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())) {
        // let tokens = line.split(' ');
        // let a = parseInt(tokens[0]);
        // let b = parseInt(tokens[1]);
        const num = line - parseInt(line);
        if (num > 0.5 || num == 0.5) {
            line = Math.ceil(line);
        } else if (num < 0.5) {
            line = Math.floor(line);
        }
        console.log(line);
    }
})();