1177: 【C语言训练】求1+2!+3!+...+N!的和
Memory Limit:128 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:60
Solved:5
Description
求1+2!+3!+...+N!的和
Input
正整数N(N〈=20)
Output
1+2!+3!+...+N!的和 (结果为整数形式)
Sample Input Copy
3
Sample Output Copy
9