Q1. THE FIRST ATTENDANCE QUESTION WAS:
What is erdos number
what is bacon number
what is erdos bacon number

A1. MY ANSWER TO THE FIRST ATTENDANCE QUESTION IS:
i.the "collaborative distance" between mathematician Paul Erdős and another person
ii.any two people on Earth are six or fewer acquaintance links apart
iii.the sum of one's Erdős number and one's Bacon number


Q2. THE  SECOND ATTENDANCE QUESTION WAS:
What is np hard problem

A2. MY ANSWER TO THE  SECOND ATTENDANCE QUESTION IS:
A decision problem H is NP-hard when for every problem L in NP, there is a polynomial-time many-one reduction from L to H.


Q3. THE  THIRD ATTENDANCE QUESTION WAS:
Find a graph of 6 vertices with 12 edges that has a hamiltonian path

A3. MY ANSWER TO THE  THIRD ATTENDANCE QUESTION IS:
[2,3],[3,4],[4,5],[5,6],[6,1],[1,2]


Q4. THE  FOURTH ATTENDANCE QUESTION WAS:
The number of 3xn king's tour

A4. MY ANSWER TO THE  FOURTH ATTENDANCE QUESTION IS:
0,8,32,240,1488,9844,63808,416236


Q5. THE  FIFTH ATTENDANCE QUESTION WAS:


A5. MY ANSWER TO THE  FIFTH ATTENDANCE QUESTION IS:



Q6. THE  SIXTH ATTENDANCE QUESTION WAS


A6. MY ANSWER TO THE  SIXTH ATTENDANCE QUESTION IS