Bytedance Software Engineer Coding & Algorithms Interview Questions
Practice 31 real Coding & Algorithms interview questions for Software Engineer roles at Bytedance.
"I got asked a hardcore MCM DP question and I saw it on PracHub as well. Solved that question in 5 minutes. Without PracHub I doubt I could solve it in 5 hours. Though somehow didn't get hired, perhaps I guess I solved it too fast? /s"
"Believe me i'm a student here jn US. Recently interviewed for MSFT. They asked me exact question from PracHub. I saw it the night before and ignored it cause why waste time on random sites. I legit wanna go back and redo this whole thing if I had chance. Not saying will work for everyone but there is certainly some merit to that website. And i'm gonna use it in future prep from now on like lc tagged"
"10 years of experience but never worked at a top company. PracHub's senior-level questions helped me break into FAANG at 35. Age is just a number."
"I was skeptical about the 'real questions' claim, so I put it to the test. I searched for the exact question I got grilled on at my last Meta onsite... and it was right there. Word for word."
"Got a Google recruiter call on Monday, interview on Friday. Crammed PracHub for 4 days. Passed every round. This platform is a miracle worker."
"I've used LC, Glassdoor, and random Discords. Nothing comes close to the accuracy here. The questions are actually current — that's what got me. Felt like I had a cheat sheet during the interview."
"The solution quality is insane. It covers approach, edge cases, time complexity, follow-ups. Nothing else comes close."
"Legit the only resource you need. TC went from 180k -> 350k. Just memorize the top 50 for your target company and you're golden."
"PracHub Premium for one month cost me the price of two coffees a week. It landed me a $280K+ starting offer."
"Literally just signed a $600k offer. I only had 2 weeks to prep, so I focused entirely on the company-tagged lists here. If you're targeting L5+, don't overthink it."
"Coaches and bootcamp prep courses cost around $200-300 but PracHub Premium is actually less than a Netflix subscription. And it landed me a $178K offer."
"I honestly don't know how you guys gather so many real interview questions. It's almost scary. I walked into my Amazon loop and recognized 3 out of 4 problems from your database."
"Discovered PracHub 10 days before my interview. By day 5, I stopped being nervous. By interview day, I was actually excited to show what I knew."
"I recently cleared Uber interviews (strong hire in the design round) and all the questions were present in prachub."
"The search is what sold me. I typed in a really niche DP problem I got asked last year and it actually came up, full breakdown and everything. These guys are clearly updating it constantly."
Elements Occurring More Than n/3 Times in a Sorted Array
You are given a sorted (non-decreasing) integer array nums of length n, where n >= 3. Return every distinct value that occurs strictly more than n / 3...
Reverse a Singly Linked List
Reverse a Singly Linked List You are given the head of a singly linked list. Each node stores an integer value and a pointer to the next node. Reverse...
Reverse Nodes in Groups of K
Reverse Nodes in Groups of K You are given the head of a singly linked list and a positive integer k. Reverse the nodes of the list k at a time and re...
Least Frequently Used (LFU) Cache
Least Frequently Used (LFU) Cache Design and implement a data structure for a Least Frequently Used (LFU) cache that supports get and put operations i...
Course Schedule Feasibility
Course Schedule Feasibility You are registering for numCourses courses, labeled 0 to numCourses - 1. Some courses have prerequisites: before you can t...
Find the Best Word for a Query Suffix
Given dictionary words and query strings, return for each query the dictionary word with the longest common suffix. Ties go to the shortest word, then...
Shortest Path in a Grid with Limited Obstacle Removal
Shortest Path in a Grid with Limited Obstacle Removal You are given an m x n integer grid grid where each cell is one of: - 0 — an empty cell you can ...
Solve Sliding Window and Grid Search
In a Software Engineer phone screen, the candidate was asked to solve two coding problems. 1. Longest substring with at most k distinct characters ...
Reverse Nodes in K-Sized Groups
Given the head of a singly linked list and an integer k, reverse the nodes of the list in contiguous groups of size k. Requirements: - Only complete g...
Minimize Increments to Equalize Path Costs
You are given a perfect binary tree with n nodes, labeled from 1 to n in level-order. For any non-leaf node i, its left child is 2 i and its right ch...
Reverse Words While Preserving Spaces
Implement a C++ function that reverses the order of words in a string. Assume a word is any maximal sequence of non-space characters, and the input co...
Find LCA With Parent Pointers
Given two nodes in a rooted tree, find their lowest common ancestor. Each node has a pointer to its parent. You are not given the root of the tree. De...
Solve these string, subset, and date problems
You are asked to solve multiple coding tasks. 1) Reverse word order in a string - Input: a string s containing words separated by spaces (may contain ...
Count Target-Sum Paths in an N-ary Tree
You are given the root of an N-ary tree. Each node contains an integer value and a list of zero or more child nodes. You are also given an integer tar...
Solve interval merging and histogram area
The coding round included two algorithm problems: 1. Merge overlapping intervals: Given a list of closed intervals [[start1, end1], [start2, end2], .....
Find Minimum Time Across a Grid
You are given an n x n grid of non-negative integers. Each value represents the earliest time at which that cell becomes traversable. You start at the...
Reverse Linked List Groups
Given the head of a singly linked list and a positive integer k, reverse the list in consecutive groups of size k. Unlike the common variant where a f...
Find Missing Ranges with Bounds
Given a sorted array of distinct integers nums and two integers lower and upper that define an inclusive interval [lower, upper], return all maximal r...
Find Words in a Character Grid
Implement findWords(board, words) for a word-search game. You are given an m x n grid of lowercase English letters and a list of lowercase dictionary ...
Implement Interval Insert and Dedup
This interview round contained two coding problems: 1. Insert and merge intervals. You are given a list of non-overlapping intervals sorted by start t...