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Cod sursa(job #808171)
#include <fstream>
using namespace std;
ifstream t("dijkstra.in");
ofstream o("dijkstra.out");
int m,n,i,j,p,x,s,y,c[10005][10005],d[10005],tata[10005];
void bellman_ford(int x0)
{
int ok,i,j,k;
for (i=1;i<=n;i++)
{tata[i]=0; d[i]=2100000000;}
d[x0]=0;
for (i=1;i<=n;i++)
{
ok=0;
for (j=1;j<=n;j++)
for (k=1;k<=n;k++)
if (d[j]!=2100000000 && c[j][k]!=2100000000)
if (d[k]>d[j]+c[j][k])
{
d[k]=d[j]+c[j][k];
tata[k]=j;
ok=1;
}
}
if (ok) o<<"Circuit negativ!";
}
int main(void)
{
t>>n>>m;
for (i=1;i<=n;i++)
for (j=1;j<=n;j++)
c[i][j]=2100000000;
for (i=1;i<=m;i++) {t>>x>>y>>p; c[x][y]=p;};
bellman_ford(1);
for (i=2;i<=n;i++) o<<d[i]<<' ';
}