Repeat | K5kC | Code & More

First Unique element in an array

Number of unique elements in sorted array with repeated elements

Remove duplicate in Binary Search Tree BST

Remove duplicates from unsorted array

Find two repeating elements in a given ranged array

Single Number 2 - All elements except one occur thrice

Find Duplicate Number in array containing n+1 numbers between 1 and n

Finding the most frequent element in an array of numbers from 0 to n-1

Find first duplicate number in an array containing numbers from 1 to n

Find duplicates in an array of integers within range 0 to n-1