2825.js

/** ------------------------------------------------------------------------------
 * 
 * 2825. Make String a Subsequence Using Cyclic Increments
 * Topics: Two Pointers
 * https://leetcode.com/problems/make-string-a-subsequence-using-cyclic-increments/?envType=daily-question&envId=2024-12-04
 * 
 ------------------------------------------------------------------------------ */
/**
 * @param {string} str1
 * @param {string} str2
 * @return {boolean}
 */
var canMakeSubsequence = function (str1, str2) {
  let i = 0,
    j = 0

  while (i < str1.length && j < str2.length) {
    if (str1[i] === str2[j] || str1[i] === cyclic(str2[j])) {
      j++
    }
    i++
  }

  return j == str2.length
}

const cyclic = (char) => {
  if (char == "a") return "z"
  return String.fromCharCode(char.charCodeAt(0) - 1)
}