题解 | 多组_一维数组_T组形式

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
    let t = parseInt(await readline());
    for (let i of Array(t).keys()) {
        let res = 0;
        const n = parseInt(await readline());
        let line = await readline();
        let tokens = line.split(" ");
        for (let j of Array(n).keys()) {
            res += parseInt(tokens[j]);
        }
        console.log(res);
    }
})();