#grids

Move instructions for a robot that cannot see the maze
CodingWaymo
▲ 00 solutions
Minimum knight moves
CodingWaymoUber
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Best meeting point on a grid
CodingWaymoApplied Intuition
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Find a repeating command program for a vehicle under fuel and memory limits
CodingWaymo
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Shortest bridge between two islands
CodingTesla
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Collect the characters along a path in a grid
CodingTesla
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One round of candy crush on a grid
CodingUber
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Place fixed shapes on a grid in order
CodingUber
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Time for a virus to infect the whole grid
CodingUber
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Nearest exit from a maze
CodingUber
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Shortest path in a grid with blocked cells
CodingUber
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Robot route with charging cells: fewest charges, then battery, then moves
CodingUber
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Sort a grid into snake order with adjacent swaps
CodingUber
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Shortest increasing path to a target value in a grid
CodingUber
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Trapping rain water II
CodingChalk
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Minesweeper: reveal a region
CodingNuro
▲ 00 solutions
Assign robots to their nearest pickup items on a grid with obstacles
CodingNuro
▲ 00 solutions
Cell with the least total walking distance to all targets around walls
CodingGlean
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Shortest path in a grid with obstacle elimination
CodingMercor
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Shortest path between two cells in a grid
CodingSnowflake
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Fewest moves across a grid when each move can jump up to k cells
CodingMicrosoft
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Sizes of connected regions in a binary image, in scan order
CodingMicrosoft
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Same-value region from a start pixel, and its border
CodingMeta
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Shortest bridge
CodingMeta
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Find a target in an unknown grid with a robot API
CodingMeta
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Shortest distance from all buildings
CodingMetaWaymo
▲ 00 solutions
Making a large island
CodingMeta
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Walls and gates
CodingMeta
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Place Tetris-like shapes in the first spot that fits
CodingMeta
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Is there an island of exactly size k?
CodingMeta
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Count single-colour squares in a character grid
CodingGoogle
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Number of islands as land is added
CodingGoogleUber
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Distance from every cell to the nearest taxi
CodingGoogle
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Count islands with diagonal connectivity
CodingGoogle
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Blind maze escape: one command sequence for every start
CodingGoogle
▲ 00 solutions
Longest water-flow path with momentum
CodingGoogle
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Count how many rectangles cover each grid cell
CodingGoogle
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Longest straight run of one color in a grid
CodingGoogle
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Arrange crops into connected regions of a garden
CodingGoogle
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Time for grid signals to reach every target, then remove one blocker
CodingGoogle
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Count grid paths through ordered checkpoints
CodingGoogle
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Grid path from start to target, then the path farthest from a cat
CodingGoogle
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Render, compress and invert a bitmap font
CodingStripe
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Shortest path to collect all keys
CodingAirbnb
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Rotting oranges: time for an infection to cover a grid
CodingAirbnb
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Flood fill
CodingApple
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Rotting oranges
CodingAmazon
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Best locker location on a grid with obstacles
CodingAmazon
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Cells water reaches flowing downhill
CodingAmazon
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Shortest path in a grid with obstacles
CodingAmazon
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Squirrel carrying nuts to a tree
CodingAmazon
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Number of islands
CodingAmazonAppleGoogleMeta
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Max area of island
CodingAmazonMeta
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Shortest grid path with one cell conversion
CodingAmazon
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Add one delivery center to minimize the worst distance
CodingAmazon
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Grid reachability for a robot that cannot reverse
CodingAmazon
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Fewest moves for a chess piece to capture the king
CodingAmazon
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Distance from every desk to its nearest bathroom
CodingMediumSnowflakeMicrosoft
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