How should I practice Print Unique Numbers?

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

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

Print Unique Numbers

Bloomberg LP● EasyNEW GRADPHONE SCREEN

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Problem statement

Return each distinct integer from nums exactly once, preserving the order of its first appearance.

Function

uniqueNumbers(nums: int[]) → int[]

Examples

Example 1

nums = [4,1,4,7,1,9]return = [4,1,7,9]

Later copies of 4 and 1 are skipped.

Constraints

0 <= nums.length <= 2 * 10^5.