Find Three Largest in O(n) time

HackerRank | Max Array Sum

TCS Codevita | Prime Fibonacci

TCS Codevita | Philaland Coin

TCS Codevita | Clock Angle

Detect loop in Linked List

TCS Codevita | Petrol Pump

Cocubes coding | All roots of quadratic equation

TCS Codevita | Hermoine Number

TCS Codevita | Similar Character

Happy Number

TCS Codevita | Exchange Digits

Re.start() & Re.end()

TCS Codevita | New ATM Design

Rat in Maze Problem

Java Program to find middle element of Linked List

Digital root

String Manipulation | Common Child

Find Nth digit

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