Problem	letters
User	Schzeey
Submission Time	2023-02-08 16:52:21
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

letters.cpp: In function ‘int main()’:
letters.cpp:26:26: error: request for member ‘first’ in ‘dp[(dp_ind - 1)]’, which is of non-class type ‘ull’ {aka ‘long long unsigned int’}
26 | if (dp[dp_ind-1].first != 0){
| ^~~~~