Simulation Interview Questions

Rank

#750HardFrequency: 100%

Contain Virus

Array Depth-First Search Breadth-First Search Matrix Simulation

Rank

#348MediumFrequency: 93.6%

Design Tic-Tac-Toe

Asked at Databricks

Array Hash Table Design Matrix Simulation

Rank

#2464MediumFrequency: 79.6%

Time Needed to Rearrange a Binary String

String Dynamic Programming Simulation

Rank

#756MediumFrequency: 77.1%

Pour Water

Rank

#2166HardFrequency: 73.2%

Number of Valid Move Combinations On Chessboard

Array String Backtracking Simulation

Rank

#2169MediumFrequency: 72.1%

Simple Bank System

Rank

#54MediumFrequency: 71.1%

Spiral Matrix

Rank

#498MediumFrequency: 67%

Diagonal Traverse

Rank

#415EasyFrequency: 65.5%

Add Strings

#10

Rank

#1119MediumFrequency: 65.5%

Robot Bounded In Circle

#11

Rank

#3974MediumFrequency: 62.5%

XOR After Range Multiplication Queries I

Array Divide and Conquer Simulation Prefix Sum

#12

Rank

#735MediumFrequency: 62.2%

Asteroid Collision

#13

Rank

#2479HardFrequency: 61.4%

Meeting Rooms III

Array Hash Table Sorting Heap (Priority Queue)Simulation

#14

Rank

#2058EasyFrequency: 58.6%

Concatenation of Array

#15

Rank

#3215EasyFrequency: 55.1%

Matrix Similarity After Cyclic Shifts

Array Math Matrix Simulation

#16

Rank

#1803MediumFrequency: 55.1%

Average Waiting Time

#17

Rank

#1971MediumFrequency: 54.4%

Incremental Memory Leak

#18

Rank

#67EasyFrequency: 53.4%

Add Binary

Math String Bit Manipulation Simulation

#19

Rank

#2679EasyFrequency: 53.4%

Count Distinct Numbers on Board

Array Hash Table Math Simulation

#20

Rank

#3732MediumFrequency: 53.1%

Calculate Score After Performing Instructions

Array Hash Table String Simulation

#21

Rank

#1710HardFrequency: 53.1%

Find Servers That Handled Most Number of Requests

Array Heap (Priority Queue)Simulation Ordered Set

#22

Rank

#43MediumFrequency: 49.3%

Multiply Strings

#23

Rank

#1820HardFrequency: 47.5%

Number Of Ways To Reconstruct A Tree

Array Hash Table Tree Graph Theory Simulation

#24

Rank

#2361EasyFrequency: 47.5%

Calculate Digit Sum of a String

#25

Rank

#2436EasyFrequency: 46.5%

Make Array Zero by Subtracting Equal Amounts

Array Hash Table Greedy Sorting Heap (Priority Queue)Simulation

#26

Rank

#1400EasyFrequency: 46%

Find Winner on a Tic Tac Toe Game

#27

Rank

#2642HardFrequency: 44.7%

Time to Cross a Bridge

#28

Rank

#983MediumFrequency: 44.7%

Validate Stack Sequences

#29

Rank

#2271MediumFrequency: 44.6%

Rearrange Array Elements by Sign

#30

Rank

#1951MediumFrequency: 43.7%

Find the Winner of the Circular Game

Array Math Recursion Queue Simulation

#31

Rank

#258EasyFrequency: 43.3%

Add Digits

Math Simulation Number Theory

#32

Rank

#1184MediumFrequency: 43.2%

Car Pooling

Array Sorting Heap (Priority Queue)Simulation Prefix Sum

#33

Rank

#2846HardFrequency: 43.2%

Robot Collisions

Array Stack Sorting Simulation

#34

Rank

#2587MediumFrequency: 43%

Design Memory Allocator

#35

Rank

#412EasyFrequency: 42%

Fizz Buzz

#36

Rank

#1708EasyFrequency: 41.4%

Design Parking System

