Leetcode September Challenge Day 27 || 880. Decoded String at Index

Welcome to Day 27 of the LeetCode September Challenge! In today's coding session, we'll tackle problem #880 - "Decoded String at Index." Join us as we break down the problem, discuss the approach, and write efficient code to solve it.

🔥 Topics Covered:

LeetCode September Challenge
Problem-solving
String manipulation
Efficient algorithms
Coding walkthrough
🚀 Key Takeaways:

Understand the problem statement.
Analyze the given constraints.
Develop a strategy for solving the problem.
Write clean and optimized code.
Test your solution with various test cases.
🧐 Problem Statement:
Given a string S, you need to find the K-th letter in the decoded string. The string is decoded by repeating the decoded part of the string exactly K times. To decode the string, follow these rules:

If you have a number 'N' followed by a lowercase letter 'x,' repeat the substring 'x' exactly 'N' times.
If you have a letter 'x' without any preceding number, simply append 'x' to the decoded string.
Repeat the process until you have decoded the entire string.
🔑 Keywords:
LeetCode, September Challenge, 880. Decoded String at Index, Coding, Problem Solving, Algorithm, String Manipulation, K-th Letter, Efficient Code

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