Problem	knockingdominoes_ex
User	suzienguyen
Submission Time	2026-06-25 10:36:11
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

knockingdominoes_ex.cpp:33:6: error: ‘cout’ does not name a type
33 | cout << ctr;
| ^~~~
knockingdominoes_ex.cpp:37:5: error: expected unqualified-id before ‘return’
37 | return 0;
| ^~~~~~
knockingdominoes_ex.cpp:38:5: error: expected declaration before ‘}’ token
38 | }
| ^