Unique Ideas Mania

A number representing the count of substrings with at most K unique characters. A vast library of … Read more K Unique Characters

We can consider all substrings one by one and check for each substring whether it contains all uni… Read more K Unique Characters Coderbyte

For example if s LEETCODE then L T C O D are the unique characters since they appear only once in … Read more K Unique Characters Leetcode