minor kotlin fix

Author: Morfly

src/kotlin/sequential/graph/bfs/BreadthFirstTraversal.kt

@@ -36,6 +36,6 @@ fun main() {
     )
 
     println(
-        socialNetwork.bfs("you")
+        socialNetwork.bfs(root = "you")
     )
 }

src/kotlin/sequential/graph/dfs/IterativeDepthFirstTraversal.kt

@@ -28,5 +28,14 @@ fun <T> Graph<T>.dfs(root: T): Collection<T> {
 
 
 fun main() {
-
+    val socialNetwork: Graph<String> = mapOf(
+        "you" to listOf("tony", "steve", "nick"),
+        "tony" to listOf("clint"),
+        "nick" to listOf("thor", "natasha"),
+        "steve" to listOf("phil", "clint")
+    )
+
+    println(
+        socialNetwork.dfs(root = "you")
+    )
 }

src/kotlin/sequential/graph/dfs/RecursiveDepthFirstTraversal.kt

@@ -24,5 +24,14 @@ fun <T> Graph<T>.dfs(root: T): Collection<T> {
 
 
 fun main() {
-
+    val socialNetwork: Graph<String> = mapOf(
+        "you" to listOf("tony", "steve", "nick"),
+        "tony" to listOf("clint"),
+        "nick" to listOf("thor", "natasha"),
+        "steve" to listOf("phil", "clint")
+    )
+
+    println(
+        socialNetwork.dfs(root = "you")
+    )
 }