Given an encoded string, return it's decoded string. The encoding rule is: k[encoded_string], where the encoded_stringinside the square brackets is being repeated exactly k times. Note that kis guaranteed to be a positive integer. You may assume that…
题目: 给定一个经过编码的字符串,返回它解码后的字符串. Given an encoded string, return its decoded string. 编码规则为: k[encoded_string],表示其中方括号内部的 encoded_string 正好重复 k 次.注意 k 保证为正整数. The encoding rule is: k[encoded_string], where the encoded_string inside the square brackets is…