题解 | #丑数#
丑数
https://www.nowcoder.com/practice/6aa9e04fc3794f68acf8778237ba065b
function GetUglyNumber_Solution(index) { if (index === 0) return 0 // write code here const cache = new Array(1) cache[0] = 1 let i = 0 let j = 0 let k = 0 while (cache.length < index) { const now = Math.min(cache[i] * 2, cache[j] * 3, cache[k] * 5) cache.push(now) if (now === cache[i] * 2) { i++ } if (now === cache[j] * 3) { j++ } if (now === cache[k] * 5) { k++ } } return cache[index - 1] } module.exports = { GetUglyNumber_Solution : GetUglyNumber_Solution };