Problem	goofyrooks
User	Henries
Submission Time	2024-10-21 12:20:32
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

goofyrooks.cpp: In function ‘int main()’:
goofyrooks.cpp:25:36: error: ‘used’ was not declared in this scope
25 | else if(usedcolumns.find(col) != used.columns.end() && usedrows.find(row) != usedrows.end()){
| ^~~~