6 lines
217 B
JavaScript
6 lines
217 B
JavaScript
// https://www.codewars.com/kata/concatenated-sum/train/javascript
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const checkConcatenatedSum = (num, n) => {
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num = Math.abs(num);
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return (num+'').split('').map(d=>d.repeat(n)).reduce((a,n)=>a+(+n),0) === num;
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}; |