There is an array having 1 to 100 numbers randomly placed. But two numbers are missing from the list. What are those two numbers?

Asked Apr 27 '12 at 04:08

Active Apr 27 '12 at 04:08

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Easy interview question got harder: given numbers 1..100, find the missing number(s)

I know there is better solution than taking sum and then difference from sum of all 100 numbers and then searching for all possibilities. I was asked about this question in an interview. They also told me that i cant use hasing or sorting

edited May 23 '17 at 11:43

Community

asked Apr 27 '12 at 04:08

D J

This has already been solved, please see the following: http://stackoverflow.com/questions/3492302/easy-interview-question-got-harder-given-numbers-1-100-find-the-missing-numbe/3492967#3492967 – Apr 27 '12 at 04:22

There is an array having 1 to 100 numbers randomly placed. But two numbers are missing from the list. What are those two numbers?

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