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Frequency Counter

Build frequency maps and count element occurrences!

0
Unique Elements
0
Max Frequency
-
Mode (Most Common)

📊 Frequency Map

Frequency counts will appear here...

📝 Algorithm 

const freqMap = {};
for (const element of arr) {
  freqMap[element] = (freqMap[element] || 0) + 1;
}
// O(n) time, O(k) space where k = unique elements