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#include <iostream>
#include <fstream>
#include <queue>
#include <vector>
#include <algorithm>
#include <climits>
#define Nmax 50005
#define INF INT_MAX - 1
using namespace std;
ifstream in("dijkstra.in");
ofstream out("dijkstra.out");
vector <pair<int, int>> graf[Nmax];
/*
Liste de vecini
nod x: (vecin y1, cost arc x-y1), (vecin y2 cost arc x-y2)
1: (2, 1), (4, 2)
2: (3, 2)
3: (5, 6)
4: (3, 4), (5,3)
5:
*/
int n, m;
int d[Nmax];
bool visited[Nmax];
priority_queue <pair<int, int>> H;
void dj(int s) {
// inserez in heap perechea (0- dist, nodul_sursa)
H.push({0, s});
d[s] = 0;
int x,y,c;
while(!H.empty()) {
while (!H.empty() && visited[H.top().second] == true) {
H.pop();
}
if(H.empty()){
break;
}
x = H.top().second;
visited[x] = true;
// parcurgem vecinii y ai lui x
for (int i = 0; i < graf[x].size();i++){
y = graf[x][i].first;
c = graf[x][i].second;
if(d[y] > d[x] + c){
d[y] = d[x] + c;
H.push({-d[y], y });
}
}
}
}
int main()
{
int x, y, c;
in>>n>>m;
for(int i=1; i<=m; i++){
in >> x >> y >> c;
graf[x].push_back({y, c});
}
// afisare lista de vecini
/*
for (int i = 1; i <= n; i++) {
out << i << ": ";
for (int j = 0; j < graf[i].size(); j++) {
y = graf[i][j].first;
c = graf[i][j].second;
out << "(" << y << ", " << c << ") ";
}
out << '\n';
}
*/
for (int i = 1; i <= n; i++) {
d[i] = INF;
}
dj(1);
for (int i = 2; i <= n; i++) {
out << d[i] << " ";
}
return 0;
}