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全部文章（共41篇）

题解 | 查找兄弟单词

import sys # 读取输入字符串并按空格分割成列表 # 示例输入: "3 abc cba bac xyz 2" → ['3', 'abc', 'cba', 'bac', 'xyz', '2'] question_list = list(map(str, input()....

2025-06-30

0 8

题解 | 字符串加密

import sys # 输入字符串s和t s = input() t = input() # 参考字符串，便于后续字符串t的比较 cankao_string = "abcdefghijklmnopqrstuvwxyz" # 保留字符串s第一次出现的字母，其余的字母都去掉 ...

2025-06-24

0 14

题解 | 字符串加解密

import sys s = list(map(str, input())) t = list(map(str, input())) # 字符串s的加密 s_encode = '' for i in range(len(s)): if 'a' <= s[i] <= 'y': ...

2025-06-23

0 13

题解 | 公共子串计算

import sys s = input() t = input() max_common_string_length = 0 if len(s) >= len(t): for i in range(len(s)): for j in range(i, len(t...

2025-06-19

0 18

题解 | 删除字符串中出现次数最少的字符

s = input().strip() # 构造一个字典 freq = {} # 遍历字符串，若字典中不存在该字符则新增该字符并设置为1，否则在原来基础上自增1 for char in s: freq[char] = freq.get(char, 0) + 1 # 找到字典中的最小值，...

2025-06-18

0 19

题解 | 字符串排序

import sys n = int(input()) S = [] for i in range(n): s = input().split() S.append(s) S.sort() for j in range(n): print(''.join(S[j])...

2025-06-18

0 15

题解 | 小红的双生串

import sys s = input() count = 0 s1 = s[:len(s)//2] # 字符串 s2 = s[len(s)//2:] s11 = list(set(s1)) # 去重后的列表 s22 = list(set(s2)) i1 = 0 i2 = 0...

2025-06-16

0 13

题解 | 字符逆序

import sys s = input() s = reversed(s) print(''.join(s))

2025-06-14

0 22

题解 | 等差数列

import sys n = int(input()) sum = 0 for i in range(n): sum1 = 2+3*i sum += sum1 print(sum)

2025-06-14

0 16

题解 | 密码强度等级

import sys string = input() score = 0 # 一、密码长度: if len(string) <= 4: score += 5 elif 5 <= len(string) <= 7: score += 10 elif len(s...

2025-06-12

0 13