Problem	cardtrick
User	YellowPurpleDragon
Submission Time	2025-02-04 16:46:51
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

cardtrick.cpp: In function ‘int main()’:
cardtrick.cpp:34:13: error: ‘d’ was not declared in this scope
34 | cout << d.size();
| ^