1150 问题 A: C语言训练-计算t=1+1/2+1/3+...+1/n

 时间限制: 1s 内存限制: 128MB
题目描述

计算t=1+1/2+1/3+...+1/n

输入

整型变量n

输出

t(保留六位小数)

样例输入

10

样例输出

2.928968 
提示
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