From 518f09570f4e4470a28d448b990f8e5cc4ccc38f Mon Sep 17 00:00:00 2001
From: Pritam <95082658+pritam1309@users.noreply.github.com>
Date: Thu, 20 Oct 2022 21:54:58 +0530
Subject: [PATCH] =?UTF-8?q?Create=20Dijkstra=E2=80=99s=20Shortest=20Path?=
 =?UTF-8?q?=20Algorithm?=
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---
 ...stra\342\200\231s Shortest Path Algorithm" | 119 ++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 "Dijkstra\342\200\231s Shortest Path Algorithm"

diff --git "a/Dijkstra\342\200\231s Shortest Path Algorithm" "b/Dijkstra\342\200\231s Shortest Path Algorithm"
new file mode 100644
index 0000000..1ec05cb
--- /dev/null
+++ "b/Dijkstra\342\200\231s Shortest Path Algorithm"	
@@ -0,0 +1,119 @@
+
+#include <stdio.h>
+#define INFINITY 9999
+#define MAX 10
+
+void Dijkstra(int Graph[MAX][MAX], int n, int start);
+
+void Dijkstra(int Graph[MAX][MAX], int n, int start) {
+  int cost[MAX][MAX], distance[MAX], pred[MAX];
+  int visited[MAX], count, mindistance, nextnode, i, j;
+
+ 
+  for (i = 0; i < n; i++)
+    for (j = 0; j < n; j++)
+      if (Graph[i][j] == 0)
+        cost[i][j] = INFINITY;
+      else
+        cost[i][j] = Graph[i][j];
+
+  for (i = 0; i < n; i++) {
+    distance[i] = cost[start][i];
+    pred[i] = start;
+    visited[i] = 0;
+  }
+
+  distance[start] = 0;
+  visited[start] = 1;
+  count = 1;
+
+  while (count < n - 1) {
+    mindistance = INFINITY;
+
+    for (i = 0; i < n; i++)
+      if (distance[i] < mindistance && !visited[i]) {
+        mindistance = distance[i];
+        nextnode = i;
+      }
+
+    visited[nextnode] = 1;
+    for (i = 0; i < n; i++)
+      if (!visited[i])
+        if (mindistance + cost[nextnode][i] < distance[i]) {
+          distance[i] = mindistance + cost[nextnode][i];
+          pred[i] = nextnode;
+        }
+    count++;
+  }
+
+  // Printing the distance
+  for (i = 0; i < n; i++)
+    if (i != start) {
+      printf("\nDistance from source to %d: %d", i, distance[i]);
+    }
+}
+int main() {
+  int Graph[MAX][MAX], i, j, n, u;
+  n = 7;
+
+  Graph[0][0] = 0;
+  Graph[0][1] = 0;
+  Graph[0][2] = 1;
+  Graph[0][3] = 2;
+  Graph[0][4] = 0;
+  Graph[0][5] = 0;
+  Graph[0][6] = 0;
+
+  Graph[1][0] = 0;
+  Graph[1][1] = 0;
+  Graph[1][2] = 2;
+  Graph[1][3] = 0;
+  Graph[1][4] = 0;
+  Graph[1][5] = 3;
+  Graph[1][6] = 0;
+
+  Graph[2][0] = 1;
+  Graph[2][1] = 2;
+  Graph[2][2] = 0;
+  Graph[2][3] = 1;
+  Graph[2][4] = 3;
+  Graph[2][5] = 0;
+  Graph[2][6] = 0;
+
+  Graph[3][0] = 2;
+  Graph[3][1] = 0;
+  Graph[3][2] = 1;
+  Graph[3][3] = 0;
+  Graph[3][4] = 0;
+  Graph[3][5] = 0;
+  Graph[3][6] = 1;
+
+  Graph[4][0] = 0;
+  Graph[4][1] = 0;
+  Graph[4][2] = 3;
+  Graph[4][3] = 0;
+  Graph[4][4] = 0;
+  Graph[4][5] = 2;
+  Graph[4][6] = 0;
+
+  Graph[5][0] = 0;
+  Graph[5][1] = 3;
+  Graph[5][2] = 0;
+  Graph[5][3] = 0;
+  Graph[5][4] = 2;
+  Graph[5][5] = 0;
+  Graph[5][6] = 1;
+
+  Graph[6][0] = 0;
+  Graph[6][1] = 0;
+  Graph[6][2] = 0;
+  Graph[6][3] = 1;
+  Graph[6][4] = 0;
+  Graph[6][5] = 1;
+  Graph[6][6] = 0;
+
+  u = 0;
+  Dijkstra(Graph, n, u);
+
+  return 0;
+}