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Problem2173--阶加(递归入门1)(1)
2173: 阶加(递归入门1)(1)
[Creator :
]
Time Limit :
1.000
sec
Memory Limit :
128 MB
Submit
Solved: 22
Submit Num: 23
Statistics
Description
求N的阶加,即求1+2+3+......N的和,符号表示N ~。答案在int范围。
Sample Input
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10
Sample Output
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55
Source/Category
递归