Design Simulation Counting

#37

Rank

#2324MediumFrequency: 40.8%

Find Triangular Sum of an Array

Array Math Simulation Combinatorics Number Theory

#38

Rank

#59MediumFrequency: 37%

Spiral Matrix II

#39

Rank

#3931MediumFrequency: 35.9%

Process String with Special Operations I

#40

Rank

#874EasyFrequency: 34.8%

Backspace String Compare

Two Pointers String Stack Simulation

#41

Rank

#1642EasyFrequency: 34.3%

Water Bottles

#42

Rank

#2299MediumFrequency: 34.3%

Merge Nodes in Between Zeros

Linked List Simulation

#43

Rank

#1382EasyFrequency: 33.3%

Calculate Amount Paid in Taxes

#44

Rank

#2265MediumFrequency: 32.3%

Partition Array According to Given Pivot

#45

Rank

#2470MediumFrequency: 32.3%

Removing Stars From a String

#46

Rank

#898EasyFrequency: 31.8%

Transpose Matrix

#47

Rank

#2021MediumFrequency: 31.3%

Remove All Occurrences of a Substring

#48

Rank

#861EasyFrequency: 31.1%

Flipping an Image

Array Two Pointers Bit Manipulation Matrix Simulation

#49

Rank

#1449MediumFrequency: 31.1%

Print Words Vertically

#50

Rank

#1802EasyFrequency: 31.1%

Number of Students Unable to Eat Lunch

Array Stack Queue Simulation

#51

Rank

#2076EasyFrequency: 31.1%

Sum of Digits of String After Convert

#52

Rank

#2155MediumFrequency: 31.1%

Find Missing Observations

#53

Rank

#2617HardFrequency: 30.4%

Time Taken to Cross the Door

#54

Rank

#2048EasyFrequency: 29.7%

Build Array from Permutation

#55

Rank

#158HardFrequency: 29.5%

Read N Characters Given read4 II - Call Multiple Times

#56

Rank

#1048MediumFrequency: 29.3%

Clumsy Factorial

Math Stack Simulation

#57

Rank

#4242MediumFrequency: 29.1%

Sum of GCD of Formed Pairs

Array Math Two Pointers Sorting Simulation Number Theory

#58

Rank

#2389HardFrequency: 28.1%

Design a Text Editor

Linked List String Stack Design Simulation Doubly-Linked List

#59

Rank

#682EasyFrequency: 27.8%

Baseball Game

#60

Rank

#289MediumFrequency: 27.7%

Game of Life

#61

Rank

#353MediumFrequency: 27.7%

Design Snake Game

Array Hash Table Design Queue Simulation

#62

Rank

#3320EasyFrequency: 27.3%

Maximum Number of Operations With the Same Score I

#63

Rank

#4009EasyFrequency: 27.3%

Bitwise OR of Even Numbers in an Array

Array Bit Manipulation Simulation

#64

Rank

#657EasyFrequency: 27.2%

Robot Return to Origin

#65

Rank

#3768EasyFrequency: 26.5%

Check If Digits Are Equal in String After Operations I

Math String Simulation Combinatorics Number Theory

#66

Rank

#2132EasyFrequency: 26.3%

Convert 1D Array Into 2D Array

#67

Rank

#1552MediumFrequency: 25.4%

Build an Array With Stack Operations

#68

Rank

#1800MediumFrequency: 25.1%

Concatenation of Consecutive Binary Numbers

Math Bit Manipulation Simulation

#69

Rank

#1667MediumFrequency: 25.1%

Find Kth Bit in Nth Binary String

#70

Rank

#723MediumFrequency: 24.6%

Candy Crush

Array Two Pointers Matrix Simulation

#71

Rank

#3773EasyFrequency: 24.4%

Minimum Pair Removal to Sort Array I

Array Hash Table Linked List Heap (Priority Queue)Simulation Doubly-Linked List Ordered Set

