CPKit
v1.6.1

Duplicate Finder

VerificationEasy

Scan list items to locate duplicate values, their frequencies, and exact occurrences coordinates.

Alt+Shift+6

Duplication Scan Panel

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Example Test Cases

Integer list with multiple duplicates
Input 1:5 2 7 2 5 8 5 9
Output:5: count 3 at [1, 5, 7] | 2: count 2 at [2, 4]
Load Case
String list duplicate tracker
Input 1:apple banana orange apple banana grape
Output:apple: count 2 at [1, 4] | banana: count 2 at [2, 5]
Load Case

Complexity Specs

Time ComplexityO(N)
Space ComplexityO(N)

Notes & Tips

  • Supports tracking strings, words, or numbers separated by whitespace.
  • Shows the frequency counts and 1-based occurrence index intervals.
  • Duplicates list is sorted by frequency descending.