Added codes for 3 May

GeeksForGeeks/May/03-5-24/GFG.java

@@ -0,0 +1,139 @@
+//{ Driver Code Starts
+//Initial Template for Java
+
+import java.util.LinkedList; 
+import java.util.Queue; 
+import java.io.*;
+import java.util.*;
+
+class Node{
+    int data;
+    Node left;
+    Node right;
+    Node(int data){
+        this.data = data;
+        left=null;
+        right=null;
+    }
+}
+
+class GfG {
+
+    static Node buildTree(String str){
+
+        if(str.length()==0 || str.charAt(0)=='N'){
+            return null;
+        }
+
+        String ip[] = str.split(" ");
+        // Create the root of the tree
+        Node root = new Node(Integer.parseInt(ip[0]));
+        // Push the root to the queue
+
+        Queue<Node> queue = new LinkedList<>(); 
+
+        queue.add(root);
+        // Starting from the second element
+
+        int i = 1;
+        while(queue.size()>0 && i < ip.length) {
+
+            // Get and remove the front of the queue
+            Node currNode = queue.peek();
+            queue.remove();
+
+            // Get the current node's value from the string
+            String currVal = ip[i];
+
+            // If the left child is not null
+            if(!currVal.equals("N")) {
+
+                // Create the left child for the current node
+                currNode.left = new Node(Integer.parseInt(currVal));
+                // Push it to the queue
+                queue.add(currNode.left);
+            }
+
+            // For the right child
+            i++;
+            if(i >= ip.length)
+                break;
+
+            currVal = ip[i];
+
+            // If the right child is not null
+            if(!currVal.equals("N")) {
+
+                // Create the right child for the current node
+                currNode.right = new Node(Integer.parseInt(currVal));
+
+                // Push it to the queue
+                queue.add(currNode.right);
+            }
+            i++;
+        }
+
+        return root;
+    }
+
+	public static void main (String[] args) throws IOException{
+	        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+
+	        int t=Integer.parseInt(br.readLine());
+
+	        while(t > 0){
+	            String X[] = br.readLine().trim().split(" ");
+	            int k = Integer.parseInt(X[0]);
+	            String s = br.readLine();
+    	    	Node root = buildTree(s);
+        	    Tree g = new Tree();
+			    ArrayList<Integer> nodes = g.Kdistance(root,k);
+			    for(int i = 0;i<nodes.size();i++){
+			        System.out.print(nodes.get(i)+ " ");
+			    }
+			    System.out.println();
+                t--;
+
+        }
+    }
+
+}
+
+
+// } Driver Code Ends
+
+
+//User function Template for Java
+
+/*
+class Node
+{
+    int data;
+    Node left, right;
+   Node(int item)    {
+        data = item;
+        left = right = null;
+    }
+} */
+
+class Tree
+{
+     // Recursive function to print right view of a binary tree.
+     ArrayList<Integer> Kdistance(Node root, int k)
+     {
+        // Your code here
+        ArrayList<Integer> list = new ArrayList<>();
+        if(root == null || k < 0){
+            return list;
+        }
+        if(k == 0){
+            System.out.print(root.data +" ");
+            //list.add(root.data);
+        }
+
+        Kdistance(root.left, k-1);
+        Kdistance(root.right,k-1);
+
+        return list;
+     }
+}

GeeksForGeeks/May/03-5-24/README.md

@@ -0,0 +1,2 @@
+Time complexity - O(n)
+Space complexity - O(h)

LeetCode/May/03-5-24/README.md

@@ -0,0 +1,2 @@
+Time complexity - O(n)
+Space complexity - O(1)

LeetCode/May/03-5-24/Solution.java

@@ -0,0 +1,18 @@
+class Solution {
+    public int compareVersion(String version1, String version2) {
+        String[] levels1 = version1.split("\\.");
+        String[] levels2 = version2.split("\\.");
+        int length = Math.max(levels1.length, levels2.length);
+
+        for (int i = 0; i < length; ++i) 
+        {
+            Integer v1 = i < levels1.length ? Integer.parseInt(levels1[i]) : 0;
+            Integer v2 = i < levels2.length ? Integer.parseInt(levels2[i]) : 0;
+            int compare = v1.compareTo(v2);
+            if (compare != 0)
+                return compare;
+        }
+
+        return 0;
+    }
+}