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Count Substrings with Exactly k Distinct Characters in a String

Aug 26, 2024 · 4 min read · Problem Statement Given a string of lowercase alphabets, count all possible substrings (not necessarily distinct) that have exactly k distinct characters. Example:Input: S = "aba", K = 2Output: 3Explanation: The substrings are "ab", "ba", and "aba". ...

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GFG Count the Substrings Java Solution

Aug 8, 2023 · 3 min read · Problem Problem_Link Solution Approach Condition: Substrings with an equal number of uppercase and lowercase letters If the difference between the uppercase and lowercase letters at the starting and ending positions of a specific substring is the s...

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Count Substrings with Exactly k Distinct Characters in a String

GFG Count the Substrings Java Solution