1188: 求阶乘的和
Memory Limit:32 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:51
Solved:23
Description
输入一个整数n,计算1!+2!+3!+...+n!
Input
输入一个整数n
Output
一个整数,前1~n的阶乘的和
Sample Input Copy
3
Sample Output Copy
9
HINT
n是正整数,0<n<11