"hello""world"โ†“5#hello5#worldโ†“"hello""world"
mediumBlind 75

Encode and Decode Strings

This is a string problem that rewards careful parsing and strong edge-case instincts. Interviewers love it because it reveals your rule-based parsing and your edge-case discipline. Go slow on indexing; most string bugs are just off-by-one mistakes.

DesignString
๐Ÿ‘ฉโ€๐Ÿซ
๐Ÿ‘จโ€๐Ÿ’ผ

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1Simple Encodingmedium
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