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#include <iostream>
#include <stdio.h>
#include <vector>
#include <queue>
#define NMAX 50000
#define MMAX 2500000
#define INFINIT 100000000
using namespace std;
struct edge {
int to ;
long long cost ;
bool operator< (const edge& a) const {
return cost > a.cost ;
}
};
vector <edge> g [ NMAX + 1 ] ;
priority_queue<edge> q ;
long long dist [ NMAX + 1] ;
void dijkstra (int sursa, int n ) {
int i ;
for (i = 1 ; i <= n ; i++)
dist[i] = INFINIT ;
q.push({sursa, 0}) ;
while (!q.empty()) {
edge next = q.top() ;
if (dist[next.to] == INFINIT ) {
dist[next.to] = next.cost ;
for (auto y : g[next.to] ) {
if (dist[y.to] == INFINIT )
q.push({y.to, y.cost+dist[next.to]}) ;
}
}
q.pop() ;
}
}
int main() {
FILE *fin, *fout ;
fin = fopen ("dijkstra.in", "r" ) ;
fout = fopen ("dijkstra.out", "w" ) ;
int n, m, i, j, a, b ;
long long cost ;
fscanf (fin, "%d%d", &n, &m ) ;
for (i = 0 ; i < m ; i++ ) {
fscanf (fin, "%d%d%lld", &a, &b, &cost ) ;
g[a].push_back({b, cost}) ;
}
dijkstra(1, n) ;
for (i = 2 ; i <= n ; i++ )
fprintf (fout, "%lld ", dist[i] ) ;
return 0;
}