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Smallest, unrepresented integer
Python Data Structures Arrays

Forward this email to a friend or colleague and challenge them to solve it.

Hi, 

Given a sorted (in increasing order) array of positive numbers, can you find the smallest positive integer that cannot be represented as a sum of elements from the array?

    
Input:  arr[] = [1, 3, 6, 10, 11, 15]
    
Output: 2
    

    
Input:  arr[] = [1, 1, 1, 1]
    
Output: 5
    

    
Input:  arr[] = [1, 1, 3, 4]
    
Output: 10

Solution will be written in Python.


 

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