17 lines
447 B
JavaScript
17 lines
447 B
JavaScript
// https://www.codewars.com/kata/5852d0d463adbd39670000a1/javascript
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function mirroredExponentialChunks(arr) {
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const len = arr.length;
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const left = arr.slice(0, len/2);
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const right = arr.slice((len+1)/2);
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const res = len % 2 === 1 ? [[arr[(len-1)/2]]] : [];
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for (let i = 1; left.length; ++i) {
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res.unshift(left.splice(-(2**i)));
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}
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for (let i = 1; right.length; ++i) {
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res.push(right.splice(0, 2**i));
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}
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return res;
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}
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