Problem	prime
User	pkdagoat
Submission Time	2026-11-10 15:14:49
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 /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:75,
from prime.cpp:1:
/usr/include/c++/9/iostream:60:18: note: ‘std::cin’ declared here
60 | extern istream cin; /// Linked to standard input
| ^~~
prime.cpp:28:9: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
28 | cout << "Prime";
| ^~~~
| std::cout
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:75,
from prime.cpp:1:
/usr/include/c++/9/iostream:61:18: note: ‘std::cout’ declared here
61 | extern ostream cout; /// Linked to standard output
| ^~~~
prime.cpp:30:8: error: ‘cout’ was not declared in th