Data Structures for Coding Interviews in Java/

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Challenge: First Non-Repeating Integer in an Array

Challenge: First Non-Repeating Integer in an Array

Try to solve the First NonRepeating Integer in an Array problem.

We'll cover the following...

Statement

Given an array nums, find the first nonrepeating integer in it.

Constraints:

  • 1≤1 \leq nums.length ≤103\leq 10^3

  • −104≤-10^4 \leq nums[i] ≤104 \leq 10^4

Examples

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