Solved Challenge #2
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hyfi06
approved these changes
Apr 24, 2020
| * @returns {number[][]} | ||
| */ | ||
| const findNodesWithZeroAndOneParents = (parentChildPairs) => { | ||
| const result = [[],[]]; |
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Creo que pues omitir esta variable si regresas directamente return [ zeroParentsChildren, oneParentChildren];
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| let zeroParentsChildren = Array.from( | ||
| new Set( | ||
| parentChildPairs.map(pair => pair[0]) | ||
| .filter(child => !(child in countOfParentsPerChild)) | ||
| ) | ||
| ); |
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Completed the findNodesWithZeroAndOneParents function