oj.uz

Submission #520445

# Submission time Handle Problem Language Result Execution time Memory
520445 2022-01-30T02:38:37 Z KoD Newspapers (CEOI21_newspapers) C++17
12 / 100
 727 ms 524292 KB 
#include <bits/stdc++.h>

using std::vector;
using std::array;
using std::pair;
using std::tuple;

int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
    int N, M;
    std::cin >> N >> M;
    vector<vector<int>> graph(N);
    for (int i = 0; i < M; ++i) {
        int a, b;
        std::cin >> a >> b;
        a -= 1, b -= 1;
        graph[a].push_back(b);
        graph[b].push_back(a);
    }
    vector<int> adj(1 << N);
    for (int set = 0; set < (1 << N); ++set) {
        for (int i = 0; i < N; ++i) {
            if (set >> i & 1) {
                for (const int j : graph[i]) {
                    adj[set] |= 1 << j;
                }
            }
        }
    }
    vector<vector<pair<int, int>>> transit(1 << N);
    for (int set = 0; set < (1 << N); ++set) {
        for (int i = 0; i < N; ++i) {
            transit[adj[set] & ~(1 << i)].emplace_back(set, i);
        }
    }
    vector<int> dist(1 << N, -1), last(1 << N, -1);
    std::queue<int> que;
    const auto push = [&](const int u, const int d, const int l) {
        if (dist[u] == -1) {
            dist[u] = d;
            last[u] = l;
            que.push(u);
        }
    };
    push(0, 0, -1);
    while (!que.empty()) {
        const int u = que.front();
        que.pop();
        for (const auto& [v, i] : transit[u]) {
            push(v, dist[u] + 1, i);
        }
    }
    int set = (1 << N) - 1;
    if (dist[set] == -1) {
        std::cout << "NO\n";
        return 0;
    }
    std::cout << "YES\n";
    std::cout << dist[set] << '\n';
    while (set != 0) {
        std::cout << last[set] + 1;
        set = adj[set] & ~(1 << last[set]);
        std::cout << " \n"[set == 0];
    }
    return 0;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 1 ms 588 KB Output is correct
20 Correct 1 ms 588 KB Output is correct
21 Correct 1 ms 588 KB Output is correct
22 Correct 1 ms 588 KB Output is correct
23 Correct 2 ms 972 KB Output is correct
24 Correct 2 ms 972 KB Output is correct
25 Correct 2 ms 972 KB Output is correct
26 Correct 2 ms 972 KB Output is correct
27 Correct 3 ms 1868 KB Output is correct
28 Correct 3 ms 1868 KB Output is correct
29 Correct 4 ms 1868 KB Output is correct
30 Correct 4 ms 1868 KB Output is correct
31 Correct 6 ms 3388 KB Output is correct
32 Correct 7 ms 3404 KB Output is correct
33 Correct 8 ms 3532 KB Output is correct
34 Correct 5 ms 3532 KB Output is correct
35 Correct 14 ms 6732 KB Output is correct
36 Correct 15 ms 7244 KB Output is correct
37 Correct 15 ms 6972 KB Output is correct
38 Correct 16 ms 6860 KB Output is correct
39 Correct 31 ms 14384 KB Output is correct
40 Correct 33 ms 13312 KB Output is correct
41 Correct 27 ms 12868 KB Output is correct
42 Correct 31 ms 14684 KB Output is correct
43 Correct 69 ms 28860 KB Output is correct
44 Correct 55 ms 28672 KB Output is correct
45 Correct 57 ms 28464 KB Output is correct
46 Correct 65 ms 30384 KB Output is correct
47 Correct 122 ms 58564 KB Output is correct
48 Correct 134 ms 60048 KB Output is correct
49 Correct 118 ms 60704 KB Output is correct
50 Correct 124 ms 61508 KB Output is correct
51 Correct 243 ms 117416 KB Output is correct
52 Correct 238 ms 121588 KB Output is correct
53 Correct 245 ms 119488 KB Output is correct
54 Correct 262 ms 116364 KB Output is correct
55 Correct 545 ms 251356 KB Output is correct
56 Correct 460 ms 228564 KB Output is correct
57 Correct 727 ms 265032 KB Output is correct
58 Correct 650 ms 255832 KB Output is correct
59 Correct 508 ms 201692 KB Output is correct
60 Correct 475 ms 202184 KB Output is correct
61 Correct 470 ms 224516 KB Output is correct
62 Correct 495 ms 222164 KB Output is correct
63 Correct 516 ms 202064 KB Output is correct
64 Correct 528 ms 201508 KB Output is correct

