mediumStringsPattern: Mixed
Consecutive Character Blocks Solution
Problem Statement
Given a string of characters, count the number of blocks where a character is immediately followed by the same character, ignoring isolated characters without consecutive duplicates.
Examples
Example 1:
Input:aabbbcccc
Output:3
Explanation: The signal blocks are aa, bbb, and cccc. There are 3 signal blocks.
Example 2:
Input:abcde
Output:0
Explanation: There are no signal blocks because no character has consecutive identical characters.
Example 3:
Input:aaaabbbbcccc
Output:3
Explanation: The signal blocks are aaaa, bbbb, and cccc. There are 3 signal blocks.
Constraints
- 1 <= transmission string length <= 1000
- Transmission string only contains uppercase English letters
Time: O(n) Space: O(1)
An optimized approach involves using a single loop to iterate through the transmission string, keeping track of the current character and the count of consecutive occurrences. This approach allows us to identify signal blocks in a single pass through the string, resulting in a much more efficient solution. The optimized approach can be implemented using a simple loop and conditional statements.
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