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Interview questions by company and topic | SysRound

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333 questions

Showing 301–325

CodingMediumLeetCode 2171
Removing Minimum Number of Magic Beans
Given an array of positive integers (bag counts), remove beans (only deletions allowed) so that every non-empty bag has the same count, minimizing total beans…
Companies: D. E. Shaw
Array · Enumeration · Greedy · Prefix Sum
Open workspace
CodingHardLeetCode 493
Reverse Pairs
Count the number of index pairs (i, j) with 0 ≤ i < j < n such that nums[i] > 2 * nums[j]; this is…
Companies: eBay
Array · Binary Indexed Tree · Binary Search · Divide and Conquer
Open workspace
CodingMediumLeetCode 2512
Reward Top K Students
Given lists of positive and negative words and one feedback report per student, compute each student's score (+3 per positive word, -1 per negative word)…

Page 13 of 14

Companies: Booking.com

Array · Hash Table · Heap (Priority Queue) · Sorting

CodingMediumLeetCode 3819

Rotate Non Negative Elements

Companies: Accolite

Array · Simulation

CodingMediumLeetCode 1648

Sell Diminishing-Valued Colored Balls

Given inventories where each sale of a color yields value equal to its current count and reduces that count by one, choose which balls to…

Companies: Goldman Sachs

Array · Binary Search · Greedy · Heap (Priority Queue)

CodingEasyLeetCode 1470

Shuffle the Array

Given an array nums of length 2n structured as [x1,...,xn,y1,...,yn], return a new array that interleaves the two halves into [x1,y1,x2,y2,...,xn,yn].

Companies: Microsoft

Array

CodingEasyLeetCode 3718

Smallest Missing Multiple of K

Companies: Amazon, Bloomberg, Google, Microsoft

Array · Hash Table

CodingEasyLeetCode 3852

Smallest Pair With Different Frequencies

Companies: Nagarro

Array · Counting · Hash Table

CodingEasyLeetCode 3903

Smallest Stable Index I

Companies: Bloomberg, Google, Microsoft

Array · Prefix Sum

CodingMediumLeetCode 3904

Smallest Stable Index II

Companies: Google, Microsoft

Array · Prefix Sum

CodingHardLeetCode 1125

Smallest Sufficient Team

Given up to 16 required skills and up to 60 people each with some skills, find the smallest set of people whose combined skills cover…

Companies: Airbnb

Array · Bit Manipulation · Bitmask · Dynamic Programming

CodingMediumLeetCode 909

Snakes and Ladders

Treat the boustrophedon-labeled board as a 1D graph of squares where from any square you can move 1–6 steps (dice roll), but landing on a…

Companies: Tesla

Array · Breadth-First Search · Matrix

CodingEasyLeetCode 3769

Sort Integers by Binary Reflection

Companies: Google

Array · Sorting

CodingMediumLeetCode 3698

Split Array With Minimum Difference

Companies: Google

Array · Prefix Sum

CodingMediumLeetCode 3728

Stable Subarrays With Equal Boundary and Interior Sum

Companies: Amazon, Microsoft

Array · Hash Table · Prefix Sum

CodingMediumLeetCode 974

Subarray Sums Divisible by K

Count the number of contiguous subarrays whose sum is divisible by k; this reduces to counting pairs of prefix sums with the same remainder modulo…

Companies: TikTok

Array · Hash Table · Prefix Sum

CodingMediumLeetCode 4039

Sum of Decoded Numbers

Companies: Flipkart

Array · Math · Simulation

CodingMediumLeetCode 3867

Sum of GCD of Formed Pairs

Companies: Amazon, Bloomberg, Google, Microsoft

Array · Math · Number Theory · Simulation

CodingMediumLeetCode 2718

Sum of Matrix After Queries

Given an n×n zero matrix and queries that set entire rows or columns (overwriting previous values), compute the final matrix sum. Because later updates override…

Companies: Salesforce

Array · Hash Table

CodingHardLeetCode 3715

Sum of Perfect Square Ancestors

Companies: Amazon, Google, Meesho

Array · Counting · Depth-First Search · Hash Table

CodingHardLeetCode 3886

Sum of Sortable Integers

Companies: Amazon, Bloomberg

Array · Enumeration · Math · Sorting

CodingEasyLeetCode 2778

Sum of Squares of Special Elements

Given a 1-indexed integer array nums of length n, compute the sum of squares of all elements at indices i that divide n (i.e., n…

Companies: Bloomberg

Array · Enumeration

CodingEasyLeetCode 3842

Toggle Light Bulbs

Companies: Juspay

Array · Hash Table · Simulation · Sorting

CodingMediumLeetCode 477

Total Hamming Distance

Given an array of nonnegative integers, compute the sum of Hamming distances over all pairs of numbers. Key idea: for each bit position, count how…

Companies: Apple

Array · Bit Manipulation · Math

CodingHardLeetCode 3786

Total Sum of Interaction Cost in Tree Groups

Companies: Amazon

Array · Depth-First Search · Tree