Problem	topsilver
User	yq
Submission Time	2026-06-26 12:59:35
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

topsilver.cpp:2:20: error: expected ‘;’ before ‘:’ token
2 | using namespace std:
| ^
| ;
topsilver.cpp:2:20: error: expected unqualified-id before ‘:’ token