Problem	prime
User	pkdagoat
Submission Time	2026-11-10 15:13:43
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

prime.cpp: In function ‘int main()’:
prime.cpp:26:2: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
26 | cin << num;
| ^~~
| std::cin
In file included from prime.cpp:1:
/usr/include/c++/9/iostream:60:18: note: ‘std::cin’ declared here
60 | extern istream cin; /// Linked to standard input
| ^~~