题解 | #求解立方根#

const rl = require("readline").createInterface({ input: process.stdin });
var iter = rl[Symbol.asyncIterator]();
const readline = async () => (await iter.next()).value;
let curValue = 0,
    result = 0;
function getValue(num) {
    if (curValue ** 3 < num) {
        // 精度不够，就继续往下调整
        curValue += 0.01;
        // 记得要return一下，不然就没有返回值了
        return getValue(num);
    } else {
        return curValue;
    }
}
void (async function () {
    // Write your code here
    while ((line = await readline())) {
        // 这里保存一下正负号，后面就靠直接拼接了
        let isPossive = Number(line) >= 0 ? "" : "-";
        let num=Math.abs(Number(line));
        result = isPossive + getValue(num).toFixed(1);
        console.log(result);
    }
})();