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Problem K: 编程求1*2*3*...*n
Problem K: 编程求1*2*3*...*n
[Creator :
]
Time Limit :
1.000
sec
Memory Limit :
16 MiB
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ProblemList
Solved: 140
Submit Num: 227
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Description
编程求1*2*3*...*n
Input
输入一行,只有一个整数n(1<=n<=10)
Output
输出只有一行(这意味着末尾有一个回车符号),包括1个整数。
Sample Input
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5
Sample Output
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120