#72

Rank

#640MediumFrequency: 23.6%

Solve the Equation

Math String Simulation Linear Algebra

#73

Rank

#157EasyFrequency: 23.4%

Read N Characters Given Read4

#74

Rank

#2639EasyFrequency: 23.4%

Separate the Digits in an Array

#75

Rank

#3447EasyFrequency: 23.3%

Clear Digits

#76

Rank

#2137EasyFrequency: 22.1%

Final Value of Variable After Performing Operations

#77

Rank

#3600EasyFrequency: 22.1%

Find the K-th Character in String Game I

Math Bit Manipulation Recursion Simulation

#78

Rank

#3790EasyFrequency: 22.1%

Fruits Into Baskets II

Array Binary Search Segment Tree Simulation Ordered Set

#79

Rank

#906MediumFrequency: 22%

Walking Robot Simulation

#80

Rank

#1386EasyFrequency: 21.9%

Shift 2D Grid

#81

Rank

#1520MediumFrequency: 21.9%

Number of Steps to Reduce a Number in Binary Representation to One

String Bit Manipulation Simulation

#82

Rank

#2197MediumFrequency: 21.9%

Decode the Slanted Ciphertext

#83

Rank

#2232MediumFrequency: 21.9%

Adding Spaces to a String

Array Two Pointers String Simulation

#84

Rank

#2388MediumFrequency: 21.9%

Replace Elements in an Array

#85

Rank

#2606MediumFrequency: 21.9%

Difference Between Ones and Zeros in Row and Column

#86

Rank

#2374MediumFrequency: 21.5%

Steps to Make Array Non-decreasing

Array Linked List Dynamic Programming Stack Monotonic Stack Simulation

#87

Rank

#2483MediumFrequency: 21.5%

Task Scheduler II

#88

Rank

#2662MediumFrequency: 21.5%

Check Knight Tour Configuration

Array Depth-First Search Breadth-First Search Matrix Simulation

#89

Rank

#1310MediumFrequency: 20.9%

Watering Plants

#90

Rank

#3794MediumFrequency: 20.9%

Find the Minimum Amount of Time to Brew Potions

#91

Rank

#3905MediumFrequency: 20.9%

Partition String

Hash Table String Trie Simulation

#92

Rank

#537MediumFrequency: 20%

Complex Number Multiplication

#93

Rank

#1525MediumFrequency: 20%

Queries on a Permutation With Key

Array Binary Indexed Tree Simulation Sqrt Decomposition

#94

Rank

#2834MediumFrequency: 20%

Relocate Marbles

#95

Rank

#544MediumFrequency: 19.5%

Output Contest Matches

#96

Rank

#1627MediumFrequency: 19.5%

Last Moment Before All Ants Fall Out of a Plank

Array Brainteaser Simulation

#97

Rank

#2195EasyFrequency: 19.5%

Time Needed to Buy Tickets

#98

Rank

#987MediumFrequency: 19.5%

Reveal Cards In Increasing Order

Array Queue Sorting Simulation

#99

Rank

#3311EasyFrequency: 19.5%

Ant on the Boundary

#100

Rank

#1657MediumFrequency: 19.5%

Find the Winner of an Array Game

#101

Rank

#1324MediumFrequency: 18%

Where Will the Ball Fall

#102

Rank

#2408MediumFrequency: 18%

Number of People Aware of a Secret

Dynamic Programming Queue Simulation

#103

Rank

#2551EasyFrequency: 18%

Apply Operations to an Array

#104

Rank

#3651EasyFrequency: 18%

Transformed Array

#105

Rank

#566EasyFrequency: 17%

Reshape the Matrix

#106

Rank

#3332MediumFrequency: 17%

Minimum Operations to Exceed Threshold Value II

#107

Rank

#1684MediumFrequency: 16.4%

Find Latest Group of Size M

Array Hash Table Binary Search Simulation

#108

Rank

#1903MediumFrequency: 16.4%

Design Most Recently Used Queue

Array Linked List Divide and Conquer Design Simulation Doubly-Linked List Sqrt Decomposition Treap Splay Tree

#109

Rank

#1935MediumFrequency: 16.4%

Minimum Number of Operations to Reinitialize a Permutation

#110

Rank

#2228MediumFrequency: 16.4%

Watering Plants II

#111

Rank

#3555EasyFrequency: 16.1%

Final Array State After K Multiplication Operations I

Array Math Heap (Priority Queue)Simulation

#112

Rank

#3226EasyFrequency: 16.1%

Minimum Number Game

Array Sorting Heap (Priority Queue)Simulation

#113

Rank

#3772HardFrequency: 15.7%

Minimum Pair Removal to Sort Array II

Array Hash Table Linked List Heap (Priority Queue)Simulation Doubly-Linked List Ordered Set

