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Hello! I am completing 100 DivB problem in Ahmed's Ladder and I got stuck on this one. I feel this one has some underlying mathematics concept I am unaware of. Sadly there is no editorial either and understanding from other people's code was very difficult.
Can someone give me a hand in understanding the solution to this problem?
Thank you very much
How do you minimise number of friends ?
Make the teams as even as possible.
How do you maximise the number of friends ?
Put one person in each team and put all the remaining people in one team.
Here is some explanation.
I won't include code because I was a beginner when I solved this problem and I did it in C.