Find missing number in an array(using summation and XOR operation)

A leader in an array is an element for which all elements on its right side are less than its value. There can be multiple leaders in an array.

Leader in an Array (Code / Algorithm)

Leader in an Array (Code / Algorithm)
ADS1: Boyer-Moore basics

ADS1: Boyer-Moore basics
Find missing number in an array(using summation and XOR operation)

Find missing number in an array(using summation and XOR operation)
Binary Search : Median of two sorted arrays of different sizes.

Binary Search : Median of two sorted arrays of different sizes.
Can You Solve Amazon's Hanging Cable Interview Question?

Can You Solve Amazon's Hanging Cable Interview Question?
The 5 LESSONS In Life People Learn TOO LATE

The 5 LESSONS In Life People Learn TOO LATE
Algorithms and data structures for Interview preparation

Algorithms and data structures for Interview preparation
ROTATION of an array (REVERSAL Algorithm)

ROTATION of an array (REVERSAL Algorithm)