Algorithm
18 AprilMinimum Number of Jumps to reach last Index
If you want to practice data structure and algorithm programs, you can go through Java coding interview questions. In this post, we will see how to find Minimum Number of Jumps to reach last Index. Problem Given an array A of positive integers possibly zeroes, every index indicating the maximum length of a jump that can […]
28 MarchSort an array of 0s, 1s and 2s
If you want to practice data structure and algorithm programs, you can go through Java coding interview questions. In this post, we will see how to sort an array of 0s, 1s and 2s.We have already seen a post on sort 0s and 1s in an array. Problem Given an array containing zeroes, ones and twos […]
04 MarchCheck if it is possible to reach end of given Array by Jumping
If you want to practice data structure and algorithm programs, you can go through Java coding interview questions. Problem Given an array with positive integers as elements indicating the maximum length of a jump which can be made from any position in the array. Check if it is possible to have a jumps combination […]
20 FebruaryInorder Successor in a Binary Search Tree
If you want to practice data structure and algorithm programs, you can go through Java coding interview questions. In this post, we will see how to find Inorder Successor in a Binary Search Tree. Problem Given a Binary Search Tree and a target node value. Find the Inorder successor of the given node value in the […]
17 FebruaryCheck if Array Elements are Consecutive
If you want to practice data structure and algorithm programs, you can go through 100+ data structure and algorithm programs. In this post, we will see how to check if array elements are consecutive. Problem Given an array, we need to check if array contains consecutive elements. For example: Input: array[] = {5, 3, 4, […]
04 FebruaryLCA of a K-ary Tree in O(Sqrt(height))
If you want to practice data structure and algorithm programs, you can go through Java coding interview questions. In this post, we will see about how to find Lowest Common Ancestor of a K-ary Tree in O(Sqrt(height)).We have already seen how to find LCA of n-ary tree in O(n) complexity. Problem Given a K-ary tree and […]
03 FebruaryLargest Rectangular Area in a Histogram
If you want to practice data structure and algorithm programs, you can go through Java coding interview questions. In this post, we will see about how to find largest rectangular area in a Histogram. Problem Given an Integer representing number of bars in a Histogram and an array of integers representing the height of the bars […]
02 FebruaryLongest common Subsequence
If you want to practice data structure and algorithm programs, you can go through Java coding interview questions. Given two Strings A and B. Find the length of the Longest Common Subsequence (LCS) of the given Strings. Subsequence can contain any number of characters of a string including zero or all (subsequence containing zero characters is […]
30 JanuaryKruskal’s Algorithm for finding Minimum Spanning Tree
If you want to practice data structure and algorithm programs, you can go through Java coding interview questions. Kruskal’s Algorithm solves the problem of finding a Minimum Spanning Tree(MST) of any given connected and undirected graph. What is a Minimum Spanning Tree? It is basically a subgraph of the given graph that connects all the vertices […]