Encode And Decode Strings - 271. LeetCode - Java

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Encode And Decode Strings - 271. LeetCode - Java

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Could you use only number length as a prefix? Why do we need a combination of number and delimiter?
Is delimiter like an extra verification? I am a bit confused about this but I like how you represent approach with visualizations
EDIT: I got it... Length Number may be not a single digit (0-9)

leonelmessi
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Bro, instead brring a structured dsa course for beginners in c++
Will get more views too😊

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