JavaScript的基础

f

寻找最富裕小家庭 前面几行应该都是套话

const rl = require("readline").createInterface({ input: process.stdin });
var iter = rl[Symbol.asyncIterator]();
const readline = async () => (await iter.next()).value;
 
void (async function () {
  const n = parseInt(await readline());
  const wealth = (await readline()).split(" ").map(Number);
 
  // 这里头插一个0，是为了让wealth数组索引对应成员编号 1~N
  wealth.unshift(0);
 
  const family = [...wealth];
 
  for (let i = 0; i < n - 1; i++) {
    const [fa, ch] = (await readline()).split(" ").map(Number);
    family[fa] += wealth[ch];
  }
 
  console.log(Math.max(...family));
})();
/*
5
100 200 300 400 500
3 4
3 5
1 3
1 2
*/