Write a program. there are 1..n numbers placed in an array in random fash

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Question

Write a program. there are 1..n numbers placed in an 
array in random fashion with one integer missing. find the 
missing number.

Question Submitted By :: Lakshmipriya

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Answer Posted By

Re: Write a program. there are 1..n numbers placed in an array in random fashion with one integer missing. find the missing number.

Answer
# 1

Array.Sort(a);
var b= a.Where((o,index)=>o!=index+1);
Console.WriteLine(b.First()-1);

Is This Answer Correct ?

1 Yes

2 No

Jayakrishnan

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