[UVA][二項式定理][log] 10883 - Supermean
Problem F
Supermean
Time Limit: 2 second
"I have not failed. I've just found 10,000 ways that won't work."
Thomas Edison
Do you know how to compute the mean (or average) of n numbers?
Well, that's not good enough for me. I want the supermean! "What...