编写题解 2220: 蓝桥杯算法训练-P0505(python)

解题思路:

注意事项:

参考代码:

a=int(input())

sum=1

for i in range(1,a+1):

    sum*=i

x=str(sum)

s1=[]

for i in x:

    s1.append(int(i))

s1.reverse()

for j in s1:

    if j!=0:

        print(j)

        break