#114

Rank

#3939HardFrequency: 15.7%

Process String with Special Operations II

#115

Rank

#2692EasyFrequency: 14.6%

Take Gifts From the Richest Pile

#116

Rank

#2178MediumFrequency: 14.6%

Walking Robot Simulation II

Design Simulation

#117

Rank

#592MediumFrequency: 12.6%

Fraction Addition and Subtraction

Math String Simulation Euclidean Algorithm Greatest Common Divisor

#118

Rank

#3434MediumFrequency: 12.6%

Find the Number of Distinct Colors Among the Balls

#119

Rank

#2288EasyFrequency: 12.6%

Count Operations to Obtain Zero

#120

Rank

#2274EasyFrequency: 12.6%

Keep Multiplying Found Values by Two

#121

Rank

#2428MediumFrequency: 12%

Equal Row and Column Pairs

#122

Rank

#2411MediumFrequency: 12%

Spiral Matrix IV

Array Linked List Matrix Simulation

#123

Rank

#1806EasyFrequency: 12%

Count of Matches in Tournament

#124

Rank

#2553MediumFrequency: 12%

Total Cost to Hire K Workers

Array Two Pointers Heap (Priority Queue)Simulation

#125

Rank

#3721MediumFrequency: 12%

Count Mentions Per User

Array Math Sorting Simulation

#126

Rank

#2343MediumFrequency: 11.4%

Count Unguarded Cells in the Grid

#127

Rank

#921MediumFrequency: 10.5%

Spiral Matrix III

#128

Rank

#2800EasyFrequency: 10.5%

Minimum String Length After Removing Substrings

#129

Rank

#1041EasyFrequency: 10.5%

Available Captures for Rook

#130

Rank

#2695MediumFrequency: 10.3%

Find Score of an Array After Marking All Elements

Array Hash Table Sorting Heap (Priority Queue)Simulation

#131

Rank

#495EasyFrequency: 10.3%

Teemo Attacking

#132

Rank

#3616EasyFrequency: 10.3%

Make Array Elements Equal to Zero

#133

Rank

#2006MediumFrequency: 8.1%

Find the Student that Will Replace the Chalk

Array Binary Search Simulation Prefix Sum

#134

Rank

#3860MediumFrequency: 8%

Resulting String After Adjacent Removals

#135

Rank

#2043MediumFrequency: 8%

Cyclically Rotating a Grid

#136

Rank

#2203MediumFrequency: 7.3%

Number of Spaces Cleaning Robot Cleaned

#137

Rank

#1769EasyFrequency: 7.2%

Get Maximum in Generated Array

#138

Rank

#1505EasyFrequency: 5.5%

Create Target Array in the Given Order

#139

Rank

#3540MediumFrequency: 5.5%

Hash Divided String

#140

Rank

#2260EasyFrequency: 5.5%

Divide a String Into Groups of Size k

#141

Rank

#2585EasyFrequency: 5.5%

Delete Greatest Value in Each Row

Array Sorting Heap (Priority Queue)Matrix Simulation

#142

Rank

#3708EasyFrequency: 5.5%

Zigzag Grid Traversal With Skip

#143

Rank

#3336MediumFrequency: 5.5%

Water Bottles II

#144

Rank

#2317MediumFrequency: 5.5%

Count Collisions on a Road

#145

Rank

#3811EasyFrequency: 5.5%

Reverse Degree of a String

#146

Rank

#4216EasyFrequency: 5.5%

Weighted Word Mapping

#147

Rank

#2645EasyFrequency: 5%

Pass the Pillow

#148

Rank

#3533EasyFrequency: 5%

Snake in Matrix

#149

Rank

#1378EasyFrequency: 5%

Cells with Odd Values in a Matrix

#150

Rank

#3634MediumFrequency: 5%

Find Mirror Score of a String

Hash Table String Stack Simulation

#151

Rank

#1928MediumFrequency: 5%

Number of Orders in the Backlog

#152

Rank

#1705MediumFrequency: 5%

Count Unhappy Friends

#153

Rank

#3556HardFrequency: 5%

Final Array State After K Multiplication Operations II

#154

Rank

#4275EasyFrequency: 5%

Traffic Signal Color

#155

Rank

#1342MediumFrequency: 5%

Queens That Can Attack the King

#156

Rank

#3426EasyFrequency: 5%

Minimum Number of Chairs in a Waiting Room

#157

Rank

#2698EasyFrequency: 5%

Find the Array Concatenation Value

#158

Rank

#2857EasyFrequency: 5%

Total Distance Traveled

#159

Rank

#4299EasyFrequency: 5%

Concatenate Array With Reverse

#160

Rank

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Simulation Interview Questions

Master 160 simulation problems frequently asked in technical interviews. These questions test your understanding of simulationconcepts and are essential for coding interview success.

