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1258: 求阶乘的和
Memory Limit:128 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:35
Solved:15
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Description
输入一个n,编写程序求1!+2!+3!+…+n!。 ( n小于10)
Input
一个数字n
Output
输出1!+2!+3!+…+n!的答案
Sample Input
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5
Sample Output
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153
HINT
1!+2!+3!+4!+5!=1!+1!x2+2!x3+3!x4 +4!x5 从这个式子里你能发现什么
Source/Category
while循环
循环综合
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