题解 | 疫情死亡率

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

void async function () {
    const lines = await readline()
    const arr = lines.split(' ')
    const c = parseInt(arr[0])
    const d = parseInt(arr[1])

    if (c >= 1 && d <= 10e9) {
        const result = (d/c)*100
        console.log(result.toFixed(3)+ '%')
    }

    rl.close()
}()