1405.js

/** ------------------------------------------------------------------------------
 * 
 * 1405. Longest Happy String
 * Topics: Greedy, Heap
 * https://leetcode.com/problems/longest-happy-string/description/?envType=daily-question&envId=2024-10-16
 * 
 ------------------------------------------------------------------------------ */
/**
 * @param {number} a
 * @param {number} b
 * @param {number} c
 * @return {string}
 */
var longestDiverseString = function (a, b, c) {
  let countA = 0
  let countB = 0
  let countC = 0

  const result = []
  while (a > 0 || b > 0 || c > 0) {
    if ((a >= b && a >= c && countA < 2) || (countB === 2 && a > 0) || (countC === 2 && a > 0)) {
      result.push("a")
      countA += 1
      a -= 1
      countB = 0
      countC = 0
    } else if ((b >= a && b >= c && countB < 2) || (countA === 2 && b > 0) || (countC === 2 && b > 0)) {
      result.push("b")
      countB += 1
      b -= 1
      countA = 0
      countC = 0
    } else if ((c >= a && c >= b && countC < 2) || (countB === 2 && c > 0) || (countA === 2 && c > 0)) {
      result.push("c")
      countC += 1
      c -= 1
      countA = 0
      countB = 0
    } else {
      break
    }
  }

  return result.join("")
}

console.log()