Problem	letters
User	Henries
Submission Time	2025-01-24 22:35:16
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

letters.cpp: In function ‘int main()’:
letters.cpp:143:13: error: ‘Z’ was not declared in this scope
143 | dp[i] += Z[i-1];
| ^