Decode String | Leetcode November Challenge Day 19 | Leetcode 394

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1) 0:00 Explaining the problem out loud
2) 1:57 Algorithm walkthrough
5) 5:30 Coding it up
7) 10:40 Time complexity

Solution
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Thank you so much, great explanation.

clozer_
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hey can you tell why k = k*10 + (c - '0'); and what is the use of this c - '0' when c already holds the digit at what we are that moment

shivanshchauhan