Decompress Run-Length Encoded List

Easy
Arrays Array

Given [freq1,val1,freq2,val2,...], decompress to actual list.

Constraints

2 ≤ len ≤ 100

Examples

Example 1:
Input: 1 2 3 4
Output: 2 4 4 4
Example 2:
Input: 1 1 2 3
Output: 1 3 3
▲ Console

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