Description: There are N sites on the Internet, usually sent to other n-1 sites from one site, and N-1 times in turn.
This can take a long time to publish a message from one site to the N site.
Set from each site you can send messages to other n-1 sites simultaneously.
When a site for a number of sites in a news release, is set to k, has received the news of the 1 + k site can release message to a number of other sites at the same time, set to t, then there is 1 + k + t a site can be released at the same time, this method should be released to shorten the time of news spread throughout the N site.
Please make up a program to program the shortest time you can start Posting messages from the first site to the N sites.
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