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#include <bitset>
#include <stdio.h>
#include <vector>
#include <queue>
using namespace std;
FILE *f,*g;
class compar
{
public:
bool operator() (pair <int,int> X, pair <int,int> Y)
{
return (X.second > Y.second);
}
};
priority_queue <pair <int,int>, vector <pair <int,int> >,compar> q;//imi introduce in coada nodurlle sortate crescator in functie de cost
vector <pair <int,int> > nod[50002];//asta e ca o matrice dinamica care memoreaza pe fiecare pozitie cate o ^structura^
//pair <int,int> e ca un fel de structura
bool viz[50002];
int drum[50002];
int main()
{
int m,n,i,j,x,y,c,no,dist,cost,vecin;
f=fopen("dijkstra.in","r");
g=fopen("dijkstra.out","w");
fscanf(f,"%d %d",&n,&m);
for(i=1;i<=m;++i)
{
fscanf(f,"%d %d %d",&x,&y,&c);
nod[x].push_back({y,c});//la fiecare nod introducem vecinii si costul fiecarui drum
}
for(i=2;i<=n;++i)
drum[i]=2000000000;
q.push({1,0});
while(!q.empty())
{
//in q.top().first e nodul si in q.top().second e costul
no=q.top().first;
q.pop();
if(!viz[no])//nu am mai trecut prin nodul acesta
{
for(i=0;i<nod[no].size();++i)
{
vecin=nod[no][i].first;
cost=nod[no][i].second;//costul dintre nodul no si nodul i
dist=drum[no]+cost;//costul pana la nodul no
if(dist<drum[vecin])
{
drum[vecin]=dist;
q.push({vecin,dist});
}
}
}
viz[no]=1;
}
for(i=2;i<=n;++i)
{
if(drum[i]==2000000000)
fprintf(g,"0 ");
else
fprintf(g,"%d ",drum[i]);
}
fclose(f);
fclose(g);
return 0;
}