# Explore Posts for Coding Interview

### How to prepare for your next Coding Interview

Here are some tips while preparing for your coding interviews. 1. Do study or…

### How to calculate angle between hour and minute hand, given a time

This problem is a simple mathematical calculation. Lets start deriving some…

### Convert String to Integer - atoi - Leet Code Solution

Problem Statement Implement atoi which converts a string to an integer…

### Check whether number is palindrome or not - Leet Code Solution

Problem Statement Determine whether an integer is a palindrome. An integer is a…

### Zigzag Pattern String Conversion - Leet Code Solution

Problem Statement The string “PAYPALISHIRING” is written in a zigzag pattern on…

### Reverse digits of a signed integer - Leet Code Solution

Problem Statement Given a signed integer, reverse digits of an integer. Return…

### Longest Palindrome Substring - Leet Code Solution

Problem Statement Given a string s, find the longest palindromic substring in s…

### Find the Median of Two Sorted Arrays - Leet Code Solution

Problem Statement There are two sorted arrays nums1 and nums2 of size m and n…

### Longest Substring without repeating characters - Leet Code Solution

Problem Statement Given a string, find the length of the longest substring…

### Add two numbers(reverse order) link list Problem - Leet Code Solution

Problem Statement You are given two non-empty linked lists representing two non…

### Radix Sort Algorithm

A number consists of digits. Example: 843. Its a 3-digit number. Radix sort…

### Counting Sort Algorithm

Counting sort runs on relatively smaller set of input. Counting sort calculates…

### Young Tableau problem - Cormen

Young Tableau A a X b matrix is Young Tableau if all rows(from left to right…

### Min Priority Queue Implementation with Heap Data structure

Min Priority Queue is a data structure which manage a list of keys(values). And…

### Max Priority Queue Implementation with Heap Data structure

Max Priority Queue is a data structure which manage a list of keys(values). And…

### Two Sum Problem - Leet Code Solution

Problem Statement Given an array of integers, return indices of the two numbers…

### Heap Sort Algorithm

This is another very useful sorting algorithm based on Heap data structure. Read…

### Index for Coding Problems

Sorting Problems Merge Sort Quick Sort Heap Sort Bubble Sort Selection Sort…

### What is Heap Data Structure

Its a tree based data structure which is a complete binary tree(all nodes have…

### How to nail your Coding Interview

Here are some tips while giving your coding interviews. 1. Never try to jump to…

### Maximum Subarray Problem

Problem Statement You are given an array of integers. And, you have find the…