Next Closest Time

Description

null

Solution(javascript)

/**
 * @param {string} time
 * @return {string}
 */
const nextClosestTime = function (time) {
  const [a, b, c, d] = [time[0], time[1], time[3], time[4]].map(x => Number(x))

  const sorted = [a, b, c, d].sort((x, y) => x - y)


  const d2 = sorted.find(x => x > d)
  if (d2 > d) { // 分钟末位
    return `${a}${b}:${c}${d2}`
  }
  const c2 = sorted.find(x => x > c && x <= 5) // 时分位
  const min = Math.min(a, b, c, d)
  if (c2 > c) {
    return `${a}${b}:${c2}${min}`
  }
  const b2 = sorted.find(x => x > b && a * 10 + x <= 24)
  if (b2 > b) {
    return `${a}${b2}:${min}${min}`
  }
  const a2 = sorted.find(x => x > a && x <= 2)
  if (a2 > a) {
    return `${a2}${min}:${min}${min}`
  }
  return `${min}${min}:${min}${min}`
}