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Cod sursa(job #688030)
#include<fstream>
#include<limits.h>
using namespace std;
ifstream f("dijkstra.in");
ofstream g("dijkstra.out");
int n,m;
unsigned long C[50000][50000];
void roy_floyd ()
{
int i, j, k;
for (k=1;k<=n;k++)
for (i=1;i<=n;i++)
for (j=1;j<=n;j++)
if (C[i][k]!=INT_MAX && C[k][j]!=INT_MAX)
if (C[i][j]>C[i][k]+C[k][j])
C[i][j] = C[i][k]+C[k][j];
}
void citire()
{
int i,j,a,b,c;
f>>n>>m;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
C[i][j]=INT_MAX;
for(i=1;i<=m;i++)
{
f>>a>>b>>c;
C[a][b]=c;
}
}
void afisare()
{
int j;
for(j=2;j<=n;j++)
g<<C[1][j]<<" ";
}
int main()
{
citire();
roy_floyd();
afisare();
f.close();
g.close();
return 0;
}