Problem	card
User	YH
Submission Time	2024-02-05 11:29:12
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

card.cpp: In function ‘int main()’:
card.cpp:25:7: error: ‘a’ was not declared in this scope
25 | for (a = steps.size()+k-2; a < steps.size()+k; a++) {
| ^