After Elon Musk decided to make a new business idea. He found a social network called "Friends.com". It has currently N registered users. Likewise in any social network many users can be friends. Elon Musk wants the world to be as super connected as possible, so he has this new way to suggest friendship to some pairs of users. He suggests user u to have a friendship with user v if they are not friends yet and there is a user w who is friends of both of them. Note that u, v and w are different users. Elon Musk is too busy with SpaceX these days, so he hired you to develop a C++ program to count out how many friendship suggestions he has to send over his social network "Friends.com".

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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C++ Programming Problem:
After Elon Musk decided to make a new business idea. He found a social network called
"Friends.com". It has currently N registered users. Likewise in any social network many users
can be friends. Elon Musk wants the world to be as super connected as possible, so he has
this new way to suggest friendship to some pairs of users. He suggests user u to have a
friendship with user v if they are not friends yet and there is a user w who is friends of both
of them. Note that u, v and w are different users. Elon Musk is too busy with SpaceX these
days, so he hired you to develop a C++ program to count out how many friendship
suggestions he has to send over his social network "Friends.com".
Sample Input:
3
0111
1000
1000
Sample Output:
Transcribed Image Text:C++ Programming Problem: After Elon Musk decided to make a new business idea. He found a social network called "Friends.com". It has currently N registered users. Likewise in any social network many users can be friends. Elon Musk wants the world to be as super connected as possible, so he has this new way to suggest friendship to some pairs of users. He suggests user u to have a friendship with user v if they are not friends yet and there is a user w who is friends of both of them. Note that u, v and w are different users. Elon Musk is too busy with SpaceX these days, so he hired you to develop a C++ program to count out how many friendship suggestions he has to send over his social network "Friends.com". Sample Input: 3 0111 1000 1000 Sample Output:
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