eighty's blog

By eighty, history, 11 months ago, In English,

Hi Everyone.

Now I'm wondering about how many different ways of choosing K( K <= 1000 ; K <= N) numbers from 0 until N-1 such that the sum is divisible by N ( N <= 10^9).

Any advice?

Thank you.

  • Vote: I like it  
  • +6
  • Vote: I do not like it