题解 | 时间转换

const rl = require('readline').createInterface({input: process.stdin})
const iter = rl[Symbol.asyncIterator]()
const readline = async () => (await iter.next()).value

function num(n){
    const h = Math.floor(n / 3600)
    const m = Math.floor((n - 3600 * h) / 60)
    const s = Math.floor(n - 3600 * h - 60 * m)

    return h + ' ' + m + ' ' + s
}

void async function () {
    const lines = parseInt(await readline())

    console.log(num(lines))
    rl.close()
}()