编辑代码

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

void (async function () {
  const [m, n, r] = (await readline()).split(" ").map(Number);
  const arrA = (await readline()).split(" ").map(Number);
  const arrB = (await readline()).split(" ").map(Number);
  let i = 0,
    j = 0;
  while (i < m && j < n) {
    if (arrA[i] <= arrB[j]) {
      if (arrB[j] - arrA[i] <= r) console.log(arrA[i] + " " + arrB[j]);
      i++;
    } else j++;
  }
})();

// };