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#include <bits/stdc++.h>
#define INF 0x3f3f3f3f
using namespace std;
//typedef int cost;
//typedef int muchie;
using namespace std;
string fisier = "dijkstra";
const int CMAX = 5e4+15;
int muchie , cost , n , m;
int D[CMAX];
int viz[CMAX];
const long long int oo = 1000*50000;
vector < pair < int , int > > graf[CMAX];
ifstream fin(fisier+".in");
ofstream fout(fisier+".out");
struct comp{
bool operator()(int x, int y){
return D[x] > D[y];
}
};
queue < int > coada;
priority_queue < int , vector < int >, comp > Q;
void citire()
{
int x , y , c;
fin >> n >> m;
for(int i=1;i<=m;i++)
{
fin >> x >> y >> c;
graf[x].push_back({y,c});
}
}
void afisare(){
for(int i=1;i<=n;i++)
{
cout << "Nodul: " << i << " : ";
for(int j=0;j<graf[i].size();j++)
{
cout << "(" <<graf[i][j].first << "," << graf[i][j].second << ") ";
}
cout << '\n';
}
}
bool BellmanFord(int start){
for(int i=1;i<=n;i++)
{
viz[i] = 0;
D[i] = oo;
}
D[start] = 0;
coada.push(start);
while(!coada.empty()){
int nodcurent = coada.front();
viz[nodcurent]++;
coada.pop();
if(viz[nodcurent]>=n){
return false;
}
for(int i=0;i<graf[nodcurent].size();i++)
{
int vecin = graf[nodcurent][i].first;
int cost = graf[nodcurent][i].second;
if(D[nodcurent]+cost<D[vecin]){
D[vecin] = D[nodcurent] + cost;
coada.push(vecin);
}
}
}
return true;
}
void Dijkstra(int start)
{
//viz[start] = 1;
D[start] = 0;
Q.push(start);
while(!Q.empty()){
int nodcurent = Q.top();
Q.pop();
for(int i=0;i<graf[nodcurent].size();i++)
{
int cost, vecin;
vecin = graf[nodcurent][i].first;
cost = graf[nodcurent][i].second;
if(D[nodcurent] + cost < D[vecin]){
D[vecin] = D[nodcurent] + cost;
Q.push(vecin);
}
}
}
}
int main(){
citire();
/*
if(BellmanFord(1)==true){
for(int i=2;i<=n;i++)
fout << D[i] << " ";
}
else
fout << "Ciclu negativ!";
memset(viz,0,CMAX);
*/
for(int i=1;i<=n;i++)
D[i] = oo;
Dijkstra(1);
for(int i=2;i<=n;i++)
fout << D[i] << " ";
//afisare();
}