Return all possible letter combinations that a given number string could represent, given that the digits 2-9 are included. The answer may be returned in any order.

Return all possible letter combinations that a given number string could represent, given that the digits 2-9 are included. The answer may be returned in any order.

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: easy

标签: interviewbit, hashedin, company-specific

目标公司: HashedIn

参考答案摘要

For example, if the string “34” is provided, then the possible solutions are - ["dg","dh","di","eg","eh","ei","fg","fh","fi"]. Solution As a result, we need to generate all possible letters. So here w...

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