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#45. 计算1+2+3+4......+n之和
ID: 45
Type: Default
1000ms
128MiB
Tried: 1
Accepted: 1
Difficulty: 10
Uploaded By:
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循环结构
计算1+2+3+4......+n之和
说明
计算
1+2+3+4......+n
之和
输入格式
一个整数
n(0<n<=10000)
输出格式
和
10
55
来源
循环结构
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