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1495: 求1+2+3+...
Memory Limit:128 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:67
Solved:73
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Description
用递归的方法求
1+2+3+……+N
的值。
Input
输入N。
Output
输出和。
Sample Input
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5
Sample Output
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15
Source/Category
函数
递归
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