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.
"Möbius function" ?
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.