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Interview questions by company and topic | SysRound

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333 questions

Showing 201–225

CodingHardLeetCode 3901
Good Subsequence Queries
Companies: Amazon, Infosys
Array · Math · Number Theory · Segment Tree
Open workspace
CodingMediumLeetCode 475
Heaters
Given positions of houses and heaters on a line, find the minimum uniform radius R such that every house is within distance R of some…
Companies: Anduril
Array · Binary Search · Sorting · Two Pointers
Open workspace
CodingEasyLeetCode 1086
High Five
Given a list of (studentId, score) pairs, compute each student's average of their top five scores and return the results as (studentId, average) sorted by…
Companies: Goldman Sachs
Array · Hash Table · Heap (Priority Queue) · Sorting

Page 9 of 14

CodingMediumLeetCode 3770

Largest Prime from Consecutive Prime Sum

Companies: Google, Meta

Array · Math · Number Theory

CodingHardLeetCode 84

Largest Rectangle in Histogram

Find the maximum area of a rectangle formed by contiguous bars in a histogram (given bar heights). The core challenge is determining each bar's maximal…

Companies: Bloomberg, Microsoft

Array · Monotonic Stack · Range Minimum/Maximum Query · Stack

CodingEasyLeetCode 1046

Last Stone Weight

Given an array of stone weights, repeatedly take the two heaviest stones, remove them, and if their weights differ push back the difference; return the…

Companies: Apple, Salesforce

Array · Heap (Priority Queue)

CodingMediumLeetCode 1049

Last Stone Weight II

Split the stones into two groups to minimize the absolute difference of their total weights — equivalent to finding the largest subset sum ≤ total_sum/2…

Companies: Apple

0-1 Knapsack · Array · Dynamic Programming · Knapsack Problem

CodingHardLeetCode 4059

Lexicographically Largest Power Array

Companies: Media.net

Array · Bit Manipulation · Greedy

CodingHardLeetCode 3948

Lexicographically Maximum MEX Array

Companies: Amazon, BNY Mellon, InMobi, Tekion

Array · Greedy · Hash Table · Queue

CodingMediumLeetCode 3752

Lexicographically Smallest Negated Permutation that Sums to Target

Companies: Amazon

Array · Greedy · Math · Sorting

CodingEasyLeetCode 3940

Limit Occurrences in Sorted Array

Companies: Meta

Array · Two Pointers

CodingMediumLeetCode 3872

Longest Arithmetic Sequence After Changing At Most One Element

Companies: Amazon

Array · Enumeration

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 300

Longest Increasing Subsequence

Given an array of integers, return the length of the longest strictly increasing subsequence; the core challenge is to compute this efficiently—naive DP is O(n^2)…

Companies: PayPal

Array · Binary Search · Dynamic Programming · Longest Increasing Subsequence

CodingMediumLeetCode 3738

Longest Non-Decreasing Subarray After Replacing at Most One Element

Companies: Google

Array · Dynamic Programming

CodingMediumLeetCode 4063

Longest Subarray Divisible by K with At Most One Negation I

Companies: Amazon

Array · Hash Table · Prefix Sum

CodingMediumLeetCode 3702

Longest Subsequence With Non-Zero Bitwise XOR

Companies: Bloomberg, Google, Infosys

Array · Bit Manipulation

CodingMediumLeetCode 851

Loud and Rich

Given an acyclic directed graph of richer->poorer relations and a quietness score per person, compute for each person the quietest person among all people who…

Companies: Flipkart

Array · Depth-First Search · Directed Acyclic Graph · Graph Theory

CodingMediumLeetCode 2948

Make Lexicographically Smallest Array by Swapping Elements

You may swap two indices iff their values differ by at most limit; compute the lexicographically smallest array obtainable by any sequence of such swaps…

Companies: Goldman Sachs, Uber

Array · Sorting · Union-Find

CodingHardLeetCode 3695

Maximize Alternating Sum Using Swaps

Companies: Google

Array · Greedy · Sorting · Union-Find

CodingHardLeetCode 3743

Maximize Cyclic Partition Score

Companies: Amazon, Google

Array · Dynamic Programming

CodingMediumLeetCode 849

Maximize Distance to Closest Person

Given a binary array where 1s are occupied seats, find an empty seat that maximizes the distance to the nearest occupied seat. The core challenge…

Companies: Adobe, Roblox

Array

CodingHardLeetCode 3920

Maximize Fixed Points After Deletions

Companies: Amazon

Array · Binary Search · Sorting

CodingHardLeetCode 4068

Maximize Meeting Earnings with Idle Gaps

Companies: Amazon

Array · Binary Search · Dynamic Programming · Sorting