Leetcode Problem 541. Reverse String II

541. Reverse String II

Leetcode Solutions

Initialize an empty list a to store the characters of the string.
Iterate over the string in increments of 2k.
For each block, determine the start and end indices for the first k characters.
Use two pointers to reverse the segment by swapping characters at the start and end indices, incrementing the start index and decrementing the end index after each swap.
Continue this process until the start index is no longer less than the end index.
After processing all blocks, join the list a into a string and return it.

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