Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
140890 叶航帅 求序列的前n项和 Python3 Wrong Answer 54 MS 3748 KB 207 2025-12-20 14:21:31

Tests(0/10):

Code:

n = 7 a,b = 2,3 c,d = 1,2 res = a/c + b/d for x in range(n-2): ab = a + b a = b b = ab cd = c+d c = d d = cd res = res + b/d res = round(res,4) print(res)

Run Info:

------Input------

3

------Answer-----

5.16667

------Your output-----

11.6261