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# Algorithm to find the repeated number

Posted on 2004-04-18

Suppose you have an array of 1001 integers. The integers are in random order, but you know each of the integers is between 1 and 1000 (inclusive). In addition, each number appears only once in the array, except for one number, which occurs twice. Assume that you can access each element of the array only once. Describe an algorithm to find the repeated number. If you used auxiliary storage in your algorithm, can you find an algorithm that does not require it?

I will place my program very soon. But that has multipl access to array and has auxillary array to store. I have two more steps to be taken t reach goal. So please help...

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