Posts Tagged: java (Page 16)

Getting started with Graph Part 1

Graph are data structures made of vertices & edges. There are lots of interesting problems that can be solved using graphs. Part 1 covers the basic for creating a template for graph data structure...

Continue reading → graph java implementation

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Recursively sort a array

I recently came across a simple telephonic interview problem. The problem was to sort an array recursively. But even numbers need to be placed before odd numbers. At first glance it was obvious that it was a simple case of implementation of merge sort...

Continue reading → algorithm java code

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Three Sum Problem Leetcode Solution

Given an array nums of n integers, are there elements a, b, c in nums such that a + b + c = 0? Find all unique triplets in the array which gives the sum of zero...

Continue reading → leetcode two pointers java

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