Given an encoded string, return its decoded string. The encoding rule is: `k[encoded_string]`, where the `encoded_string` inside the square brackets is repeated exactly `k` times. - Nested encodings ...
因为平时都把“” 当做Null对待，这里就犯浑了。 这题，要把Null特别mark一下为‘NULL’，而特别处理 “” empty string. Design an algorithm to encode a list of strings to a string. The encoded string is then sent over the ...
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