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#include <fstream>
#include <vector>
#include <queue>
#define INF 1<<30
#define MAX 50010
using namespace std;
struct data{
int weight, node;
} nd;
int n, m, dist[MAX];
vector <data> v[MAX];
priority_queue< pair<int, int> > q;
void read();
void dijktra();
void write();
int main(){
read();
dijktra();
write();
return 0;
}
void read(){
ifstream fin ("dijkstra.in");
fin >> n >> m;
q.push(make_pair(0, 1));
for (int i = 0; i < m; ++i){
int x, y, c;
fin >> x >> y >> c;
nd.weight = c, nd.node = y;
v[x].push_back(nd);
}
for (int i = 2; i <= n; ++i)
dist[i] = INF;
fin.close();
}
void dijktra(){
while (!q.empty()){
int k = q.top().second;
int c = -q.top().first;
q.pop();
for (unsigned int i = 0; i < v[k].size(); ++i)
if (dist[v[k][i].node] > c+v[k][i].weight)
dist[v[k][i].node] = c + v[k][i].weight,
q.push(make_pair(-dist[v[k][i].node], v[k][i].node));
}
}
void write(){
ofstream fout ("dijkstra.out");
for (int i = 2; i <= n; ++i)
fout << (dist[i] == INF ? 0 : dist[i]) << " ";
fout << "\n";
fout.close();
}