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Finding duplicates in an array using negation, single scan -O(n)

Tags Finding Duplicates, Negation, Programming Puzzles

Finding duplicates in an array using Hashtables -O(n)

Tags Finding Duplicates, HashMap, HashSet, Interview Q's

Finding duplicates in a sorted array – O(nlogn)

Tags Finding Duplicates, Interview Q's, Programming Puzzles

Finding Duplicates in an array -BruteForce [O(n^2)]

Tags Bruteforce, Finding Duplicates, Interview Q's, Programming Puzzles

Towers of Hanoi using Recursion in Java

Tags featured, Programming Puzzles, Recursion, Towers of Hanoi

Reversing an array using Recursion in Java

Tags Interview Q's, Programming Puzzles, Recursion, Tail Recursion

Linear Sum using Recursion in Java

Tags Linear Sum, Programming Puzzles, Recursion

Fibonacci series using Recursion in Java

Tags Fibonacci Number, Programming Puzzles, Recursion

Power of a given number using Recursion in Java

Tags Interview Q's, Programming Puzzles, Recursion

Factorial of a number using Recursion

Tags Factorial, Interview Q's, Programming Puzzles, Recursion

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