Problem	letters
User	lykieutrang
Submission Time	2025-11-16 23:38:02
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

letters.cpp: In function ‘int main()’:
letters.cpp:12:32: error: ‘a’ was not declared in this scope
12 | string s0, s; getline(cin, a); vector<ll> dp(27);
| ^