TikTok Software Engineer Interview Questions
Preparing for TikTok Software Engineer interview questions requires understanding the company’s product focus and scale. TikTok typically
"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."
Find start indices of anagram substrings
You are given two strings: - s: the text string - p: the pattern string Return a list of all starting indices i such that the substring s[i : i + len(...
Debug a Hive query
You are given a prewritten Hive SQL query that produces incorrect results. Describe how you would debug it: identify logical errors (e.g., join condit...
Find substring where all chars appear at least k
You are given a string s and an integer k (1 ≤ k ≤ |s|). Return the length of the longest substring in which every distinct character occurs at least ...
Implement binary tree in-order traversal
Given the root of a binary tree, return the in-order ordering of its node values. Implement both a recursive solution and an iterative solution using ...
Implement distinct islands and sliding maxima
Implement distinct islands and sliding maxima 1) Given a binary grid where 1 represents land and 0 represents water, count how many distinct island sh...
Count deletions making array fair
Question LeetCode 1664. Ways to Make a Fair Array – Given an integer array nums, count the indices whose removal results in the sum of elements at eve...
Flatten object & Promise.all
Question Given a nested JavaScript object, write a function to flatten it so that nested keys are converted to a single-level path (e.g., {a:{b:1}} ->...
Solve intervals and distinct islands
Question LeetCode 56. Merge Intervals LeetCode 694. Number of Distinct Islands https://leetcode.com/problems/merge-intervals/description/ https://leet...
Implement and compare key design patterns
Implement and compare key design patterns Implement Core GoF Patterns in Java and Discuss Trade-offs Context You are designing a small Java library an...
Delete nodes in linked list and binary tree
You are asked to solve two short coding tasks. You may assume standard node definitions: - Singly linked list node: val, next - Binary tree node: val,...
Solve string grouping and tree right-view problems
Problem 1: Group words that are anagrams You are given an array of strings words. Two strings are anagrams if they contain the same characters with th...
Solve grid shortest-path and tree DP
This question pair evaluates proficiency in fundamental algorithmic techniques: finding shortest paths in a grid via breadth-first search and applying...
Solve three classic coding problems
These tasks evaluate algorithmic problem-solving, data structure mastery, and implementation skills within the Coding & Algorithms domain, touching on...
Implement an LRU cache
Problem: LRU Cache Design and implement a data structure that supports an LRU (Least Recently Used) cache with a fixed capacity. Requirements Implemen...
Maximize min+max of contiguous subarray
You are given an array of n positive integers nums. Find a contiguous subarray that contains at least two elements and maximizes the value: > (minimum...
Compute maximum path sum in a binary tree
Question You are given the root of a binary tree where each node contains an integer value (which may be positive, zero, or negative). Return the maxi...
Compute waits and find distance-k node pairs
Part 1 — Array next-higher wait: Given an integer array A where A[i] is the measurement for day i (0-indexed), return an array W of the same length su...
Design LRU cache with O(1) operations
Design and implement an in-memory cache that evicts the least recently used entry when capacity is reached. Support get(key) and put(key, value) in O(...
Solve grid min path and sqrt by binary search
1) Given an m x n matrix of non-negative integers, find a path from the top-left to the bottom-right that minimizes the sum of cell values. You may on...
Segment a message with width-constrained suffixes
Given a message string s and an integer width W, split s into consecutive segments and append a suffix "i/n" to each segment indicating its 1-indexed ...