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#include <stdio.h>
#define MAX_N 50000
#define MAX_M 250000
#define MAX_C 30000
#define NIL -1
typedef struct {
int v, cost;
int next;
} List;
typedef struct {
int v;
int next;
} Dial;
Dial c[MAX_M];
int s[MAX_C];
int ptr;
List l[MAX_M];
int adj[MAX_N];
int d[MAX_N];
void addEdge(int u, int v, int cost, int pos) {
l[pos].v = v;
l[pos].cost = cost;
l[pos].next = adj[u];
adj[u] = pos;
}
void emplaceList(int l, int v) {
c[ptr].v = v;
c[ptr].next = s[l];
s[l] = ptr++;
}
int main(void) {
FILE *fin = fopen("dijkstra.in", "r");
FILE *fout = fopen("dijkstra.out", "w");
int n, m, i, j, k;
int u, v, cost;
fscanf( fin, "%d%d", &n, &m );
for ( i = 0; i < MAX_C; i++ ) {
s[i] = NIL;
}
adj[0] = NIL;
d[0] = 0;
emplaceList( 0, 0 );
for ( i = 1; i < n; i++ ) {
adj[i] = NIL;
d[i] = MAX_C;
emplaceList( MAX_C, i );
}
for ( i = 0; i < m; i++ ) {
fscanf( fin, "%d%d%d", &u, &v, &cost );
addEdge( u - 1, v - 1, cost, i );
}
fclose( fin );
for ( i = 0; i < MAX_C; i++ ) {
for ( j = s[i]; j != NIL; j = c[j].next ) {
u = c[j].v;
for ( k = adj[u]; k != NIL; k = l[k].next ) {
v = l[k].v;
cost = d[u] + l[k].cost;
if ( d[v] > cost ) {
d[v] = cost;
emplaceList( cost, v );
}
}
}
}
for ( i = 1; i < n; i++ ) {
fprintf( fout, "%d ", d[i] & -(d[i] != MAX_C) );
}
fclose( fout );
return 0;
}