# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
27201 | 2017-07-10T12:40:10 Z | TAMREF | 팩토리얼 세제곱들의 합 (YDX14_fact) | C++11 | 0 ms | 0 KB |
def main(): n,k=list(map(int,input().split())) S=0 fact=[1,1,2,6,24,120,720,5040,40320,362880] for i in range(0,min(n,9)+1): S+=fact[i]**k print(S%10) if S%10 else print((S//10)%10) main()