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华为刷题

题解(6)

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题解 | #最长回文子串#

import sys for line in sys.stdin: s1=line.strip() len1=len(s1) result=[] for i in range(len1): for j in range(len1,...

Python3 字符串

2021-10-20

0 316

题解 | #挑7#

import sys for line in sys.stdin: n=int(line.strip()) num_count=0 for i in range(7, n+1): if i%7==0: num_count+=...

Python3 字符串

2021-10-20

0 322

题解 | #找出字符串中第一个只出现一次的字符#

import sys for line in sys.stdin: line=line.strip() result={} for i, c in enumerate(line): if c not in result: result...

Python3 字符串

2021-10-20

0 423

题解 | #自守数#

import sys for line in sys.stdin: n=int(line.strip()) count=0 for i in range(n+1): if str(i**2).endswith(str(i)): ...

Python3 字符串

2021-10-20

0 326

题解 | #合法IP#

import sys for line in sys.stdin: data=line.strip().split('.') flag=True for d in data: num=int(d) if num<0 or num>...

Python3 字符串

2021-10-19

0 367

题解 | #统计字符#

import sys for line in sys.stdin: line=line.strip() c_count=0 s_count=0 n_count=0 o_count=0 for c in line: if c.isalp...

Python3 字符串

2021-10-19

0 298

题解 | #字符串加密#

import sys def encry(line): line=line.lower() new_line=[] for c in line: if c not in new_line: new_line.append(c) ...

Python3 字符串

2021-10-19

0 332

题解 | #简单密码#

import sys def transform(c): data={'abc':'2', 'def': '3', 'ghi':'4', 'jkl':'5', 'mno':'6', 'pqrs':'7', 'tuv':'8', 'wxyz':'9'} for k in data: ...

Python3 字符串

2021-10-19

0 358

题解 | #DNA序列#

import sys while True: try: line=input() num=int(input()) result=[] for i in range(len(line)-num+1): ...

Python3 字符串

2021-10-19

0 275

题解 | #字符串通配符#

import sys import re pat=None for i, line in enumerate(sys.stdin): if i%2==0: pat_str=line.strip().lower().replace('?', '\w').replace('*'...

Python3 字符串

2021-10-19

0 331