Problem	integer
User	Xiangyu
Submission Time	2026-04-02 21:44:35
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

integer.cpp:3:6: error: ‘cout’ in namespace ‘std’ does not name a type
3 | std::cout << 1;
| ^~~~
In file included from integer.cpp:1:
/usr/include/c++/9/iostream:61:18: note: ‘std::cout’ declared here
61 | extern ostream cout; /// Linked to standard output
| ^~~~