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📖 dictionary solution in Clear category for Frequency Sorting by vincent.tscherter
function frequencySorting(numbers) {
let freq = {};
for (let n of numbers) freq[n] = (freq[n] ?? 0) + 1;
return numbers.sort((x,y)=> x-y).sort((x,y)=> freq[y]-freq[x] );
}
Dec. 3, 2022
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