oj.uz

Submission #930418

# Submission time Handle Problem Language Result Execution time Memory
930418 2024-02-19T15:08:08 Z vjudge1 Voting Cities (NOI22_votingcity) C++17
100 / 100
 118 ms 11968 KB 
#include <bits/stdc++.h>

using namespace std;


signed main() {

    cin.tie(0);
    cout.tie(0);
    ios_base::sync_with_stdio(0);

    int n, e, special;
    cin >> n >> e >> special;

    vector<bool> is_special(n, false);
    for (int i = 0; i < special; i++) {
        int x;
        cin >> x;
        is_special[x] = true;
    }

    vector<vector<pair<int, long long>>> g(n), rev_g(n);

    for (int i = 0; i < e; i++) {
        int u, v, w;
        cin >> u >> v >> w;
        g[u].emplace_back(v, w);
        rev_g[v].emplace_back(u, w);
    }

    vector<vector<long long>> dist(n, vector<long long>((1 << 5) + 1, 0));
    vector<vector<bool>> visited(n, vector<bool>((1 << 5) + 1, 0));

    priority_queue<pair<long long, pair<int, int>>, vector<pair<long long, pair<int, int>>>, greater<>> pq;
    // totalCost, mask, node

    for (int i = 0; i < n; i++)
        if (is_special[i]) {
            pq.push({0, {0, i}});
        }

    while (!pq.empty()) {
        auto [totalCost, state] = pq.top();
        pq.pop();

        auto [mask, node] = state;

        if (visited[node][mask]) continue;
        visited[node][mask] = true;

        dist[node][mask] = totalCost;

        for (auto [v, w]: rev_g[node]) {
            for (int bit = 0; bit < 5; bit++) {
                bool isSet = mask & (1 << bit);
                if (isSet) continue;

                int newMask = mask | (1 << bit);

                if (visited[v][newMask]) continue;

                long long newPrice = (w * 10 - w * (bit + 1)) / 10 + totalCost;

                if (!visited[v][newMask]) {
                    pq.push({newPrice, {newMask, v}});
                }
            }
        }

        for (auto [v, w]: rev_g[node]) {
            if (visited[v][mask]) continue;
            long long newPrice = w + totalCost;
            pq.push({newPrice, {mask, v}});
        }
    }


    int q;
    cin >> q;

    while (q--) {
        int src;
        cin >> src;

        vector<int> ticket_price(5);
        for (int i = 0; i < 5; i++) cin >> ticket_price[i];


        long long ans = 1e16;


        for (long long i = 0, tmp = 0; i < (1 << 5); i++) {
            if (visited[src][i]) {
                for (int j = 0; j < 5; j++) {
                    if (i & (1 << j)) {
                        if (ticket_price[j] == -1) {
                            tmp = 1e16;
                            break;
                        } else tmp += ticket_price[j];
                    }
                }
                ans = min(ans, tmp + dist[src][i]);
            }

            tmp = 0;
        }

        if (ans >= 1e16) cout << -1 << '\n';
        else cout << ans << '\n';
    }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 5076 KB Output is correct
2 Correct 32 ms 2908 KB Output is correct
3 Correct 84 ms 5160 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 5076 KB Output is correct
2 Correct 32 ms 2908 KB Output is correct
3 Correct 84 ms 5160 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 77 ms 5332 KB Output is correct
7 Correct 34 ms 2904 KB Output is correct
8 Correct 79 ms 5324 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 5076 KB Output is correct
2 Correct 32 ms 2908 KB Output is correct
3 Correct 84 ms 5160 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 77 ms 5332 KB Output is correct
7 Correct 34 ms 2904 KB Output is correct
8 Correct 79 ms 5324 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 106 ms 9168 KB Output is correct
12 Correct 38 ms 2908 KB Output is correct
13 Correct 85 ms 5332 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 0 ms 348 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 5076 KB Output is correct
2 Correct 32 ms 2908 KB Output is correct
3 Correct 84 ms 5160 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 4 ms 3164 KB Output is correct
7 Correct 33 ms 2908 KB Output is correct
8 Correct 97 ms 5220 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 5076 KB Output is correct
2 Correct 32 ms 2908 KB Output is correct
3 Correct 84 ms 5160 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 77 ms 5332 KB Output is correct
7 Correct 34 ms 2904 KB Output is correct
8 Correct 79 ms 5324 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 4 ms 3164 KB Output is correct
12 Correct 33 ms 2908 KB Output is correct
13 Correct 97 ms 5220 KB Output is correct
14 Correct 73 ms 5328 KB Output is correct
15 Correct 33 ms 2908 KB Output is correct
16 Correct 82 ms 5340 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 88 ms 8596 KB Output is correct
2 Correct 99 ms 7876 KB Output is correct
3 Correct 57 ms 3552 KB Output is correct
4 Correct 89 ms 5332 KB Output is correct

Subtask #7
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 1492 KB Output is correct
2 Correct 9 ms 1492 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 8 ms 1488 KB Output is correct
5 Correct 9 ms 1488 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 9 ms 1492 KB Output is correct
8 Correct 9 ms 1748 KB Output is correct

Subtask #8
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 5076 KB Output is correct
2 Correct 32 ms 2908 KB Output is correct
3 Correct 84 ms 5160 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 77 ms 5332 KB Output is correct
7 Correct 34 ms 2904 KB Output is correct
8 Correct 79 ms 5324 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 106 ms 9168 KB Output is correct
12 Correct 38 ms 2908 KB Output is correct
13 Correct 85 ms 5332 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 4 ms 3164 KB Output is correct
17 Correct 33 ms 2908 KB Output is correct
18 Correct 97 ms 5220 KB Output is correct
19 Correct 73 ms 5328 KB Output is correct
20 Correct 33 ms 2908 KB Output is correct
21 Correct 82 ms 5340 KB Output is correct
22 Correct 88 ms 8596 KB Output is correct
23 Correct 99 ms 7876 KB Output is correct
24 Correct 57 ms 3552 KB Output is correct
25 Correct 89 ms 5332 KB Output is correct
26 Correct 10 ms 1492 KB Output is correct
27 Correct 9 ms 1492 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 8 ms 1488 KB Output is correct
30 Correct 9 ms 1488 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 9 ms 1492 KB Output is correct
33 Correct 9 ms 1748 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 98 ms 8404 KB Output is correct
38 Correct 114 ms 11716 KB Output is correct
39 Correct 82 ms 5324 KB Output is correct
40 Correct 2 ms 2396 KB Output is correct
41 Correct 3 ms 2652 KB Output is correct
42 Correct 105 ms 9028 KB Output is correct
43 Correct 118 ms 11968 KB Output is correct
44 Correct 81 ms 5332 KB Output is correct
45 Correct 55 ms 3164 KB Output is correct