Welcome to Tushar's Blog! Here, I share my journey in tech, covering DevOps and cloud computing. Explore tutorials, tips, and insights to fuel your learning and growth in technology.
Problem 1: Kth Largest Element in an Array Link to the problem: https://leetcode.com/problems/kth-largest-element-in-an-array/ class Solution { public int findKthLargest(int[] nums, int k) { PriorityQueue<Integer> pq = new PriorityQueue<...
Problem 1: Find All K-Distant Indices in an Array Link to the problem: https://leetcode.com/problems/find-all-k-distant-indices-in-an-array/ class Solution { public List<Integer> findKDistantIndices(int[] nums, int key, int k) { Map<Inte...
Problem 1: Coin Change Link to the problem: https://leetcode.com/problems/coin-change/ class Solution { private int answer(int[] coins, int amount, HashMap<Integer, Integer> map){ if(amount<0) return -1; if(amount==0) return 0; ...
Problem 1: Permutations Link to the problem: https://leetcode.com/problems/permutations/ class Solution { public List<List<Integer>> permute(int[] nums){ List<List<Integer>> res = new ArrayList<>(); backtrack(nums, 0, res); ...
Problem 1: Subsets Link to the problem: https://leetcode.com/problems/subsets/ class Solution { public List<List<Integer>> subsets(int[] nums) { List<List<Integer>> res = new ArrayList<>(); ArrayList<Integer> arr = new ArrayLis...
Problem 1: Binary Tree Right Side View Link to the problem: https://leetcode.com/problems/binary-tree-right-side-view/ /** * Definition for a binary tree node. * public class TreeNode { * int val; * TreeNode left; * TreeNode right; ...
Problem 1: Time Based Key-Value Store Link to the problem: https://leetcode.com/problems/time-based-key-value-store/ class TimeMap { Map<String, TreeMap<Integer, String>> map; public TimeMap() { this.map = new HashMap<>(); } ...
Problem 1: Minimum Window Substring Link to the problem: https://leetcode.com/problems/minimum-window-substring/ class Solution { public String minWindow(String s, String t) { if(s==null || t==null || s.length()==0 || t.length()==0 || s...
Problem 1: Find All Anagrams in a String Link to the problem: https://leetcode.com/problems/find-all-anagrams-in-a-string/ class Solution { public List<Integer> findAnagrams(String s, String p) { char[] arr = p.toCharArray(); Arr...
