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class Floyd{
final static int INF = 9999,V = 4;
void floydWarshal(int graph[][]){
int dist[][] = new int[V][V];
int i,j,k;
for(i=0;i<V;i++){
for(j=0;j<V;j++){
dist[i][j] = graph[i][j];
}
}
for(k =0; k<V; k++){
for(i=0;i<V;i++){
for(j=0;j<V;j++){
if(dist[i][k]+dist[k][j]<dist[i][j]){
dist[i][j] = dist[i][k]+dist[k][j];
}
}
}
}
printfld(dist);
}
void printfld(int dist[][]){
for(int i=0;i<V;++i){
for(int j=0;j<V;++j){
if(dist[i][j]==INF)
System.out.print("0\t");
else
System.out.print(dist[i][j]+"\t");
}
System.out.println();
}
}
public static void main(String[] args)
{
int graph[][] = { {0, 5, INF, 10},
{INF, 0, 3, INF},
{INF, INF, 0, 1},
{INF, INF, INF, 0}
};
Floyd f = new Floyd();
f.floydWarshal(graph);
}
}
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