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#include <vector>
#include <fstream>
#include <iostream>
#include <queue>
using namespace std;
vector<int> dijkstra(const vector<vector<pair<int, int>>>& graph, int start)
{
int n = graph.size();
vector<int> dist(n, 1e9);
dist[start] = 0;
priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int,int>>> pq;
pq.emplace(dist[start], start);
while(!pq.empty())
{
pair<int, int> top = pq.top();
int c = top.first;
int node = top.second;
pq.pop();
if(c > dist[node]) continue;
for(pair<int, int> p: graph[node])
{
int new_cost = c + p.second;
if(new_cost < dist[p.first])
{
dist[p.first] = new_cost;
pq.emplace(dist[p.first], p.first);
}
}
}
for(int i = 1; i <= n; i++) {
if(dist[i] == 1e9) {
dist[i] = 0;
}
}
return dist;
}
int main()
{
ifstream fin("dijkstra.in");
ofstream fout("dijkstra.out");
int n, m;
fin >> n >> m;
vector<vector<pair<int, int>>> graph(n + 1);
for(int i = 0; i < m; i++) {
int a, b, c;
fin >> a >> b >> c;
graph[a].emplace_back(b, c);
}
vector<int> result = dijkstra(graph, 1);
for(int i = 2; i <= n; i++) {
fout << result[i] << ' ';
}
return 0;
}