3379.js

/** ------------------------------------------------------------------------------
 * 
 * 3379. Transformed Array
 * Topics: Array
 * https://leetcode.com/problems/transformed-array/?envType=daily-question&envId=2026-02-05
 * 
 ------------------------------------------------------------------------------ */
/**
 * @param {number[]} nums
 * @return {number[]}
 */
var constructTransformedArray = function (nums) {
  const n = nums.length

  const answer = []
  for (let i = 0; i < n; i++) {
    const num = nums[i]

    if (num === 0) {
      answer.push(0)
    } else {
      const target = (((i + num) % n) + n) % n
      answer.push(nums[target])
    }
  }
  return answer
}

console.log(constructTransformedArray([1, 2, 3, 4, 5]))
console.log(constructTransformedArray([3, -2, 1, 1]))