17876 KB Output is correct
72 Correct 88 ms 16596 KB Output is correct
73 Correct 149 ms 19640 KB Output is correct
74 Correct 54 ms 13260 KB Output is correct
75 Correct 48 ms 8836 KB Output is correct
76 Correct 88 ms 16588 KB Output is correct
77 Correct 133 ms 19556 KB Output is correct
78 Correct 63 ms 9844 KB Output is correct
79 Correct 50 ms 8656 KB Output is correct
80 Correct 22 ms 4820 KB Output is correct
81 Correct 63 ms 9868 KB Output is correct
82 Correct 104 ms 17372 KB Output is correct
83 Correct 27 ms 4948 KB Output is correct
84 Correct 103 ms 17472 KB Output is correct