Movatterモバイル変換


[0]ホーム

URL:


Skip to content

Navigation Menu

Sign in
Appearance settings

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly

Sign up
Appearance settings

Commit2e9798d

Browse files
python 1397 added
1 parent38ea709 commit2e9798d

File tree

1 file changed

+48
-0
lines changed

1 file changed

+48
-0
lines changed
Lines changed: 48 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,48 @@
1+
classSolution:
2+
deffindGoodStrings(self,n:int,s1:str,s2:str,evil:str)->int:
3+
a=ord('a')
4+
z=ord('z')
5+
6+
arr_e=list(map(ord,evil))
7+
len_e=len(evil)
8+
next= [0]*len_e
9+
10+
foriinrange(1,len_e):
11+
j=next[i-1]
12+
whilej>0andevil[i]!=evil[j]:
13+
j=next[j-1]
14+
ifevil[i]==evil[j]:
15+
next[i]=j+1
16+
17+
defgood(s):
18+
arr=list(map(ord,s))
19+
len_a=len(arr)
20+
21+
@cache
22+
deff(i,skip,reach,e):
23+
ife==len_e:
24+
return0
25+
ifi==len_a:
26+
return0ifskipelse1
27+
28+
limit=arr[i]ifreachelsez
29+
ans=0
30+
31+
ifskip:
32+
ans+=f(i+1,True,False,0)
33+
34+
forcinrange(a,limit+1):
35+
ee=e
36+
whileee>0andarr_e[ee]!=c:
37+
ee=next[ee-1]
38+
39+
ifarr_e[ee]==c:
40+
ee+=1
41+
42+
ans+=f(i+1,False,reachandc==limit,ee)
43+
44+
returnans%int(1e9+7)
45+
46+
returnf(0,True,True,0)
47+
48+
return (good(s2)-good(s1)+int(evilnotins1))%int(1e9+7)

0 commit comments

Comments
 (0)

[8]ページ先頭

©2009-2025 Movatter.jp