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Problem2494--一共要打多少个结?
2494: 一共要打多少个结?
[Creator :
]
Time Limit :
1.000
sec
Memory Limit :
128 MiB
Submit
Solved: 23
Submit Num: 38
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Description
把n根绳子接成一根长绳,一共要打多少个结?
Input
50
Output
49
Sample Input
Copy
50
Sample Output
Copy
49
Source/Category
一年级奥数