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题解 | #牛客每个人最近的登录日期(三)#

select round((count(distinct d.user_id))/count(distinct c.user_id) ,3) as p from login c left join ( select a.user_id,...

2023-12-05

0 189

题解 | #牛客每个人最近的登录日期(二)#

select u_n, c_n, date from ( select u.name as u_n, c.name as c_n, date, row_nu...

2023-12-05

0 162

题解 | #异常的邮件概率#

select date, p from ( select id, send_id, round( ( sum(if ...

2023-12-05

0 185

题解 | #统计人次#

name = 'NiuNiu'list_sign = input().split()n = 0list_num = []for i in range(len(list_sign)):&nbs...

2022-11-03

1 308

题解 | #统计牛客网数据#

questions_num_list = list(map(int, input().split()))max_num = max(questions_num_list)min_num = min(questions_num_li...

2022-11-03

0 241

题解 | #改变单词游戏#

import copywords1 = input()words2 = input()list_words = words1.split()list_del = copy.copy(list_words)lis...

2022-11-03

0 241

题解 | #牛牛的朋友们#

def get_days(d1, d2): sum = d1 + d2 diff = d1 - d2&nbs...

2022-11-03

0 268

题解 | #网页的生成#

def get_height(h1, h2): print(h1*2) print(h2*2)h = input("请输入高度：")list_height = list(map(int, h.split()))#print(list_height)get_height(*list_hei...

2022-11-03

0 235