EY
Ernst & Young Global Limited, a multinational professional services partnership.
4 Rounds
~21 Days
Medium
The Interview Loop
Recruiter Screen (30 min)
Standard fit check, behavioral questions, and resume overview.
Technical Loop (3-4 Rounds)
Deep dive into domain knowledge, coding, and system design.
Interview Question Bank
Full Stack Engineer
•
Coding
•
easy
Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target. You may assume that each input would have exactly one solution.
#Arrays
#Hash Maps
Full Stack Engineer
•
Coding
•
easy
Given a string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.
#Strings
#Stacks
Full Stack Engineer
•
Coding
•
medium
Given a binary search tree (BST), find the lowest common ancestor (LCA) node of two given nodes in the BST.
#Trees
#Recursion
Full Stack Engineer
•
Coding
•
medium
Given an array of intervals where intervals[i] = [starti, endi], merge all overlapping intervals, and return an array of the non-overlapping intervals that cover all the intervals in the input.
#Arrays
#Sorting
Full Stack Engineer
•
Coding
•
medium
Given a string s, find the length of the longest substring without repeating characters.
#Strings
#Sliding Window
#Hash Maps
Full Stack Engineer
•
Coding
•
medium
Given an m x n 2D binary grid grid which represents a map of '1's (land) and '0's (water), return the number of islands. An island is surrounded by water and is formed by connecting adjacent lands horizontally or vertically.
#Graphs
#DFS
#BFS
Difficulty Radar
Based on recent AI-sourced data.
Meet Your Interviewers
The "Standard" Interviewer
Senior EngineerFocuses on core competencies, system constraints, and clear communication.
SimulateUnwritten Rules
Think Out Loud
Always explain your thought process before writing code or drawing architecture.