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[JS][7kyu] Find heavy ball - level: novice #5260

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[JS][7kyu] Find heavy ball - level: novice #5260

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23 changes: 23 additions & 0 deletions codewars/7kyu/find-heavy-ball-level-novice/koronya.js
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Original file line number Diff line number Diff line change
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// [JS][7kyu] Find heavy ball - level: novice
// find-heavy-ball-level-novice
// https://www.codewars.com/kata/544047f0cf362503e000036e/train/javascript

const findBall = (scales) => {
const firstTry = scales.getWeight([0, 1, 2], [3, 4, 5]) // first call
if (firstTry === 0) {
return scales.getWeight([6], [7]) === 1 ? 7 : 6
}

if (firstTry === 1) {
const secondTry = scales.getWeight([3], [4])
if (secondTry === 0) {
return 5
}
return secondTry === 1 ? 4 : 3
}
const secondTry = scales.getWeight([0], [1])
if (secondTry === 0) {
return 2
}
return secondTry === 1 ? 1 : 0
}