From fb26757cb1ad6af7406339d7e8c9208f619500b2 Mon Sep 17 00:00:00 2001
From: Arunkumar1712 <116170537+Arunkumar1712@users.noreply.github.com>
Date: Mon, 18 Dec 2023 20:01:42 +0530
Subject: [PATCH] Swaps in arrays

Given a string 'S' swap the even and odd characters starting from index 1(Assume the index starts from 0).
Input Size : |s| <= 10000000(complexity O(n))
Sample Testcase :
INPUT
codekata
OUTPUT
ocedakat
---
 test.js | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 test.js

diff --git a/test.js b/test.js
new file mode 100644
index 0000000..82f9615
--- /dev/null
+++ b/test.js
@@ -0,0 +1,29 @@
+
+// Getting input via STDIN
+const readline = require("readline");
+
+const inp = readline.createInterface({
+  input: process.stdin
+});
+
+const userInput = [];
+
+inp.on("line", (data) => {
+  userInput.push(data);
+});
+
+inp.on("close", () => {
+    let a=userInput[0].split("");
+    let temp=0;
+  for( var i=0;i<a.length;i++){
+      if(i%2 === 0){
+          if(i+1<a.length){
+             temp=a[i];
+            a[i]=a[i+1];
+             a[i+1]=temp;} 
+          }
+      }
+       
+  a=a.join(" ")
+  console.log(a);
+});
\ No newline at end of file