Find Missing Numbers from Integer Array

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Missing Numbers from Integer Array



You are given a list n integers and these integers are in a range from 1 to n. There is one more than one missing number that you have to find.

For example: arr = [1,2,3,5,6,8], the output will be [4,7]

This can be solved using various methods:

1. Method using HashSet


2. Method One liner python code


To find only one missing number from an integer array, the following methods can help you:


Thank you so much for reading this article, if you like this question please share this with your friends who love programming. And if you have questions or feedback please drop a comment.

To solve more problems please check out this article "Top 10 Array Interview Questions".

All the Best!
Location: Maharashtra, India

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