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Problem

Submissions

Missing Number

Contributed by

Ratnesh

Easy

0/40

Avg time to solve 15 mins

Success Rate 85 %

3 upvotes

Problem Statement

Input:
A = [1, 2, 4, 5], N = 5
Output :
3
Explanation: 3 is the missing value in the range 1 to 5.

Detailed explanation ( Input/output format, Notes, Images )

First-line contains an integer ‘N’.
The second line has ‘N’-1 integers denoting the array ‘A’.

You must return the only missing integer from 1 to ‘N’.

You don’t need to print anything. Just implement the given function.

1 <= N <= 10^5 
1 <= A[i] <= N
Time Limit: 1 sec

4 
1 2 3

Input:
A = [1, 2, 3], N = 4
Output:
4
Explanation: 4 is the missing value in the range 1 to 4.

8
1 2 3 5 6 7 8

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