Zynga Interview Questions

Note: ensure you read the disclaimer on the previous page reading the accuracy and sourcing of these problems.

The Coin Change Problem

If I give you coins of denominations 3, 7, 9 a coin worth 3 cents, a coin worth 7 cents, etc. , can you tell me the minimum number of coins that are needed to make a total of 37 ? You can assume that an infinite supply of all these coins are available to you. This challenge is about so...

Difficulty: 8/10

Mean Per Level

We are given a binary tree lessons an intro to binary trees and search trees and are tasked with writing a method that determines the average of every level in the tree. So for instance, given the following binary tree, we'd get 2, 5, 7 if the method grabbed the correct means. js ...

Difficulty: 4/10

Closures and Dependency Injection

In JavaScript, closures and dependency injection are powerful concepts that enable modular, maintainable, and flexible code. In this challenge, you will explore these concepts by implementing a specific functionality using closures and then using closures for dependency injection. **Part 1: C...

Difficulty: 6/10

Two Stack Queue

Building a Queue with Two Stacks: A Challenge in Engineering Elegance The Objective: Queue with Stacks In this challenge, your task is to implement a queue using two stacks. While many programming languages offer queues through arrays or lists, we're restricting our approach to only utilize ...

Difficulty: 6/10

Design A Least Recently Used (LRU) Cache

A cache pronounced cash is a place of storage that allows for faster data retrieval. Separate from the main data storage, it's usually faster memory that houses frequently accessed values. With a cache in place, when a client application needs to access data, it'll check the cache first befo...

Difficulty: 7/10

Generate All String Permutations

Write an algorithm that takes an input string like "abc" , and prints out all possible permutations of the string. A permutation of a group of elements is defined as one of the n! number possible arrangements the elements can take, where n is the number of elements in the range. We'd expect t...

Difficulty: 6/10

Validate a BST

Given a binary search tree like the one below, can you write a function that will return true if it is valid? 5 3 9 1 4 Recall that a BST is valid only given the following conditions: The left child subtree of a node contains only nodes with v...

Difficulty: 4/10

Treats Distribution

Say we are given an integer array of an even length, where different numbers in the array represent certain kinds of snacks or treats. Each number maps to, or represents, one kind of snack. So the following array would have two kinds: snack type 3 and type 2 : js const snacks 3, 3, 2, 2 ...

Difficulty: 4/10

System Design Principles

**Unlock Your Full Potential with AlgoDaily!** We hope you're enjoying this course. At AlgoDaily, our aim is to transform complex coding challenges into engaging, bite sized lessons. And while our free lessons give you a glimpse of this transformative experience, there's so much more in store. ...

Difficulty: 5/10

What are Strings and String Operations?

In this lesson, we will discuss one of the basic types in programming languages, with a focus on the following key points, 1. What are strings, and common string operations? 2. Working with strings in one of a few introductory programming languages. _This is a general purpose tutorial for mu...

Difficulty: 5/10

Introduction to Redux

Introduction to Redux Redux is a state management library that works well with JavaScript applications, including React. It provides a predictable state container and helps manage the state of an application in a centralized manner. The core concept of Redux involves three main components: the...

Difficulty: 5/10

Lesson 2: Reading Gmail API in C++

Difficulty: 5/10

Interview Reports

Zynga Interview Questions | CareerCup ...

Zynga Interview Questions | Glassdoor...

Zynga interview details: 460 interview questions and 394 interview reviews posted anonymously by Zynga interview candidates.

What should one expect during an on-site interview at Zynga for a programmi...

People at Zynga Say

This information was sourced from reviews originally posted on Glassdoor.

Great benefits. Opportunities to move around the company. Your experience will vary widely depending on which studio you work in. Each game is like their own mini-company.

Benefits are good. Work on some teams is interesting.

Good perks and benefits. Free lunch and dinner. 5 - 25% bonus and equity. Has a start uppy feel. To it.

Zynga prided itself on growing young employees into incredible talent. Employees were evaluated and rewarded on a quarterly basis. Normally, this was done with stock and cash bonuses. Nowadays, there's a more structured system for reviewing employees, where the old days would give bigger reward pools to teams doing well.