Submission #956320

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
956320	2024-04-01T15:21:19 Z	serifefedartar	Price List (POI13_cen)	C++17	90 / 100	69 ms	14876 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;

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

int 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] = 1e9;
    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
0 / 10.0

#	Verdict	Memory	Grader output
1	Correct	348 KB	Output is correct
2	Incorrect	348 KB	Output isn't correct
3	Halted	0 KB	-

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct

Subtask #3
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	600 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	376 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct

Subtask #4
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	1884 KB	Output is correct
2	Correct	5 ms	2176 KB	Output is correct
3	Correct	7 ms	2140 KB	Output is correct
4	Correct	8 ms	2136 KB	Output is correct

Subtask #5
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	17 ms	5724 KB	Output is correct
2	Correct	17 ms	6284 KB	Output is correct
3	Correct	18 ms	4444 KB	Output is correct
4	Correct	23 ms	5980 KB	Output is correct

Subtask #6
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	31 ms	9808 KB	Output is correct
2	Correct	31 ms	9296 KB	Output is correct
3	Correct	42 ms	10576 KB	Output is correct
4	Correct	41 ms	10068 KB	Output is correct
5	Correct	34 ms	11092 KB	Output is correct

Subtask #7
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	42 ms	11600 KB	Output is correct
2	Correct	31 ms	9672 KB	Output is correct
3	Correct	65 ms	10708 KB	Output is correct
4	Correct	40 ms	10204 KB	Output is correct
5	Correct	40 ms	12404 KB	Output is correct

Subtask #8
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	48 ms	13404 KB	Output is correct
2	Correct	49 ms	13140 KB	Output is correct
3	Correct	51 ms	11912 KB	Output is correct
4	Correct	44 ms	10064 KB	Output is correct
5	Correct	47 ms	13860 KB	Output is correct

Subtask #9
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	47 ms	12624 KB	Output is correct
2	Correct	59 ms	13648 KB	Output is correct
3	Correct	62 ms	12348 KB	Output is correct
4	Correct	48 ms	10320 KB	Output is correct
5	Correct	48 ms	14876 KB	Output is correct

Subtask #10
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	50 ms	13252 KB	Output is correct
2	Correct	59 ms	14200 KB	Output is correct
3	Correct	69 ms	14564 KB	Output is correct
4	Correct	41 ms	10144 KB	Output is correct
5	Correct	48 ms	14864 KB	Output is correct

Submission #956320

Compilation message