Find K-Length Substrings With No Repeated Characters - Video Solutions

MediumHash TableStringSliding Window

Longest Substring Without Repeating Characters - Leetcode 3 - Python

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Find K-Length Substrings With No Repeated Characters - Video Solution

Watch 10 video solutions for Find K-Length Substrings With No Repeated Characters, a medium level problem involving Hash Table, String, Sliding Window. This walkthrough by NeetCode has 657,697 views views. Want to try solving it yourself? Practice on FleetCode or read the detailed text solution.

Problem Statement

Given a string s and an integer k, return the number of substrings in s of length k with no repeated characters.

Example 1:

Input: s = "havefunonleetcode", k = 5
Output: 6
Explanation: There are 6 substrings they are: 'havef','avefu','vefun','efuno','etcod','tcode'.

Example 2:

Input: s = "home", k = 5
Output: 0
Explanation: Notice k can be larger than the length of s. In this case, it is not possible to find any substring.

Constraints:

1 <= s.length <= 10⁴
s consists of lowercase English letters.
1 <= k <= 10⁴

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