Missing Number in the Array Coding Question — Asked in Qualcomm Interview Rounds.

Problem Statement :

Given an array of size N-1 such that it only contains distinct integers in the range of 1 to N. Find the missing element.

Input Format:

The first line of the input contains the value of N.

The second line contains a list of numbers from 1 to N-1.

Output Format:

The output contains one line of elements not present in the sequence of numbers between 1 and N-1.

Given:

10
6 1 2 8 3 4 7 10 5

Output:

9

Code:

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