160

Total Problems

Easy

Medium

Hard

Text Justification

Rank

#750HardFrequency: 100%

Contain Virus

Array Depth-First Search Breadth-First Search Matrix Simulation

Rank

#348MediumFrequency: 93.6%

Design Tic-Tac-Toe

Asked at Databricks

Array Hash Table Design Matrix Simulation

Rank

#2464MediumFrequency: 79.6%

Time Needed to Rearrange a Binary String

String Dynamic Programming Simulation

Rank

#756MediumFrequency: 77.1%

Pour Water

Rank

#2166HardFrequency: 73.2%

Number of Valid Move Combinations On Chessboard

Array String Backtracking Simulation

Rank

#2169MediumFrequency: 72.1%

Simple Bank System

Rank

#54MediumFrequency: 71.1%

Spiral Matrix

Rank

#498MediumFrequency: 67%

Diagonal Traverse

Rank

#415EasyFrequency: 65.5%

Add Strings

#10

Rank

#1119MediumFrequency: 65.5%

Robot Bounded In Circle

#11

Rank

#3974MediumFrequency: 62.5%

XOR After Range Multiplication Queries I

Array Divide and Conquer Simulation Prefix Sum

#12

Rank

#735MediumFrequency: 62.2%

Asteroid Collision

#13

Rank

#2479HardFrequency: 61.4%

Meeting Rooms III

Array Hash Table Sorting Heap (Priority Queue)Simulation

#14

Rank

#2058EasyFrequency: 58.6%

Concatenation of Array

#15

Rank

#3215EasyFrequency: 55.1%

Matrix Similarity After Cyclic Shifts

Array Math Matrix Simulation

#16

Rank

#1803MediumFrequency: 55.1%

Average Waiting Time

#17

Rank

#1971MediumFrequency: 54.4%

Incremental Memory Leak

#18

Rank

#67EasyFrequency: 53.4%

Add Binary

Math String Bit Manipulation Simulation

#19

Rank

#2679EasyFrequency: 53.4%

Count Distinct Numbers on Board

Array Hash Table Math Simulation

#20

Rank

#3732MediumFrequency: 53.1%

Calculate Score After Performing Instructions

Array Hash Table String Simulation

#21

Rank

#1710HardFrequency: 53.1%

Find Servers That Handled Most Number of Requests

Array Heap (Priority Queue)Simulation Ordered Set

#22

Rank

#43MediumFrequency: 49.3%

Multiply Strings

#23

Rank

#1820HardFrequency: 47.5%

Number Of Ways To Reconstruct A Tree

Array Hash Table Tree Graph Theory Simulation

#24

Rank

#2361EasyFrequency: 47.5%

Calculate Digit Sum of a String

#25

Rank

#2436EasyFrequency: 46.5%

Make Array Zero by Subtracting Equal Amounts

Array Hash Table Greedy Sorting Heap (Priority Queue)Simulation

#26

Rank

#1400EasyFrequency: 46%

Find Winner on a Tic Tac Toe Game

#27

Rank

#2642HardFrequency: 44.7%

Time to Cross a Bridge

#28

Rank

#983MediumFrequency: 44.7%

Validate Stack Sequences

#29

Rank

#2271MediumFrequency: 44.6%

Rearrange Array Elements by Sign

#30

Rank

#1951MediumFrequency: 43.7%

Find the Winner of the Circular Game

Array Math Recursion Queue Simulation

#31

Rank

#258EasyFrequency: 43.3%

Add Digits

Math Simulation Number Theory

#32

Rank

#1184MediumFrequency: 43.2%

Car Pooling

Array Sorting Heap (Priority Queue)Simulation Prefix Sum

#33

Rank

#2846HardFrequency: 43.2%

Robot Collisions

Array Stack Sorting Simulation

#34

Rank

#2587MediumFrequency: 43%

Design Memory Allocator

#35

Rank

#412EasyFrequency: 42%

Fizz Buzz

#36

Rank

#1708EasyFrequency: 41.4%

