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Cod sursa(job #661744)
#include<stdio.h>
#include<fstream>
using namespace std;
ifstream c("dijkstra.in");
ofstream d("dijkstra.out");
int n,m,l[50001],v1[250001],v2[250001],cost[250001];
void dijkstra()
{ register int i;
bool k=1;
for(i=1;i<=n;i++)
l[i]=-1;
l[1]=0;
while(k==1) {
k=0;
for(i=1;i<=m;i++)
if(l[v1[i]]>-1&&(l[v2[i]]==-1||l[v2[i]]>l[v1[i]]+cost[i])) {
l[v2[i]]=l[v1[i]]+cost[i];
k=1;
}
}
}
int main()
{ int i;
c>>n>>m;
for(i=1;i<=m;i++)
c>>v1[i]>>v2[i]>>cost[i];
dijkstra();
for(i=2;i<=n;i++)
if(l[i]==-1)
d<<"0 ";
else
d<<l[i]<<" ";
return 0;
}