Day10

2022-10-12 02:30:23 +03:00
parent 02afed9c4c
commit 01c5720116
39 changed files with 517 additions and 30 deletions
--- a/Node/Solution.cs
+++ b/Node/Solution.cs
@@ -0,0 +1,31 @@
+namespace _116._Populating_Next_Right_Pointers_in_Each_Node;
+
+public class Solution
+{
+    public Node? Connect(Node? root)
+    {
+        if (root == null)
+            return null;
+        List<Node> curLevel = new List<Node>() { root };
+        List<Node> nextLevel = new List<Node>();
+        while (curLevel.Count > 0)
+        {
+            for (int i = 0; i < curLevel.Count - 1; i++)
+                curLevel[i].next = curLevel[i + 1];
+            nextLevel.Clear();
+            foreach (var n in curLevel)
+            {
+                if (n == null)
+                    continue;
+                if (n.left != null)
+                    nextLevel.Add(n.left);
+                if (n.right != null)
+                    nextLevel.Add(n.right);
+            }
+            List<Node> buf = curLevel;
+            curLevel = nextLevel;
+            nextLevel = buf;
+        }
+        return root;
+    }
+}