Design Parking System

Design Simulation Counting

#37

Rank

#2324MediumFrequency: 40.8%

Find Triangular Sum of an Array

Array Math Simulation Combinatorics Number Theory

#38

Rank

#59MediumFrequency: 37%

Spiral Matrix II

#39

Rank

#3931MediumFrequency: 35.9%

Process String with Special Operations I

#40

Rank

#874EasyFrequency: 34.8%

Backspace String Compare

Two Pointers String Stack Simulation

#41

Rank

#1642EasyFrequency: 34.3%

Water Bottles

#42

Rank

#2299MediumFrequency: 34.3%

Merge Nodes in Between Zeros

Linked List Simulation

#43

Rank

#1382EasyFrequency: 33.3%

Calculate Amount Paid in Taxes

#44

Rank

#2265MediumFrequency: 32.3%

Partition Array According to Given Pivot

#45

Rank

#2470MediumFrequency: 32.3%

Removing Stars From a String

#46

Rank

#898EasyFrequency: 31.8%

Transpose Matrix

#47

Rank

#2021MediumFrequency: 31.3%

Remove All Occurrences of a Substring

#48

Rank

#861EasyFrequency: 31.1%

Flipping an Image

Array Two Pointers Bit Manipulation Matrix Simulation

#49

Rank

#1449MediumFrequency: 31.1%

Print Words Vertically

#50

Rank

#1802EasyFrequency: 31.1%

Number of Students Unable to Eat Lunch

Array Stack Queue Simulation

#51

Rank

#2076EasyFrequency: 31.1%

Sum of Digits of String After Convert

#52

Rank

#2155MediumFrequency: 31.1%

Find Missing Observations

#53

Rank

#2617HardFrequency: 30.4%

Time Taken to Cross the Door

#54

Rank

#2048EasyFrequency: 29.7%

Build Array from Permutation

#55

Rank

#158HardFrequency: 29.5%

Read N Characters Given read4 II - Call Multiple Times

#56

Rank

#1048MediumFrequency: 29.3%

Clumsy Factorial

Math Stack Simulation

#57

Rank

#4242MediumFrequency: 29.1%

Sum of GCD of Formed Pairs

Array Math Two Pointers Sorting Simulation Number Theory

#58

Rank

#2389HardFrequency: 28.1%

Design a Text Editor

Linked List String Stack Design Simulation Doubly-Linked List

#59

Rank

#682EasyFrequency: 27.8%

Baseball Game

#60

Rank

#289MediumFrequency: 27.7%

Game of Life

#61

Rank

#353MediumFrequency: 27.7%

Design Snake Game

Array Hash Table Design Queue Simulation

#62

Rank

#3320EasyFrequency: 27.3%

Maximum Number of Operations With the Same Score I

#63

Rank

#4009EasyFrequency: 27.3%

Bitwise OR of Even Numbers in an Array

Array Bit Manipulation Simulation

#64

Rank

#657EasyFrequency: 27.2%

Robot Return to Origin

#65

Rank

#3768EasyFrequency: 26.5%

Check If Digits Are Equal in String After Operations I

Math String Simulation Combinatorics Number Theory

#66

Rank

#2132EasyFrequency: 26.3%

Convert 1D Array Into 2D Array

#67

Rank

#1552MediumFrequency: 25.4%

Build an Array With Stack Operations

#68

Rank

#1800MediumFrequency: 25.1%

Concatenation of Consecutive Binary Numbers

Math Bit Manipulation Simulation

#69

Rank

#1667MediumFrequency: 25.1%

Find Kth Bit in Nth Binary String

#70

Rank

#723MediumFrequency: 24.6%

Candy Crush

Array Two Pointers Matrix Simulation

#71

Rank

#3773EasyFrequency: 24.4%

Minimum Pair Removal to Sort Array I

Array Hash Table Linked List Heap (Priority Queue)Simulation Doubly-Linked List Ordered Set

