Longest Substring With K Unique Characters | Variable Size Sliding Window

Опубликовано: 20 Декабрь 2020
на канале: Aditya Verma
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Problem Description: https://practice.geeksforgeeks.org/pr...

Given a string you need to print the size of the longest possible substring that has exactly k unique characters.


Example:
Input:
2
aabacbebebe
3
aaaa
1
Output:
7
4 .
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