This is a submission for the Coze AI Bot Challenge: Bot Innovator. What I Built I made a multipurpose chatbot in Coze that can do everything. Previously, I made a chatbot in Discord using Google’s Gemini, as I did not have access to Coze in India. However, I used a VPN to access it and…

class Solution { public int maxVowels(String s, int k) { Set<Character> set = new HashSet<>(); set.add(‘a’); set.add(‘e’); set.add(‘i’); set.add(‘o’); set.add(‘u’); char arr[] = s.toCharArray(); int count = 0, maxCount = 0; for(int i=0; i<k; i++){ if(set.contains(arr[i])) count++; } maxCount = count; int n = arr.length; for(int i=k; i<n; i++){ if(set.contains(arr[i])) count++; if(set.contains(arr[i-k])) count–; maxCount =…

In the rapidly evolving landscape of mobile app development, Kotlin has emerged as a powerful programming language for creating robust and efficient applications. This article serves as a comprehensive guide for beginners looking to build an app from scratch using Kotlin. From setting up the development environment to designing the app architecture, implementing key features,…