How should I practice Escape the Haunted Castle?

Start by reading the full statement, solve the visible examples, then compare the pattern against related Persona online assessment problems in FastPrep.

Is Escape the Haunted Castle associated with Persona?

FastPrep tags this as a Persona online assessment coding practice problem when the problem catalog has that company and stage context.

Escape the Haunted Castle

Persona● EasyFULLTIMEOA

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Problem statement

An adventurer starts at (0, 0) in a rows × columns haunted castle. Walls are impassable, and the adventurer may move one cell up, down, left, or right.

Return the minimum number of moves needed to reach escapePoint, or -1 when no path exists.

Function

escapeCastle(rows: int, columns: int, walls: int[][], escapePoint: int[]) → int

Examples

Example 1

rows = 2columns = 2walls = [[0,1]]escapePoint = [1,1]return = 2

The only route moves down and then right.

Example 2

rows = 3columns = 3walls = [[1,0],[1,1],[1,2]]escapePoint = [2,2]return = -1

A complete wall row separates the start from the exit.

Example 3

rows = 1columns = 1walls = []escapePoint = [0,0]return = 0

The adventurer starts on the escape point.

Constraints

1 <= rows, columns <= 10.
Every wall and the escape point are distinct valid cells.
(0, 0) is not a wall.