Pagini recente » Cod sursa (job #810696) | Cod sursa (job #1039180) | Istoria paginii runda/wellcodesimulareclasa11-12-4martie/clasament | Cod sursa (job #2345294) | Cod sursa (job #1827046)
#include <iostream>
#include <fstream>
using namespace std;
int n,m,r,s[503],mn,c[503][503],t[503],d[503];
ifstream fin ("dijkstra.in");
ofstream fout ("dijkstra.out");
int main()
{
int h,i,j,nr,k;
fin>>n>>m;
r=1;
for (i=1;i<=n;i++)
{
for (j=1;j<=n;j++)
if (i!=j) c[i][j]=10000000;
}
for (h=1;h<=m;h++)
{
fin>>i>>j>>nr;
c[i][j]=nr;
}
s[r]=1;
for (i=1;i<=n;i++)
if (i!=r)
{
d[i]=c[r][i];
t[i]=r;
}
d[r]=0;
t[r]=0;
for (k=1;k<n;k++)
{
mn=10000000;
for (j=1;j<=n;j++)
{
if ((mn>d[j]&&s[j]==0))
{
i=j;
mn=d[j];
}
}
s[i]=1;
for (j=1;j<=n;j++)
{
if (d[j]>(d[i]+c[i][j]))
{
d[j]=d[i]+c[i][j];
t[j]=i;
}
}
}
for (i=2;i<=n;i++)
fout<<d[i]<<" ";
fin.close();
fout.close();
return 0;
}