calculate SUM(n) = 1 + 2 + 3 + ... + n

【文件属性】：

文件名称：calculate SUM(n) = 1 + 2 + 3 + ... + n

文件大小：295B

文件格式：RAR

更新时间：2022-01-25 04:11:26

C/C++

The input will consist of a series of integers n, one integer per line. For each case, output SUM(n) in one line, followed by a blank line. You may assume the result will be in the range of 32-bit signed integer.

【文件预览】：
SumProblem
----Sum Problem.cpp(239B)