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Cod sursa(job #825352)
#include<fstream>
#include<iostream>
using namespace std;
int a[25][25],n,m,d[25];
void citire()
{
ifstream f("dijkstra.in");
f>>n>>m;
for(int i=1;i<=n;i++)
{
int x, y, z;
f>>x>>y>>z;
a[x][y]=z;
for(int j=1;j<=n;j++)if(a[i][j]==0) a[i][j]=9999;
}
f.close();
}
void dij(int n,int v,int cost[25][25],int dist[])
{
int i,u,count,w,flag[10],min;
for(i=1;i<=n;i++)
flag[i]=0,dist[i]=cost[v][i];
count=2;
while(count<=n)
{
min=99;
for(w=1;w<=n;w++)
if(dist[w]<min && !flag[w])
min=dist[w],u=w;
flag[u]=1;
count++;
for(w=1;w<=n;w++)
if((dist[u]+cost[u][w]<dist[w]) && !flag[w])
dist[w]=dist[u]+cost[u][w];
}
}
int main()
{
citire();
dij(n,1,a,d);
ofstream g("dijkstra.out");
for(int i=2;i<=n;i++)
g<<d[i]<<' ';
g.close();
return 0;
}