题解 | 多组_二维数组_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 allH = null; // 总组数
    let h = null; // 该组总行数
    let l = null; // 该组总列数
    let sum = 0; // 该组总和
    let count = 1; // 该组第几行
    let isFirst = false; // 是否是组数信息
    while ((line = await readline())) {
        let tokens = line.split(" ").map((v) => Number(v));
        if (allH === null) {
            allH = tokens[0];
            isFirst = true;
        } else {
            if (isFirst) {
                h = tokens[0];
                l = tokens[1];
                isFirst = false;
            } else {
                for (let i = 0; i < l; i++) {
                    sum += tokens[i];
                }
                if (count === h) {
                    console.log(sum);
                    count = 1;
                    sum = 0
                    isFirst = true;
                } else {
                    count++;
                }
            }
        }
    }
})();