When solving LightOJ 1144 problem then I've found a new term "Möbius function". Can Anyone please help me what is this and where and how to apply it?
Thanks in advance.
When solving LightOJ 1144 problem then I've found a new term "Möbius function". Can Anyone please help me what is this and where and how to apply it?
Thanks in advance.
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https://discuss.codechef.com/questions/72953/a-dance-with-mobius-function
Thank you very much! I am reading this now.