#72

Rank

#640MediumFrequency: 23.6%

Solve the Equation

Math String Simulation Linear Algebra

#73

Rank

#157EasyFrequency: 23.4%

Read N Characters Given Read4

#74

Rank

#2639EasyFrequency: 23.4%

Separate the Digits in an Array

#75

Rank

#3447EasyFrequency: 23.3%

Clear Digits

#76

Rank

#2137EasyFrequency: 22.1%

Final Value of Variable After Performing Operations

#77

Rank

#3600EasyFrequency: 22.1%

Find the K-th Character in String Game I

Math Bit Manipulation Recursion Simulation

#78

Rank

#3790EasyFrequency: 22.1%

Fruits Into Baskets II

Array Binary Search Segment Tree Simulation Ordered Set

#79

Rank

#906MediumFrequency: 22%

Walking Robot Simulation

#80

Rank

#1386EasyFrequency: 21.9%

Shift 2D Grid

#81

Rank

#1520MediumFrequency: 21.9%

Number of Steps to Reduce a Number in Binary Representation to One

String Bit Manipulation Simulation

#82

Rank

#2197MediumFrequency: 21.9%

Decode the Slanted Ciphertext

#83

Rank

#2232MediumFrequency: 21.9%

Adding Spaces to a String

Array Two Pointers String Simulation

#84

Rank

#2388MediumFrequency: 21.9%

Replace Elements in an Array

#85

Rank

#2606MediumFrequency: 21.9%

Difference Between Ones and Zeros in Row and Column

#86

Rank

#2374MediumFrequency: 21.5%

Steps to Make Array Non-decreasing

Array Linked List Dynamic Programming Stack Monotonic Stack Simulation

#87

Rank

#2483MediumFrequency: 21.5%

Task Scheduler II

#88

Rank

#2662MediumFrequency: 21.5%

Check Knight Tour Configuration

Array Depth-First Search Breadth-First Search Matrix Simulation

#89

Rank

#1310MediumFrequency: 20.9%

Watering Plants

#90

Rank

#3794MediumFrequency: 20.9%

Find the Minimum Amount of Time to Brew Potions

#91

Rank

#3905MediumFrequency: 20.9%

Partition String

Hash Table String Trie Simulation

#92

Rank

#537MediumFrequency: 20%

Complex Number Multiplication

#93

Rank

#1525MediumFrequency: 20%

Queries on a Permutation With Key

Array Binary Indexed Tree Simulation Sqrt Decomposition

#94

Rank

#2834MediumFrequency: 20%

Relocate Marbles

#95

Rank

#544MediumFrequency: 19.5%

Output Contest Matches

#96

Rank

#1627MediumFrequency: 19.5%

Last Moment Before All Ants Fall Out of a Plank

Array Brainteaser Simulation

#97

Rank

#2195EasyFrequency: 19.5%

Time Needed to Buy Tickets

#98

Rank

#987MediumFrequency: 19.5%

Reveal Cards In Increasing Order

Array Queue Sorting Simulation

#99

Rank

#3311EasyFrequency: 19.5%

Ant on the Boundary

#100

Rank

#1657MediumFrequency: 19.5%

Find the Winner of an Array Game

#101

Rank

#1324MediumFrequency: 18%

Where Will the Ball Fall

#102

Rank

#2408MediumFrequency: 18%

Number of People Aware of a Secret

Dynamic Programming Queue Simulation

#103

Rank

#2551EasyFrequency: 18%

Apply Operations to an Array

#104

Rank

#3651EasyFrequency: 18%

Transformed Array

#105

Rank

#566EasyFrequency: 17%

Reshape the Matrix

#106

Rank

#3332MediumFrequency: 17%

Minimum Operations to Exceed Threshold Value II

#107

Rank

#1684MediumFrequency: 16.4%

Find Latest Group of Size M

Array Hash Table Binary Search Simulation

#108

Rank

#1903MediumFrequency: 16.4%

Design Most Recently Used Queue

Array Linked List Divide and Conquer Design Simulation Doubly-Linked List Sqrt Decomposition Treap Splay Tree

#109

Rank

#1935MediumFrequency: 16.4%

Minimum Number of Operations to Reinitialize a Permutation

#110

Rank

#2228MediumFrequency: 16.4%

Watering Plants II

#111

Rank

#3555EasyFrequency: 16.1%

Final Array State After K Multiplication Operations I

Array Math Heap (Priority Queue)Simulation

#112

Rank

#3226EasyFrequency: 16.1%

Minimum Number Game

Array Sorting Heap (Priority Queue)Simulation

#113

Rank

#3772HardFrequency: 15.7%

Minimum Pair Removal to Sort Array II

Array Hash Table Linked List Heap (Priority Queue)Simulation Doubly-Linked List Ordered Set

