#bfs

Distance from every desk to its nearest bathroom
CodingMediumSnowflake
▲ 00 solutions
Find a way out of a restricted map zone
CodingMediumPerplexity
▲ 00 solutions
Grid maze solver with keys, doors and bombs, AI-assisted
CodingMediumMeta
▲ 00 solutions
Services that go down when their dependencies shut down
CodingMediumAmazon
▲ 00 solutions
Minimum Manhattan distance between X and Y in a matrix
CodingGlean
▲ 00 solutions
Reachability in a time-indexed train schedule
CodingMediumGlean
▲ 01 solution
Pick the root that needs the fewest edge reversals
CodingMediumUber
▲ 01 solution
Sort an array with rotate and flip operations
CodingHardAmazon
▲ 01 solution
Largest island perimeter in a grid
CodingMediumGoogleTesla
▲ 01 solution
Tallest building between parking lots
CodingMediumGoogle
▲ 01 solution
Group dependent tasks into parallel levels
CodingMediumNetflixSnowflake
▲ 01 solution
Type a word on a grid keyboard with a jump limit
CodingMediumGoogle
▲ 01 solution
Two-colour a board with walls and fixed cells
CodingMediumNetflix
▲ 01 solution
Shortest path through a digit grid with diagonal moves
CodingMediumMeta
▲ 01 solution
Red and black tile slides and jumps
CodingHardGoogle
▲ 01 solution
Root-started value path in an N-ary tree
CodingMediumAmazon
▲ 01 solution
Fill a layover with the fewest bookings
CodingMediumAirbnb
▲ 01 solution
Two cars to their destinations without collisions
CodingMediumGoogle
▲ 01 solution
Island areas and water boundaries
CodingMediumWaymo
▲ 01 solution
Connect points that share a row or column
CodingHardAmazon
▲ 01 solution
Score a tile board by connected terrain regions
CodingMediumWaymoAirbnb
▲ 01 solution
Fastest single-mode commute on a city grid
CodingMediumDatabricks
▲ 01 solution
Find bottleneck dependencies in a parallel build
CodingMediumDatabricksMeta
▲ 01 solution
Concurrent same-host web crawler
CodingMediumAnthropic
▲ 01 solution
Threshold infection spread on a grid
CodingMediumOpenAI
▲ 01 solution