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Overall progress
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01
Space Station Shuttle — Minimum Total Tourist Travel Time
CodingSolve02
Inversion Counts Across Every Cyclic Value Shift
CodingPremium03
Village Betting Event -- Winning Bet Among Adults
CodingPremium04
City Toll Network — Cheapest Trip Within Budget
CodingPremium05
Unique Trapped Characters in a Maze Grid
CodingPremium06
Budgeted Influence Seed Selection
CodingPremium07
Repair the Damaged Bracket Sequence
CodingPremium08
Garuda Footwear: Name a Fourth Assistant-Era Failure Mode
PromptPremium09
Garuda Footwear: Closing the Assistant-to-Site Context Gap
PromptPremium10
Garuda Footwear: Why Stale 2019 Facts Keep Getting Repeated
PromptPremium11
Garuda Footwear: Why Assistants Never Name the Brand
PromptPremium12
Guest SIGSEGV With Host Page Allocation Failures
MCQPremium13
Graham's Scan Collinear Tie-Break Direction
MCQPremium14
Repair the Reusable-Package Memoised Transition
MCQPremium15
Idempotent Transfer Writes Under At-Least-Once Delivery
MCQPremium16
Zigzag Level Order Of The Dependency Layer Tree
MCQPremium17
Aggregation Device Layer Roles: ARP, Inter-VLAN SVI and eBGP
MCQPremium18
Supply Station Chain
CodingPremium19
Health Center Networking
CodingPremium20
Best Path in a Weighted Tree
CodingPremium21
Two-Year Repeat Customers and Their Yearly Spend
SQLPremium22
GDPR Erasure in a Write-Once Data Lake
MCQPremium23
Parallel Decomposition for a Global Stencil Simulation
MCQPremium24
Rolling Hash Update for Streaming Rabin-Karp
MCQPremium25
Meridian Station Stamped Manifests
CodingPremium26
Employee Sales Performance and Ranking
SQLPremium27
World Cup Tickets — Minimum Total Expense
CodingPremium28
Arrayville — Largest Element Reducible to Zero
CodingPremium29
Ancient Library — Longest Perfect-Square Artifact Sequence
CodingPremium30
Communication Towers with a Shared Coverage Point
CodingPremium31
Improving Count-Min Frequency Rankings for a CDN
MCQPremium32
Dynamic Arrays: Resizing and Memory Layout
MCQPremium33
Euler Tour Design for Subtree and LCA Queries
MCQPremium34
Most Powerful Character
CodingPremium35
Valid Surgeries per Doctor
SQLPremium36
Grouping the Nitrogen and Phosphorus Tanks
CodingPremium37
Ordering Conditional Configuration in a Modular Spring Boot Application
MCQPremium38
Restore the Missing Cell Update in a Rolling-Row Grid Path Count
MCQPremium39
Why Lazy Prim Stays Correct With Stale Queue Entries
MCQPremium40
Rebalancing a Consistent Hash Ring After Server Failure
MCQPremium41
Output of an Async Context Manager Driving an Async Generator
MCQPremium42
Partition Grain for a Slow-Listing S3 External Table
MCQPremium43
Consistently Above-Average Departments
SQLPremium44
Area of a Convex Polygon from Unordered Vertices
CodingPremium45
Peak Transaction Hour per Branch
SQLPremium46
Meridian Cargo Port — Minimum Total Fatigue
CodingPremium47
The Arc That Stops the Circle
CodingPremium48
Session-Scoped Bean in a Singleton Controller
MCQPremium49
Holding the Stock — Maximum Profit
CodingPremium50
Maximum Weighted Subarray
CodingPremium51
Most Frequent Diagnosis per Patient
SQLPremium52
Passenger-Bus Assignment
SQLPremium53
Radix Sort Statements
MCQPremium54
Scooter Maintenance and Rebalancing
CodingPremium55
Get Them All
CodingPremium56
Minimum Sum
CodingPremium57
Count Good Edge
CodingPremium58
Identical Distribution
CodingPremium59
Largest Good Binary
CodingPremium60
Triple Frequency Subarrays
CodingPremium