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Interview questions by company and topic | SysRound

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4,878 questions

Showing 2,901–2,925

CodingDifficulty not specifiedLeetCode 482
License Key Formatting
Remove all dashes and convert letters to uppercase, then reformat the characters into groups of size k (counting from the right) separated by dashes —…
General practice
Open workspace
CodingEasyLeetCode 3940
Limit Occurrences in Sorted Array
Companies: Meta
Array · Two Pointers
Open workspace
CodingDifficulty not specifiedLeetCode 356
Line Reflection
Determine whether a set of 2D points is symmetric about some vertical line x = c — i.e., whether for every point its mirrored point…
General practice
Open workspace

Page 117 of 196

CodingDifficulty not specifiedLeetCode 817

Linked List Components

General practice

CodingEasyLeetCode 141

Linked List Cycle

Companies: Amazon, NVIDIA

Floyd's Cycle Finding Algorithm · Hash Table · Linked List · Two Pointers

CodingDifficulty not specifiedLeetCode 3063

Linked List Frequency

General practice

CodingDifficulty not specifiedLeetCode 1367

Linked List in Binary Tree

General practice

CodingDifficulty not specifiedLeetCode 382

Linked List Random Node

General practice

CodingDifficulty not specifiedLeetCode 1327

List the Products Ordered in a Period

Join Products with Orders, filter orders to February 2020, group by product to sum units, and return product names whose total units in that month…

General practice

CodingDifficulty not specifiedLeetCode 2990

Loan Types

Given a list of loan/application records with attributes, classify or filter them by specified criteria (e.g., amount, term, credit) and return the requested types, counts…

General practice

CodingDifficulty not specifiedLeetCode 558

Logical OR of Two Binary Grids Represented as Quad-Trees

Given two quad-trees representing n×n binary matrices, produce a quad-tree representing their cellwise logical OR. Recursively combine corresponding nodes by applying OR at…

General practice

CodingDifficulty not specifiedLeetCode 531

Lonely Pixel I

Given an m×n grid of 'B' and 'W', count how many black pixels are "lonely" — i.e., they are the only 'B' in both their…

General practice

CodingDifficulty not specifiedLeetCode 533

Lonely Pixel II

Given an m×n grid of 'B' and 'W' and an integer N, count black pixels at (i,j) such that row i and column j each…

General practice

CodingDifficulty not specifiedLeetCode 925

Long Pressed Name

Check whether the string typed can be produced from name by allowing some characters to be long-pressed (repeated); verify the characters appear in the same…

General practice

CodingDifficulty not specifiedLeetCode 1869

Longer Contiguous Segments of Ones than Zeros

Check whether the longest consecutive run of '1's in a binary string s is strictly greater than the longest consecutive run of '0's by scanning…

General practice

CodingMediumLeetCode 3844

Longest Almost-Palindromic Substring

General practice

CodingDifficulty not specifiedLeetCode 2765

Longest Alternating Subarray

Find the longest contiguous subarray (length > 1) whose consecutive differences alternate +1, -1, +1, ... — i.e., each element toggles between prev+1 and prev-1…

General practice

CodingHardLeetCode 3830

Longest Alternating Subarray After Removing At Most One Element

General practice

CodingMediumLeetCode 3872

Longest Arithmetic Sequence After Changing At Most One Element

Companies: Amazon

Array · Enumeration

CodingDifficulty not specifiedLeetCode 1027

Longest Arithmetic Subsequence

Find the length of the longest subsequence of nums whose consecutive elements have the same difference (i.e., form an arithmetic progression). With n up to…

General practice

CodingDifficulty not specifiedLeetCode 1218

Longest Arithmetic Subsequence of Given Difference

Find the length of the longest subsequence (preserving order) in which consecutive elements differ by a given fixed value. With arr up to 1e5, the…

General practice

CodingMediumLeetCode 3719

Longest Balanced Subarray I

Companies: Amazon, Bloomberg, Google, Intuit

Array · Divide and Conquer · Hash Table · Prefix Sum

CodingHardLeetCode 3721

Longest Balanced Subarray II

Companies: Amazon, Google

Array · Divide and Conquer · Hash Table · Prefix Sum

CodingMediumLeetCode 3713

Longest Balanced Substring I

Companies: Amazon, Bloomberg, Google, Meta

Counting · Enumeration · Hash Table · String

CodingMediumLeetCode 3714

Longest Balanced Substring II

Companies: Amazon, Bloomberg, Google, Meta +2

Hash Table · Prefix Sum · String