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답안 #956325

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
956325 2024-04-01T15:41:26 Z serifefedartar Price List (POI13_cen) C++17
50 / 100
 69 ms 15452 KB 
#include <bits/stdc++.h>
using namespace std;

#define fast ios::sync_with_stdio(0);cin.tie(0);
typedef long long ll;
#define f first
#define s second
#define LOGN 20
const ll MOD = 998244353;
const ll MAXN = 1e5 + 100;

#define int long long
vector<vector<int>> graph, graph2;
int dist1[MAXN], dist2[MAXN], vis[MAXN];

signed main() {
    fast
    int n, m, k, a, b;
    cin >> n >> m >> k >> a >> b;

    graph = vector<vector<int>>(n+1, vector<int>());
    for (int i = 0; i < m; i++) {
        int q, p;
        cin >> q >> p;
        graph[q].push_back(p);
        graph[p].push_back(q);
    }
    graph2 = graph;
    for (int i = 1; i <= n; i++)
        sort(graph[i].begin(), graph[i].end());

    queue<pair<int,int>> q;
    q.push({0, k});
    for (int i = 0; i <= n; i++)
        dist1[i] = dist2[i] = 1e15;
    dist2[k] = dist1[k] = 0;
    while (!q.empty()) {
        int node = q.front().s;
        q.pop();

        if (vis[node])
            continue;
        vis[node] = true;

        for (auto u : graph[node]) {
            if (dist1[u] > dist1[node] + 1) {
                dist1[u] = dist1[node] + 1;
                q.push({dist1[u], u});
            }
        }
    }
    
    for (int i = 0; i <= n; i++)
        vis[i] = false;
    q.push({0, k});
    vis[k] = true;
    while (!q.empty()) {
        int node = q.front().s;
        q.pop();

        for (auto node1 : graph[node]) {
            for (auto node2 : graph2[node1]) {
                if (vis[node2])
                    continue;
                if (*lower_bound(graph[node].begin(), graph[node].end(), node2) == node2)
                    continue;
                dist2[node2] = dist2[node] + 1;
                vis[node2] = true;
                q.push({dist2[node2], node2});
            }

            vector<int> v;
            for (auto node2 : graph2[node1])
                if (!vis[node2])
                    v.push_back(node2);
            swap(graph2[node1], v);
        }
    }

    for (int i = 1; i <= n; i++) {
        if (dist1[i] % 2 == 0)
            cout << min(dist1[i] * a, (dist1[i] / 2) * b) << "\n";
        else
            cout << min({dist1[i] * a, dist2[i] * b, (dist1[i] / 2) * b + a}) << "\n";
    }
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 2 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 3932 KB Output is correct
2 Correct 6 ms 3928 KB Output is correct
3 Correct 8 ms 4188 KB Output is correct
4 Correct 8 ms 4004 KB Output is correct

Subtask #5
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 21 ms 7736 KB Output is correct
2 Correct 18 ms 7608 KB Output is correct
3 Incorrect 19 ms 6492 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 33 ms 11572 KB Output is correct
2 Correct 36 ms 10008 KB Output is correct
3 Incorrect 44 ms 11604 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 50 ms 12884 KB Output is correct
2 Correct 31 ms 10332 KB Output is correct
3 Incorrect 48 ms 11856 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 57 ms 14900 KB Output is correct
2 Correct 43 ms 13652 KB Output is correct
3 Incorrect 50 ms 12880 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 57 ms 13904 KB Output is correct
2 Correct 62 ms 13896 KB Output is correct
3 Incorrect 63 ms 13284 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #10
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 56 ms 14404 KB Output is correct
2 Correct 53 ms 14356 KB Output is correct
3 Correct 69 ms 14820 KB Output is correct
4 Correct 42 ms 11600 KB Output is correct
5 Correct 47 ms 15452 KB Output is correct