Submission #226162

#	Time	Username	Problem	Language	Result	Execution time	Memory
226162		dolphingarlic	Price List (POI13_cen)	C++14	100 / 100	285 ms	31548 KiB

cen

#include <bits/stdc++.h>
#define FOR(i, x, y) for (int i = x; i < y; i++)
typedef long long ll;
using namespace std;

set<int> graph[100001], second_visit[100001];
int visited[100001];

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int n, m, k, a, b;
	cin >> n >> m >> k >> a >> b;
	FOR(i, 0, m) {
		int u, v;
		cin >> u >> v;
		graph[u].insert(v);
		graph[v].insert(u);
		second_visit[u].insert(v);
		second_visit[v].insert(u);
	}

	priority_queue<pair<int, int>> pq;
	pq.push({-1, k});
	while (pq.size()) {
		pair<int, int> curr = pq.top();
		pq.pop();
		if (!visited[curr.second]) {
			visited[curr.second] = -curr.first;
			for (int i : graph[curr.second]) {
				pq.push({curr.first - a, i});

				vector<int> to_remove;
				for (int j : second_visit[i]) {
					if (graph[curr.second].find(j) == graph[curr.second].end()) {
						to_remove.push_back(j);
						pq.push({curr.first - b, j});
					}
				}
				for (int j : to_remove) second_visit[i].erase(j);
			}
		}
	}

	FOR(i, 1, n + 1) cout << visited[i] - 1 << '\n';
	return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10