1241. Decompress Run-Length Encoded List
My accepted Python solution to LeetCode problem 1241, Decompress Run-Length Encoded List, running in 0ms.
- Difficulty: Easy
- Python
- Runtime 0ms
- Memory 17.7MB
- Updated
Read the problem on LeetCode View on GitHub
The problem statement is LeetCode’s and stays on their site. What follows is my accepted solution.
Python
Accepted on LeetCode — runtime 0ms, memory 17.7MB, accepted 2025-12-30.
class Solution:
def decompressRLElist(self, nums: List[int]) -> List[int]:
result = []
for i in range(0, len(nums), 2):
freq, val = nums[i], nums[i+1]
result.extend([val] * freq)
return result