3330.js

/** ------------------------------------------------------------------------------
 * 
 * 3330. Find the Original Typed String I
 * Topics: String
 * https://leetcode.com/problems/find-the-original-typed-string-i/description/?envType=daily-question&envId=2025-07-01
 * 
 ------------------------------------------------------------------------------ */
/**
 * @param {string} word
 * @return {number}
 */
var possibleStringCount = function (word) {
  let res = 1
  let i = 0,
    l = word.length,
    val = 0,
    cur
  while (i < l) {
    ;(val = 1), (cur = word[i])
    while (i < l - 1 && cur === word[i + 1]) {
      val++
      i++
    }
    i++
    res += val - 1
  }
  return res
}

console.log(possibleStringCount("abbcccc"))