#1920

1920. Build Array from Permutation

내 답안

/**
 * @param {number[]} nums
 * @return {number[]}
 */
var buildArray = function(nums) {
    let result = [];
    nums.forEach((num, index) => {
        result[index] = nums[num];
    });
    return result;
};

다른 답안

var buildArray = function(nums) {
    return nums.map(a=>nums[a]);
};