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全部文章（共45篇）

题解 | #蛇形矩阵#

n=int(input()) res=[[0]*n for _ in range(n)] res[0][0]=1 for i in range(1,n): res[i][0]=res[i-1][0]+i for i in range(n): for j in range(1,n-i)...

2024-02-18

0 194

题解 | #图片整理#

string=input() res=[] for i in string: res.append(ord(i)) res=sorted(res) print(''.join(chr(i) for i in res))

2024-02-18

0 212

题解 | #整型数组合并#

m=input() list1=list(map(int,input().split())) n=input() list2=list(map(int,input().split())) mylist=map(str,sorted(list(set(list1+list2)))) print('...

2024-02-18

0 173

题解 | #自守数#

n=int(input()) res=[] for i in range(n+1): if str(i**2)[len(str(i**2))-len(str(i)):]==str(i): res.append(i) print(len(res))

2024-02-18

0 231

题解 | #百钱买百鸡问题#

for k in range(34): for j in range(100-3*k+1): if 100-3*k-j>=0: i=100-3*k-j if 5*i+3*j+k==100: ...

2024-02-18

0 205

题解 | #统计字符#

mystr=input() times=[0,0,0,0] for i in mystr: if i.isdigit(): times[2]+=1 elif i.isalpha(): times[0]+=1 elif i==' ': ...

2024-02-17

0 192

题解 | #最长回文子串#

mystr=input() n=len(mystr) dp=[[0]*n for _ in range(n)] for i in range(n): dp[i][i]=1 #如果一个字符串为回文，那么首尾去掉两个字母也是回文 max_len=0 for j in range(1,n): ...

2024-02-17

0 162

题解 | #表示数字#

import re mystr=input() res = re.sub(r'(\d+)', r'*\1*',mystr) print(res)

2024-02-17

0 186

题解 | #字符串字符匹配#

def check(str1,str2): for i in set(str1): if i not in str2: return 'false' return 'true' str1=input() str2=input() pr...

2024-02-17

0 178

题解 | #密码强度等级#

def grade_1(mystr,nowgrade): if len(mystr)<=4: nowgrade+=5 elif len(mystr)>=8: nowgrade+=25 else: nowgrade+=...

2024-02-17

0 226