Problem · Array
Distinct Duplicate Values
● Easy
AmazonFULLTIMEPHONE SCREEN
See Amazon hiring insightsAmazonFULLTIMEPHONE SCREENProblem statement
Given an integer array data, return every distinct value that appears at least twice.
The problem statement continues
ProExamples
Example 1
data = [4,2,4,3,2,4]return = [4,2]Values 4 and 2 both occur more than once. The first 4 appears before the first 2.
FastPrep Pro
Reported in 1 Amazon interview this weekUnlock this recently reported problem
FastPrep Pro gives you full access to interview problems reported within the last week.
- Full problem statement and constraints
- 2 more worked examples, explained
- Guided hints and editorial
- Run your code on real test cases
$9/month
Pro subscription, billed yearly — or $19 month-to-month. Cancel anytime.
Free plan — 2 of 2 free unlocks used this week