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Cod sursa(job #278412)
#include<stdio.h>
#include<values.h>
const long long unsigned inf= MAXLONG;
#define in "dijkstra.in"
#define out "dijkstra.out"
long long unsigned m,n,a[1001][1001],i,j,k,d[1001],min,s[1001],poz,c;
int main()
{
freopen(in,"r",stdin);
freopen(out,"w",stdout);
scanf("%llu%llu",&n,&m);
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(i!=j)
a[i][j]=inf;
for(i=1;i<=m;i++)
{
scanf("%llu%llu%llu",&j,&k,&c);
a[j][k]=c;
}
for(i=1;i<=n;i++)
d[i]=a[1][i];
s[1]=1;
for(i=1;i<n;i++)
{
min=inf;
for(j=1;j<=n;j++)
{
if(!s[j])
{
if(d[j]<min)
{
min=d[j];
poz=j;
}
}
}
s[poz]=1;
for(j=1;j<=n;j++)
{
if(!s[j])
{
if(d[j]>d[poz]+a[poz][j])
d[j]=d[poz]+a[poz][j];
}
}
}
for(i=2;i<=n;i++)
if(d[i]!=MAXLONG)
printf("%llu ",d[i]);
else
printf("0 ");
return 0;
}