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Cod sursa(job #520780)
#include<fstream>
using namespace std;
ifstream in("dijkstra.in");
ofstream out("dijkstra.out");
const int INF=(1<<30);
const int N=10000;
int a[N*N],c[N][N],d[N*N],m,n;
void read()
{
int q,z,r;
in>>n>>m;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(i!=j)
c[i][j]=INF;
for(int i=1;i<=m;++i)
{
in>>q>>z>>r;
c[q][z]=c[z][q]=r;
}
}
void bf(int x)
{
for(int i=1;i<=n;i++)
d[i]=INF;
d[x]=0;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
for(int k=1;k<=n;k++)
if(c[j][k]!=INF && d[j]!=INF)
if(d[j]+c[j][k]<d[k])
{
d[k]=d[j]+c[j][k];
a[k]=j;
}
}
int main()
{
read();
bf(1);
for(int i=2;i<=n;i++)
out<<d[i]<<" ";
return 0;
}