EasyNo. 2796LeetCode Premium
Repeat String — LeetCode 2796 Python Solution
- Topics
- JavaScript
- Reading time
- 2 min
- Source
- leetcode.com
The problem
Write code that enhances all strings such that you can call the string.replicate(x) method on any string and it will return repeated string x times. Try to implement it without using the built-in method string.repeat.
Example
- Input
- str = "hello", times = 2
- Output
- "hellohello"
- Explanation
- "hello" is repeated 2 times
Python solution
class Solution:
def replicate(self, s: str, times: int) -> str:
if times <= 0:
return ""
parts = []
for _ in range(times):
parts.append(s)
return "".join(parts)Complexity
- Time
- O(k)where k is the output length
- Space · auxiliary
- O(k)
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Frequently asked questions
- How hard is LeetCode 2796. Repeat String?
LeetCode 2796. Repeat String is rated Easy on LeetCode.
- What is the time complexity of LeetCode 2796. Repeat String?
The Python solution on this page runs in O(k) where k is the output length.
- What is the space complexity of LeetCode 2796. Repeat String?
The Python solution on this page uses O(k) auxiliary space.
- What topics does LeetCode 2796. Repeat String cover?
LeetCode 2796. Repeat String is tagged JavaScript on LeetCode.
- Is LeetCode 2796. Repeat String a premium problem?
Yes. LeetCode 2796. Repeat String is a LeetCode Premium problem, so the full statement and test cases require a paid LeetCode subscription.