Problem from https://coj.uci.cu/24h/problem.xhtml?pid=3850 exponial(n) = n^(exponial(n-1))
How to calculate exponial(n) mod M?
How to calculate n^(n-1)^(n-2)...^1 mod M?
Problem from https://coj.uci.cu/24h/problem.xhtml?pid=3850 exponial(n) = n^(exponial(n-1))
How to calculate exponial(n) mod M?