#1389
Create Target Array in the Given Order
easy · verified · 86.5% accepted · 2,286 likes · top 97%
Description
Given two arrays of integers nums and index. Your task is to create target array under the following rules:
- Initially target array is empty.
- From left to right read nums[i] and index[i], insert at index index[i] the value nums[i] in target array.
- Repeat the previous step until there are no elements to read in nums and index.
Return the target array.
It is guaranteed that the insertion operations will be valid.
Example 1:
Input: nums = [0,1,2,3,4], index = [0,1,2,2,1]
Output: [0,4,1,3,2]
Explanation:
nums index target
0 0 [0]
1 1 [0,1]
2 2 [0,1,2]
3 2 [0,1,3,2]
4 1 [0,4,1,3,2]
Example 2:
Input: nums = [1,2,3,4,0], index = [0,1,2,3,0]
Output: [0,1,2,3,4]
Explanation:
nums index target
1 0 [1]
2 1 [1,2]
3 2 [1,2,3]
4 3 [1,2,3,4]
0 0 [0,1,2,3,4]
Example 3:
Input: nums = [1], index = [0]
Output: [1]
Solution