// Dijkstra算法,链式前向星存图的边
// Created by jal on 18-9-2.
//
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 100;
const int MAXM = 100*100;
struct Edge{
int val, to, next;
};
int head[MAXN];
Edge edges[MAXM];
int ct = 1;
int dis[MAXN];
int vis[MAXN];
int n,m;
void add(int u, int v, int w){
edges[ct].val = w;
edges[ct].to = v;
edges[ct].next = head[u];
head[u] = ct++;
}
const int MAXVALUE = 0xfffff;
int Dijkstra(int source){
for(int i = 1; i <= n; i++){
dis[i] = MAXVALUE;
}
memset(vis, 0, sizeof(vis));
vis[source] = 1;
dis[source] = 0;
for(int i = head[source]; ~i; i = edges[i].next){
int v = edges[i].to, w = edges[i].val;
dis[v] = w;
}
for(int t = 1; t < n; t++){
int p,min_p = MAXVALUE;
for(int i = 1; i <= n; i++){
if(vis[i] == 0 && dis[i] < min_p){
min_p = dis[i];
p = i;
}
}
vis[p] = 1;
for(int i = head[p]; ~i; i = edges[i].next){
int v = edges[i].to, w = edges[i].val;
if(dis[p] + w < dis[v]){
dis[v] = dis[p] + w;
}
}
}
for(int i = 1; i <= n; i++){
cout << dis[i] << " ";
}
cout << endl;
}
int main() {
cin >> n >> m;
memset(head, -1, sizeof(head));
for(int i = 1; i <= m; i++){
int u,v,w;
cin >> u >> v >> w;
add(u,v,w);
add(v,u,w);
}
Dijkstra(1);
}
/* input: 6 9 1 2 1 1 3 12 2 3 9 2 4 3 3 5 5 4 3 4 4 5 13 4 6 15 5 6 4 output: 0 1 8 4 13 17 */