Solutions &amp; Explanations

Acceptance: 78.0%

#3190Easy

Find Minimum Operations to Make All Elements Divisible by Three

Acceptance: 90.9%

#3194Easy

Minimum Average of Smallest and Largest Elements

ArraySortingTwo Pointers

Acceptance: 85.4%

#3198Easy

Find Cities in Each State

Database

Acceptance: 82.5%

#3199Easy

Count Triplets with Even XOR Set Bits I

ArrayBit Manipulation

Acceptance: 83.3%

#3200Easy

Maximum Height of a Triangle

ArrayEnumeration

Acceptance: 44.8%

#3206Easy

Alternating Groups I

ArraySliding Window

Acceptance: 69.5%

#3210Easy

Find the Encrypted String

Game TheoryMathSimulation

Acceptance: 67.9%

#3216Easy

Lexicographically Smallest String After a Swap

GreedyString

Acceptance: 54.6%

#3222Easy

Find the Winning Player in Coin Game

Acceptance: 53.9%

#3226Easy

Number of Bit Changes to Make Two Integers Equal

Bit Manipulation

Acceptance: 63.4%

#3232Easy

Find if Digit Game Can Be Won

Acceptance: 81.5%

#3238Easy

Find the Number of Winning Players

ArrayDoubly-Linked ListLinked List

Acceptance: 60.5%

#3242Easy

Design Neighbor Sum Service

ArrayDesignHash Table+2

Acceptance: 76.4%

#3246Easy

Premier League Table Ranking

Database

Acceptance: 83.3%

#3248Easy

Snake in Matrix

ArraySimulationString

Acceptance: 81.8%

#3258Easy

Count Substrings That Satisfy K-Constraint I

Sliding WindowString

Acceptance: 78.9%

#3263Easy

Convert Doubly Linked List to Array I

Acceptance: 95.0%

#3264Easy

Final Array State After K Multiplication Operations I

ArrayHeap (Priority Queue)Math+1

Acceptance: 86.9%

#3270Easy

Find the Key of the Numbers

Math

Acceptance: 76.1%

#3274Easy

Check if Two Chessboard Squares Have the Same Color

MathString

Acceptance: 72.3%

#3280Easy

Convert Date to Binary

MathString

Acceptance: 88.8%

#3285Easy

Find Indices of Stable Mountains

Acceptance: 86.5%

#3289Easy

The Two Sneaky Numbers of Digitville

ArrayHash TableMath

Acceptance: 89.9%

#3300Easy

Minimum Element After Replacement With Digit Sum

Bit ManipulationMathRecursion+1

Acceptance: 89.6%

#3304Easy

Find the K-th Character in String Game I

Acceptance: 81.6%

#3314Easy

Construct the Minimum Bitwise Array I

ArrayBit Manipulation

Acceptance: 85.3%

#3318Easy

Find X-Sum of All K-Long Subarrays I

ArrayHash TableHeap (Priority Queue)+1

Acceptance: 76.1%

#3330Easy

Find the Original Typed String I

Acceptance: 72.1%

#3340Easy

Check Balanced String

Acceptance: 82.9%

#3345Easy

Smallest Divisible Digit Product I

EnumerationMath

Acceptance: 73.1%

#3349Easy

Adjacent Increasing Subarrays Detection I

Acceptance: 48.0%

#3353Easy

Minimum Total Operations

ArrayPrefix SumSimulation

Acceptance: 63.8%

#3354Easy

Make Array Elements Equal to Zero

Acceptance: 68.3%

#3358Easy

Books with NULL Ratings

Database

Acceptance: 89.4%

#3360Easy

Stone Removal Game

MathSimulation

Acceptance: 43.0%

#3364Easy

Minimum Positive Sum Subarray

ArrayPrefix SumSliding Window

Acceptance: 45.6%

#3370Easy

Smallest Number With All Set Bits

Bit ManipulationMath

Acceptance: 80.4%

#3875Easy

Construct Uniform Parity Array I

Acceptance: 85.8%

#3866Easy

First Unique Even Element

Acceptance: 65.6%

#3861Easy

Minimum Capacity Box

Acceptance: 72.8%

#3870Easy

Count Commas in Range

Math

Acceptance: 78.0%

#3852Easy

Smallest Pair With Different Frequencies

Acceptance: 68.5%

#3856Easy

Trim Trailing Vowels