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#include <bits/stdc++.h>
#define INFINIT 1000000000
std::vector< std::pair< int, int > > g[50001];
std::priority_queue< std::pair< int, int > > pq;
int d[50001], slct[50001];
int main() {
FILE *fin, *fout;
int n, m, i, c, a, b, x, y, dxy;
fin = fopen( "dijkstra.in", "r" );
fout = fopen( "dijkstra.out", "w" );
fscanf( fin, "%d%d", &n, &m );
for ( i = 0; i < m; i++ ) {
fscanf( fin, "%d%d%d", &a, &b, &c );
g[a].push_back( { c, b } );
}
for ( i = 1; i <= n; i++ )
d[i] = INFINIT;
d[1] = 0;
pq.push( { -d[1], 1 } );
while ( !pq.empty() ) {
while ( !pq.empty() && slct[pq.top().second] ) {
pq.pop();
}
if ( !pq.empty() ) {
x = pq.top().second;
dxy = -pq.top().first;
slct[x] = 1;
for ( i = 0; i < g[x].size(); i++ ) {
y = g[x][i].second;
dxy = g[x][i].first;
if ( d[x] + dxy < d[y] ) {
d[y] = d[x] + dxy;
pq.push( { -d[y], y } );
}
}
}
}
for ( i = 2; i <= n; i++ )
fprintf( fout, "%d ", d[i] );
fclose( fin );
fclose( fout );
return 0;
}