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#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <vector>
#include <queue>
#define MAXN 50004
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
using namespace std;
struct XYZ{
int node,cost;
};
struct ABC{
int neigh,cost;
};
vector <ABC> graf[MAXN];
queue <XYZ> q;
int cost[MAXN];
int seen[MAXN];
void DFS(XYZ node){
cost[node.node]=0;
seen[node.node]=1;
q.push(node);
while(!q.empty()){
node=q.front();
q.pop();
for(ABC neigh : graf[node.node]){
if(seen[neigh.neigh]==0 || cost[neigh.neigh]>cost[node.node]+neigh.cost){
cost[neigh.neigh]=cost[node.node]+neigh.cost;
seen[neigh.neigh]=1;
q.push({neigh.neigh,cost[neigh.neigh]});
}
}
}
}
int main(){
int n,m,x,y,z,i;
FILE *fin,*fout;
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",&x,&y,&z);
graf[x].push_back({y,z});
}
DFS({1,0});
for(i=2;i<=n;i++){
fprintf(fout,"%d ",cost[i]);
}
fprintf(fout,"\n");
fclose(fin);
fclose(fout);
return 0;
}