#114

Rank

#3939HardFrequency: 15.7%

Process String with Special Operations II

#115

Rank

#2692EasyFrequency: 14.6%

Take Gifts From the Richest Pile

#116

Rank

#2178MediumFrequency: 14.6%

Walking Robot Simulation II

Design Simulation

#117

Rank

#592MediumFrequency: 12.6%

Fraction Addition and Subtraction

Math String Simulation Euclidean Algorithm Greatest Common Divisor

#118

Rank

#3434MediumFrequency: 12.6%

Find the Number of Distinct Colors Among the Balls

#119

Rank

#2288EasyFrequency: 12.6%

Count Operations to Obtain Zero

#120

Rank

#2274EasyFrequency: 12.6%

Keep Multiplying Found Values by Two

#121

Rank

#2428MediumFrequency: 12%

Equal Row and Column Pairs

#122

Rank

#2411MediumFrequency: 12%

Spiral Matrix IV

Array Linked List Matrix Simulation

#123

Rank

#1806EasyFrequency: 12%

Count of Matches in Tournament

#124

Rank

#2553MediumFrequency: 12%

Total Cost to Hire K Workers

Array Two Pointers Heap (Priority Queue)Simulation

#125

Rank

#3721MediumFrequency: 12%

Count Mentions Per User

Array Math Sorting Simulation

#126

Rank

#2343MediumFrequency: 11.4%

Count Unguarded Cells in the Grid

#127

Rank

#921MediumFrequency: 10.5%

Spiral Matrix III

#128

Rank

#2800EasyFrequency: 10.5%

Minimum String Length After Removing Substrings

#129

Rank

#1041EasyFrequency: 10.5%

Available Captures for Rook

#130

Rank

#2695MediumFrequency: 10.3%

Find Score of an Array After Marking All Elements

Array Hash Table Sorting Heap (Priority Queue)Simulation

#131

Rank

#495EasyFrequency: 10.3%

Teemo Attacking

#132

Rank

#3616EasyFrequency: 10.3%

Make Array Elements Equal to Zero

#133

Rank

#2006MediumFrequency: 8.1%

Find the Student that Will Replace the Chalk

Array Binary Search Simulation Prefix Sum

#134

Rank

#3860MediumFrequency: 8%

Resulting String After Adjacent Removals

#135

Rank

#2043MediumFrequency: 8%

Cyclically Rotating a Grid

#136

Rank

#2203MediumFrequency: 7.3%

Number of Spaces Cleaning Robot Cleaned

#137

Rank

#1769EasyFrequency: 7.2%

Get Maximum in Generated Array

#138

Rank

#1505EasyFrequency: 5.5%

Create Target Array in the Given Order

#139

Rank

#3540MediumFrequency: 5.5%

Hash Divided String

#140

Rank

#2260EasyFrequency: 5.5%

Divide a String Into Groups of Size k

#141

Rank

#2585EasyFrequency: 5.5%

Delete Greatest Value in Each Row

Array Sorting Heap (Priority Queue)Matrix Simulation

#142

Rank

#3708EasyFrequency: 5.5%

Zigzag Grid Traversal With Skip

#143

Rank

#3336MediumFrequency: 5.5%

Water Bottles II

#144

Rank

#2317MediumFrequency: 5.5%

Count Collisions on a Road

#145

Rank

#3811EasyFrequency: 5.5%

Reverse Degree of a String

#146

Rank

#4216EasyFrequency: 5.5%

Weighted Word Mapping

#147

Rank

#2645EasyFrequency: 5%

Pass the Pillow

#148

Rank

#3533EasyFrequency: 5%

Snake in Matrix

#149

Rank

#1378EasyFrequency: 5%

Cells with Odd Values in a Matrix

#150

Rank

#3634MediumFrequency: 5%

Find Mirror Score of a String

Hash Table String Stack Simulation

#151

Rank

#1928MediumFrequency: 5%

Number of Orders in the Backlog

#152

Rank

#1705MediumFrequency: 5%

Count Unhappy Friends

#153

Rank

#3556HardFrequency: 5%

Final Array State After K Multiplication Operations II

#154

Rank

#4275EasyFrequency: 5%

Traffic Signal Color

#155

Rank

#1342MediumFrequency: 5%

Queens That Can Attack the King

#156

Rank

#3426EasyFrequency: 5%

Minimum Number of Chairs in a Waiting Room

#157

Rank

#2698EasyFrequency: 5%

Find the Array Concatenation Value

#158

Rank

#2857EasyFrequency: 5%

Total Distance Traveled

#159

Rank

#4299EasyFrequency: 5%

Concatenate Array With Reverse