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Problem3662--周周练-第8周:简单递归1-f(n)=1+2+3+4+···+n (n<=10000)
3662: 周周练-第8周:简单递归1-f(n)=1+2+3+4+···+n (n<=10000)
Time Limit:
1
Sec
Memory Limit:
128 MB
Submit:
31
Solved:
28
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Status
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Description
已知函数f(n)=1+2+3+4+···+n;(n<=10000
)
输入n,求函数的值
输入样例:10
输出样例:55
Source/Category
周周练-提高A