Subtask #2
0.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Runtime error 80 ms 4208 KB Execution killed with signal 11
12 Halted 0 ms 0 KB -

Subtask #3
0.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 1 ms 588 KB Output is correct
20 Correct 1 ms 588 KB Output is correct
21 Correct 1 ms 588 KB Output is correct
22 Correct 1 ms 588 KB Output is correct
23 Correct 2 ms 972 KB Output is correct
24 Correct 2 ms 972 KB Output is correct
25 Correct 2 ms 972 KB Output is correct
26 Correct 2 ms 972 KB Output is correct
27 Correct 3 ms 1868 KB Output is correct
28 Correct 3 ms 1868 KB Output is correct
29 Correct 4 ms 1868 KB Output is correct
30 Correct 4 ms 1868 KB Output is correct
31 Correct 6 ms 3388 KB Output is correct
32 Correct 7 ms 3404 KB Output is correct
33 Correct 8 ms 3532 KB Output is correct
34 Correct 5 ms 3532 KB Output is correct
35 Correct 14 ms 6732 KB Output is correct
36 Correct 15 ms 7244 KB Output is correct
37 Correct 15 ms 6972 KB Output is correct
38 Correct 16 ms 6860 KB Output is correct
39 Correct 31 ms 14384 KB Output is correct
40 Correct 33 ms 13312 KB Output is correct
41 Correct 27 ms 12868 KB Output is correct
42 Correct 31 ms 14684 KB Output is correct
43 Correct 69 ms 28860 KB Output is correct
44 Correct 55 ms 28672 KB Output is correct
45 Correct 57 ms 28464 KB Output is correct
46 Correct 65 ms 30384 KB Output is correct
47 Correct 122 ms 58564 KB Output is correct
48 Correct 134 ms 60048 KB Output is correct
49 Correct 118 ms 60704 KB Output is correct
50 Correct 124 ms 61508 KB Output is correct
51 Correct 243 ms 117416 KB Output is correct
52 Correct 238 ms 121588 KB Output is correct
53 Correct 245 ms 119488 KB Output is correct
54 Correct 262 ms 116364 KB Output is correct
55 Correct 545 ms 251356 KB Output is correct
56 Correct 460 ms 228564 KB Output is correct
57 Correct 727 ms 265032 KB Output is correct
58 Correct 650 ms 255832 KB Output is correct
59 Correct 508 ms 201692 KB Output is correct
60 Correct 475 ms 202184 KB Output is correct
61 Correct 470 ms 224516 KB Output is correct
62 Correct 495 ms 222164 KB Output is correct
63 Correct 516 ms 202064 KB Output is correct
64 Correct 528 ms 201508 KB Output is correct
65 Correct 0 ms 312 KB Output is correct
66 Correct 0 ms 204 KB Output is correct
67 Correct 1 ms 204 KB Output is correct
68 Correct 1 ms 312 KB Output is correct
69 Correct 0 ms 204 KB Output is correct
70 Correct 0 ms 204 KB Output is correct
71 Correct 1 ms 204 KB Output is correct
72 Correct 1 ms 312 KB Output is correct
73 Correct 1 ms 440 KB Output is correct
74 Correct 1 ms 332 KB Output is correct
75 Correct 1 ms 332 KB Output is correct
76 Correct 1 ms 332 KB Output is correct
77 Correct 0 ms 332 KB Output is correct
78 Correct 0 ms 316 KB Output is correct
79 Runtime error 199 ms 524292 KB Execution killed with signal 9
80 Halted 0 ms 0 KB -