Problem	card
User	Teeskit
Submission Time	2025-08-21 17:25:18
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

card.cpp: In function ‘int main()’:
card.cpp:15:2: error: ‘len’ was not declared in this scope; did you mean ‘mblen’?
15 | len = b.size()
| ^~~
| mblen
card.cpp:16:18: error: ‘i’ was not declared in this scope
16 | for (int i = 0; i < len; i++){
| ^