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题解 | 单词倒排

import resentence = input()words = re.findall(r'[a-zA-Z]+', sentence)words.reverse()print(' '.join(words))

2025-04-16

0 22

题解 | 删除字符串中出现次数最少的字符

from collections import Counter # 输入字符串 s = input() # 统计字符出现次数 freq = Counter(s) # 找出最少出现的次数 min_freq = min(freq.values()) # 创建删除最少出现字符后的新字符串 resu...

2025-04-16

0 26

题解 | 汽水瓶

# 数学思维，3瓶=1水+1瓶 # 2瓶=1水即，2个空瓶喝一瓶水 while True: n = int(input()) if n == 0: break print(n // 2)

2025-04-16

0 22

题解 | 简单密码

s = input() words = [] for i in s: if i.isupper(): if i =='Z': words.append('a') else: words.append(chr(or...

2025-04-16

0 25

题解 | 字符串排序

n = int(input()) words_list = [] for i in range(n): words = input() words_list.append(words) words_list.sort() for words in words_list: pr...

2025-04-16

0 23

题解 | 句子逆序

print(' '.join(reversed(input().split())))

2025-04-16

0 23

题解 | 合并表记录

n = int(input()) records = {} for _ in range(n): x, y = map(int, input().split()) if x in records: records[x] += y else: ...

2025-04-16

0 30

题解 | 质数因子

import math # 获取质因子 def prime_factors(n): factors = [] # 处理 2 的因子 while n % 2 == 0: factors.append(2) n //= 2 # 处理奇...

2025-04-16

0 27

题解 | 小红的正整数计数

a,b= map(int,input().split()) count = 0 for i in range(a,b+1): if i%2==0: count +=1 print(count)

2025-04-16

0 30

题解 | 小红的正整数构造

a,b,c = map(int,input().split())for i in [a,b]: if i%c==0: print(i) breakelse: print(-1)

2025-04-16

0 30