Write a program to check if any element occurs at least twice in the array nums and return true. If every element is unique, return false.

Write a program to check if any element occurs at least twice in the array nums and return true. If every element is unique, return false.

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, virtusa, company-specific

目标公司: Virtusa

参考答案摘要

We can solve this problem by keeping the element in the HashMap. And if any of the elements appear to be already existing then we need to return true. And in this, HashMap helps us to do that. So the ...

本题提供 STAR 原则详细解答和技术解析，登录匠人学院学习中心即可查看完整答案。