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#include <fstream>
#include <queue>
using namespace std;
ifstream fin("dijkstra.in");
ofstream fout("dijkstra.out");
struct Road
{
int len, connect;
};
struct Blah
{
int node, leni;
bool operator < (const Blah other) const
{
Blah bleah;
return bleah.leni < other.leni;
}
};
priority_queue <Blah> pq;
int final[50005];
vector <Road> v[50005];
void Dijkstra()
{
while(!pq.empty())
{
Blah start = pq.top();
pq.pop();
for(int i = 0; i < v[start.node].size(); i++)
{
int length = v[start.node][i].len + final[start.node];
if(length < final[v[start.node][i].connect] || (final[v[start.node][i].connect] == 0 && v[start.node][i].connect != 1))
{
final[v[start.node][i].connect] = length;
pq.push({v[start.node][i].connect,length});
}
}
}
}
int main(void)
{
int n, m;
fin >> n >> m;
for(int i = 0; i < m; i++)
{
int a;
Road node;
fin >> a >> node.connect >> node.len;
v[a].push_back(node);
}
pq.push({1, 0});
Dijkstra();
for(int i = 2; i <= n; i++)
fout << final[i] <<' ';
}