题解 | #取近似值#

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

void async function () {
    // Write your code here
    while(line = await readline()){
       const str = String(line);
       const floatNum = str.split('.')[1];
       let res = Number(`.${floatNum}`) >= .5 ? Math.ceil(line) : Math.floor(line); 
       console.log(res);
    }
}()