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#include<iostream>
#include<algorithm>
#include<vector>
#include<unordered_map>
#include<map>
#include<queue>
#include<utility>
using namespace std;
typedef unordered_map< int, vector<pair<int, int> > > Graph;
// map<int, int> dijkstra(Graph &G, int start) {
// int N = G.size();
// map<int, int> dist;
// priority_queue<pair<int, int>, vector<pair<int, int> >, greater<pair<int, int > > > heap;
// heap.push(make_pair(0, start));
// while (dist.size() < N) {
// pair<int, int> node = heap.top();
// int d = node.first;
// heap.pop();
// dist[node.second] = d;
// for (auto &it : G[node.second]) {
// heap.push(make_pair(d + it.second, it.first));
// }
// }
// return dist;
// }
void dijkstra(Graph &G, int start, int N, vector<int>& dist) {
priority_queue<pair<int, int>, vector<pair<int, int> >, greater<pair<int, int > > > heap;
heap.push(make_pair(0, start));
while (N) {
pair<int, int> node = heap.top();
int d = node.first;
heap.pop();
dist[node.second] = d;
N--;
for (auto &it : G[node.second]) {
heap.push(make_pair(d + it.second, it.first));
}
}
}
int main() {
freopen("dijkstra.in", "r", stdin);
freopen("dijkstra.out", "w", stdout);
int N, M, x, y, c, i;
vector<int> dist(N + 1, 0);
Graph G;
cin >> N >> M;
for (i = 0; i < M; i++) {
cin >> x >> y >> c;
G[x].push_back(make_pair(y, c));
}
int start = 1;
dijkstra(G, start, N, dist);
for (i = 2; i <= N; i++) {
cout << dist[i] << ' ';
}
return 0;
}