题解 | #取近似值#

const readline = require('readline');

const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout
});

let num = null;

const getApproximateValue = (value: number) => {
    const decimal = value % 1;
    return decimal >= 0.5 ? Math.ceil(value) : Math.floor(value);
}

rl.on('line', function (line) {
    num = Number(line);
});

rl.on('close', () => {
    console.log(getApproximateValue(num));
})