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There are N secret agents each know a different piece of
secret information. They can telephone each other and
exchange all the information they know. After the telephone
call, they both know anything that either of them knew
before the call.

What are the minimum number of telephone calls needed so
that all of the them know everything?

Answer Posted / fayaz

ANS:2(N-1)

Is This Answer Correct ?    0 Yes 3 No



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