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/*#include <iostream>
#include <fstream>
#include <vector>
#include <set>
using namespace std;
typedef pair<int, int> pi;
vector<pi> graph[50005];
set<pi> s;
int d[50005];
int main()
{
ifstream f("dijkstra.in");
ofstream g("dijkstra.out");
int n, m;
f>>n>>m;
int x, y, z;
for(int i=0; i<m; i++)
{
f>>x>>y>>z;
graph[x].push_back(make_pair(y,z));
}
for(int i=2; i<=n; i++)
d[i] = 20001;
s.insert(make_pair(0,1));
while(!s.empty())
{
int k = s.begin()->second;
s.erase(s.begin());
for(auto edge : graph[k])
{
int newDist = d[k] + edge.second;
if(newDist < d[edge.first])
{
if(d[edge.first] != 20001)
s.erase(s.find(make_pair(d[edge.first], edge.first)));
d[edge.first] = newDist;
s.insert(make_pair(newDist, edge.first));
}
}
}
for(int i=2; i<=n; i++)
if(d[i] == 20001)
g<<0<<" ";
else
g<<d[i]<<" ";
g<<"\n";
return 0;
}*/
#include <algorithm>
#include <fstream>
#include <cstring>
#include <vector>
#include <set>
using namespace std;
const int NMAX = 50005;
const int INF = 0x3f3f3f3f;
vector<pair<int, int>> G[NMAX];
int dist[NMAX];
int main() {
ifstream fin("dijkstra.in");
ofstream fout("dijkstra.out");
int n, m;
fin >> n >> m;
for (int i = 0; i < m; ++i) {
int from, to, cost;
fin >> from >> to >> cost;
G[from].push_back(make_pair(to, cost));
}
memset(dist, INF, sizeof dist);
dist[1] = 0;
set<pair<int, int>> h;
h.insert(make_pair(0, 1));
while (!h.empty()) {
int node = h.begin()->second;
int d = h.begin()->first;
h.erase(h.begin());
for (vector<pair<int, int>>::iterator it = G[node].begin(); it != G[node].end(); ++it) {
int to = it->first;
int cost = it->second;
if (dist[to] > dist[node] + cost) {
if (dist[to] != INF) {
h.erase(h.find(make_pair(dist[to], to)));
}
dist[to] = dist[node] + cost;
h.insert(make_pair(dist[to], to));
}
}
}
for (int i = 2; i <= n; ++i) {
if (dist[i] == INF) {
dist[i] = 0;
}
fout << dist[i] << ' ';
}
fout << '\n';
fin.close();
fout.close();
}