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.

Repeat String — LeetCode 2796 Python Solution

EasyLeetCode PremiumJavaScript

Problem: #2796
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

Python

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

Measure	Complexity
Time	O(k) where k is the output length
Space	O(k) auxiliary

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.