龙灬胆

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全部文章（共43篇）

题解 | #分组过滤练习题#

select university, round(avg(question_cnt), 3) as avg_question_cnt, round(avg(answer_cnt), 3) as avg_answer_cnt from user_profile grou...

2024-03-03

0 249

题解 | #计算男生人数以及平均GPA#

select count(*) as male_num, round(avg(gpa), 1) as avg_gpa from user_profile where gender = 'male'; #注意round去小数点一位

2024-03-03

0 217

题解 | #查找兄弟单词#

while True: try: data = input().split() # print(data) n = int(data[0]) k = int(data[-1]) key_word = data[-...

2023-12-10

0 245

题解 | #计算某字符出现次数#

import sys strs = input() char = input() count = 0 for str in strs: if char.upper() == str or char.lower() == str: count += 1 print(coun...

2023-12-03

0 226

题解 | #字符串最后一个单词的长度#

import sys str = input() last_char = str.split(' ')[-1] print(len(last_char))

2023-12-03

0 260

题解 | #明明的随机数#

import sys import random n = int(input()) vals = [] vals_unique = [] for i in range(n): val = int(input()) vals.append(val) for val in val...

2023-11-11

0 246

题解 | #参数解析#

import re import shlex while True: try: strings = input() lex = shlex.shlex(strings) lex.quotes = '"' lex.whi...

2023-10-22

0 255

题解 | #在字符串中找出连续最长的数字串#

import re while True: try: strings = input() numbers_list = re.findall('\d+', strings) max_len = len(sorted(numbers_list, ...

2023-10-21

0 250

题解 | #求解立方根#

while True: try: n = float(input()) a = 1/3 if n > 0: result = n**a print(round(result, 1)) ...

2023-10-13

0 240

题解 | #等差数列#

while True: try: n = int(input()) sum = 2 for i in range(1, n): number = 2 + 3 * i sum += number ...

2023-10-13

0 239