How should I practice Final Position from Direction Commands?

Start by reading the full statement, solve the visible examples, then compare the pattern against related Goldman Sachs phone screen problems in FastPrep.

Is Final Position from Direction Commands associated with Goldman Sachs?

FastPrep tags this as a Goldman Sachs phone screen coding practice problem when the problem catalog has that company and stage context.

Problem · String

Final Position from Direction Commands

Learn this problem

● Easy

Goldman SachsFULLTIMEPHONE SCREEN

Problem statement

Start at coordinate (0, 0) and process commands from left to right. The letters L, R, U, and D move one unit left, right, up, and down. Lowercase forms have the same meaning. Ignore every other character.

Return [x, y] after all commands.

Function

finalCoordinates(commands: String) → int[]

Examples

Example 1

commands = "LRUDx"return = [0,0]

The four moves cancel and x is ignored.

Example 2

commands = "RRuLdd?"return = [1,-1]

Commands are case-insensitive and ? is ignored.

Constraints

0 <= commands.length <= 1000000
commands contains ASCII characters.