Linux tsuru-no-tsurugi 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 UTC 2026 x86_64
Apache/2.4.52 (Ubuntu)
Server IP : 192.168.0.18 & Your IP : 216.73.217.105
Domains :
Cant Read [ /etc/named.conf ]
User : www-data
Terminal
Auto Root
Create File
Create Folder
Localroot Suggester
Backdoor Destroyer
Readme
/
var /
www /
submit2 /
114993 /
Delete
Unzip
Name
Size
Permission
Date
Action
a.py
549
B
-rwxr-x---
2024-08-28 22:35
cerror.txt
0
B
-rwxr-x---
2024-08-28 22:35
error.txt
0
B
-rwxr-x---
2024-08-28 22:35
submit_info.txt
331
B
-rwxr-x---
2024-08-28 22:35
Save
Rename
from string import ascii_letters from collections import defaultdict ascii_index = {c : i for i, c in enumerate(ascii_letters)} ascii_set = set(ascii_letters) N = int(input()) S = input().split() dp = [defaultdict(int) for _ in range(1<<N)] for bit in range(1<<N): for i, s in enumerate(S): if (bit >> i) & 1 == 1: continue bit_next = bit | (1<<i) dp[bit_next][s[-1]] = max(dp[bit_next][s[-1]], dp[bit][s[0]] + len(s)) ans = 0 for k, v in dp[-1].items(): ans = max(ans, v) print(ans)