Permutations of given String - GeeksforGeeks

HowToAlgo on Instagram: "🚀 𝐃𝐚𝐲 𝟔𝟐 𝐨𝐟 #𝟏𝟎𝟎𝐃𝐚𝐲𝐬𝐎𝐟𝐀𝐥𝐠𝐨: 𝐆𝐞𝐧𝐞𝐫𝐚𝐭𝐞 𝐀𝐥𝐥 𝐏𝐞𝐫𝐦𝐮𝐭𝐚𝐭𝐢𝐨𝐧𝐬 Given a list of unique integers, generate all possible permutations using backtracking! 𝐂𝐨𝐫𝐞 𝐈𝐝𝐞𝐚: We fix one element, swap the rest recursively, and backtrack to explore all possible sequences, no duplicates, no extra space. 𝐂𝐨𝐦𝐩𝐥𝐞𝐱𝐢𝐭𝐲: Time: O(n!) Space: O(n) 𝐏𝐫𝐚𝐜𝐭𝐢𝐜𝐞 𝐭𝐡𝐢𝐬 𝐧𝐨𝐰 𝐚𝐭 𝐰𝐰𝐰.𝐡𝐨𝐰𝐭𝐨𝐚𝐥𝐠𝐨.𝐜𝐨𝐦 🎁 Get the 𝐚𝐥𝐥-𝐢𝐧-𝐨�

Java - Find the duplicate values of an array of integers

Array Data Structure - GeeksforGeeks

Arrays in Java: Declare, Define, and Access Array [Updated]