编辑代码

const spots = [
  { name: '故宫', time: 1, score: 7 },
  { name: '颐和园', time: 2, score: 8 },
  { name: '长城', time: 3, score: 9 },
  { name: '天坛', time: 1, score: 6 }
];

function getMaxValueSpots(maxTime, spots) {
  // 计算每个景点的单位时间价值
  const valueSpots = spots.map(spot => ({
    name: spot.name,
    value: spot.score / spot.time
  }));
  
  // 按照单位时间价值从大到小排序
  valueSpots.sort((a, b) => b.value - a.value);

  let totalTime = 0;
  const maxValueSpots = [];
  for (let i = 0; i < valueSpots.length; i++) {
    const spot = spots.find(item => item.name === valueSpots[i].name);
    if (totalTime + spot.time <= maxTime) {
      // 如果还有时间，加入当前景点
      totalTime += spot.time;
      maxValueSpots.push(spot.name);
    } else {
      // 没有时间了，退出循环
      break;
    }
  }

  return maxValueSpots;
}

const maxTime = 4;
const result = getMaxValueSpots(maxTime, spots);
console.log(result); // ["长城", "颐和园"]