20 lines
563 B
JavaScript
20 lines
563 B
JavaScript
// https://www.codewars.com/kata/how-deep-do-these-trees-even-go/train/javascript
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function arrayDeepness(arr) {
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let deep = (arr, lvl, fn) => {
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if (arr && arr.map) {
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// arr.map(el => deep(el, lvl + 1, fn));
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for (let i = 0; i < arr.length; ++i) {
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deep(arr[i], lvl + 1, fn);
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}
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} else {
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fn(lvl);
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}
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};
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let res = [];
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deep(arr, 0, lvl => res.push(lvl));
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let min = Math.min(...res);
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let max = Math.max(0, ...res);
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let mean = +(res.reduce((a, b) => a + b, 0) / res.length).toFixed(3);
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return {min, max, mean};
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} |