Visa Interview Questions

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Hoisting and Call Stack

Understanding Variable Scoping in JavaScript Let's dig into a fascinating JavaScript example to unravel the mystery of variable scoping. The Code Snippet Here's the code we'll be examining: javascript var numOfBeers 5 function getMoreBeers console.log 'I have this many beers: ...

Difficulty: 7/10

Build a Calculator

Let's build a very basic calculator by programming it! You've probably seen one that look similar to this: But we won't be building a physical calculator HardwareDaily will need to wait! instead, we'll be writing a simple program that can serve as one. Can you write a function that will evalua...

Difficulty: 7/10

Decimal To Binary

Today, we're going to do some math! There is only one prerequisite for answering this question, and it is knowing the definitions of binary and decimal . According to How to Convert Decimal to Binary and Binary to Decimal https: techterms.com definition binary , binary is a numeric system th...

Difficulty: 5/10

Swap Every Two Nodes in a Linked List

Write a recursive algorithm that swaps every two nodes in a linked list. This is often called a pairwise swap. For example: js * original list 1 2 3 4 after swapping every 2 nodes 2 1 4 3 * You may assume that the definition of a linked list node is: ...

Difficulty: 4/10

Reverse a Linked List

You're sent a linked list of numbers, but it's been received in the opposite order to what you need. This has happened multiple times now, so you decide to write an algorithm to reverse the lists as they come in. The list you've received is as follows: 7 2 21 6 42 10 Write ...

Difficulty: 6/10

Maximum Sum of Absolute Difference of Values and Indices

The Puzzle in Simple Terms You have a list of numbers called A . Your task is to pick two numbers from this list, let's call them A i and A j . Additionally, you will take note of their positions, i and j , in the list. You are to find the biggest result you can get from a specific formu...

Difficulty: 7/10

Detect Loop in Linked List

What is the best way to find out if a linked list contains a loop? You're given the following data structure as the definition of a linked list node: js class LinkedListNode constructor val this.val val this.next null A loop or a cycle in graph less...

Difficulty: 7/10

Two Sum from BST

This problem is a fun combination of the famous Two Sum problem combined with a binary search lessons binary search technique tree. Given the root of a binary search lessons binary search technique tree, and a target integer K , return true if there exist two nodes in the said tree...

Difficulty: 7/10

Linked List to Binary Search Tree

We're given a sorted singly linked list that is, a linked list made of nodes with no pointers to the previous node where the elements are already arranged in ascending order. js 9 2 3 5 9 Linked List Node Definition: function Node val this.val val this...

Difficulty: 7/10

Design a Payments API Like Stripe

A payment API payment gateway API or payment processing API is an API system that integrates a payment solution with a given application, by connecting it to a payment system and allowing it to do payment operations. It can offer payment options like cards debit and credit , digital wallets, UPI...

Difficulty: 5/10

Preparing for Frontend Development Interviews

Introduction Welcome to the Preparing for Frontend Development Interviews tutorial! This tutorial is designed to provide you with a comprehensive understanding of frontend development and help you prepare for frontend development interviews. In this tutorial, we will cover the following topics...

Difficulty: 5/10

JavaScript Basics

Introduction to JavaScript JavaScript is a lightweight, text based programming language that adds interactivity to websites. It cannot execute independently, that is, it requires the support of another language HTML for execution. Here's an example of a simple JavaScript program: js con...

Difficulty: 5/10

Interview Reports

I have an interview with Visa Inc. in a week. What should I do to prepare? ...

Visa Inc. frequent interview questions - Mr. Simon...

Top 16 most frequent job interview questions asked by HR managers during initial phone or onsite interviews at Visa Inc.

VISA Inc. Interview Experience (On-Campus) - GeeksforGeeks...

A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview...

People at Visa Say

This information was sourced from reviews originally posted on Glassdoor.

Great benefits including medical, dental, vision, life insurance, PTO, bonuses, etc. Good people, there are lots of smart and determined employees who will help you navigate your company and your job. In my experience most people want you to succeed and they will help you. Its not an "every man for himself" environment.