# Algorithm

- 29 November
### Top 100+ Java coding interview questions

I have been posting data structure and coding interview questions on various topics such as Array, Queue, Stack, Binary tree, LinkedList, String, Number, ArrayList, etc. So I am consolidating a list of java coding interview questions to create an index post. I will keep adding links to this post whenever I will add new java […]

- 18 April
### Minimum Number of Jumps to reach last Index

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 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 […]

- 28 March
### Sort an array of 0s, 1s and 2s

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 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, […]

- 04 March
### Check 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 100+ data structure and algorithm programs. 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 […]

- 20 February
### Inorder Successor in a Binary Search Tree

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 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 […]

- 04 February
### LCA of a K-ary Tree in O(Sqrt(height))

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 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 […]

- 03 February
### Largest Rectangular Area in a Histogram

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 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 […]

- 02 February
### Longest common Subsequence

If you want to practice data structure and algorithm programs, you can go through 100+ data structure and algorithm programs. 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 […]

- 30 January
### Kruskal’s Algorithm for finding Minimum Spanning Tree

If you want to practice data structure and algorithm programs, you can go through 100+ data structure and algorithm programs. 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 […]

- 08 December
### Coin Change Problem in java

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 about Coin Change problem in java. Problem Given an Amount to be paid and the currencies to pay with. There is infinite supply of every currency using combination of […]

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