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#include <stdio.h>
#include <stdlib.h>
#define FIN "dijkstra.in"
#define FOUT "dijkstra.out"
#define oo ((1LL<<31) - 1)
#define MAXN 50005
int nodes,
edges;
typedef struct NODE {
int y,
cost;
struct Node *next;
} *PNODE, NODE;
PNODE ListNodes[ MAXN ];
int distMin[ MAXN ];
char selectedNode[ MAXN ];
void ADDEdge(const int x, const int y, const int cost) {
PNODE newNode = ( PNODE )calloc(1, sizeof( NODE ) );
newNode->y = y;
newNode->cost = cost;
newNode->next = ListNodes[ x ];
ListNodes[ x ] = newNode;
};
void readData() {
int x,
y,
c;
freopen(FIN, "r", stdin);
scanf("%d %d", &nodes, &edges);
for(;edges; edges--) {
scanf("%d %d %d", &x, &y, &c);
ADDEdge(x, y, c);
}
fclose( stdin );
};
void dijkstra() {
PNODE prim = NULL,
last = NULL,
p;
int i,
curr;
for(i = 2; i <= nodes; i++) distMin[ i ] = oo;
distMin[ 1 ] = 0;
selectedNode[ 1 ] = 1;
prim = last = (PNODE)calloc(1,sizeof(NODE));
prim->y = 1;
prim->next = NULL;
while( prim ) {
curr = prim->y;
selectedNode[ curr ] = 0;
for(p = ListNodes[ curr ]; p; p = p->next) {
if(distMin[ p->y ] > distMin[ curr ] + p->cost) {
distMin[ p->y ] = distMin[ curr ] + p->cost;
if(!selectedNode[ p->y ]) {
selectedNode[ p->y ] = 1;
PNODE o = (PNODE)calloc(1, sizeof(NODE));
o->y = p->y;
o->cost = p->cost;
o->next = NULL;
last->next = o;
last = last->next;
}
}
}
PNODE aux = prim;
prim = prim->next;
free( aux );
}
};
void writeData() {
freopen(FOUT, "w", stdout);
int i;
for(i = 2; i <= nodes; i++) printf("%d ", distMin[ i ] < oo ? distMin[ i ] : 0);
fclose( stdout );
}
int main() {
readData();
dijkstra();
writeData();
return(0);
};