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#include<iostream>
#include<fstream>
#include<vector>
#include<queue>
using namespace std;
#define NMAX 50001
#define INF (1<<30)
struct Nod {
int y,cost;
Nod() {
y=0;
cost=0;
}
inline Nod(int _y, int _cost) {
y=_y;
cost=_cost;
}
inline bool operator < (const Nod &x) const {
return cost>x.cost;
}
};
priority_queue <Nod> c;
int viz[NMAX];
class Graph {
vector <Nod> v[NMAX];
int n;
public:
Graph (int _n) {
n=_n;
}
Graph () {
n=0;
}
void addEdge(int x, int y, int cost = 0) {
v[x].push_back(Nod(y,cost));
}
void setNodes(int _n) {
n=_n;
}
void dijkstra(int nod, int d[]) {
int i;
for(i=1;i<=n;i++) {
d[i]=INF;
viz[i]=0;
}
d[nod]=0;
c.push(Nod(nod,0));
while(c.empty()==0) {
nod=c.top().y;
c.pop();
if(viz[nod]==0) {
viz[nod]=1;
for(vector <Nod> :: iterator it=v[nod].begin();it!=v[nod].end();it++)
if(d[it->y]>d[nod]+it->cost) {
d[it->y]=d[nod]+it->cost;
c.push(Nod(it->y,d[it->y]));
}
}
}
}
};
Graph G;
int d[NMAX];
int main ()
{
int n,m,i,x,y,cost;
ifstream f("dijkstra.in");
ofstream g("dijkstra.out");
f>>n>>m;
G.setNodes(n);
for(i=1;i<=m;i++) {
f>>x>>y>>cost;
G.addEdge(x,y,cost);
}
f.close();
G.dijkstra(1,d);
for(i=2;i<=n;i++) {
if(d[i]==INF)
g<<"0";
else g<<d[i];
g<<" ";
}
g.close();
return 0;
}