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Solution: Minimum Flips to Make the Binary String Alternate

Let’s solve the Minimum Flips to Make the Binary String Alternate problem using the Sliding Window pattern.

Statement

Given a binary string s, the following two operations can be performed in any sequence:

  • Type 1: Remove the character at the start of the string s and append it to the end of the string.

  • Type 2: Pick any character from the string and flip its value. In other words, if its value is 00, it becomes 11 ...