using System;
класс GFG {
static int V = 9;
int minDistance(int[] dist,
bool[] sptSet)
{
int min = int.MaxValue, min_index = -1;
for (int v = 0; v < V; v++)
if (sptSet[v] == false && dist[v] <= min) {
min = dist[v];
min_index = v;
}
return min_index;
}
void printSolution(int[] dist, int n)
{
Console.Write("Vertex Distance "
+ "from Source\n");
for (int i = 0; i < V; i++)
Console.Write(i + " \t\t " + dist[i] + "\n");
}
void dijkstra(int[, ] graph, int src)
{
int[] dist = new int[V]; // The output array. dist[i]
bool[] sptSet = new bool[V];
for (int i = 0; i < V; i++) {
dist[i] = int.MaxValue;
sptSet[i] = false;
}
dist[src] = 0;
for (int count = 0; count < V - 1; count++) {
int u = minDistance(dist, sptSet);
sptSet[u] = true;
for (int v = 0; v < V; v++)
if (!sptSet[v] && graph[u, v] != 0 &&
dist[u] != int.MaxValue && dist[u] + graph[u, v] < dist[v])
dist[v] = dist[u] + graph[u, v];
}
printSolution(dist, V);
}
public static void Main()
{
int[, ] graph = new int[, ] { { 0, 4, 0, 0, 0, 0, 0, 8, 0 },
{ 4, 0, 8, 0, 0, 0, 0, 11, 0 },
{ 0, 8, 0, 7, 0, 4, 0, 0, 2 },
{ 0, 0, 7, 0, 9, 14, 0, 0, 0 },
{ 0, 0, 0, 9, 0, 10, 0, 0, 0 },
{ 0, 0, 4, 14, 10, 0, 2, 0, 0 },
{ 0, 0, 0, 0, 0, 2, 0, 1, 6 },
{ 8, 11, 0, 0, 0, 0, 1, 0, 7 },
{ 0, 0, 2, 0, 0, 0, 6, 7, 0 } };
GFG t = new GFG();
t.dijkstra(graph, 0);
}
}