Problem	3nplus1
User	Bsnsnsnan
Submission Time	2024-04-13 11:04:34
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

3nplus1.cpp:2:7: error: expected nested-name-specifier before ‘whitespace’
2 | using whitespace std;
| ^~~~~~~~~~
3nplus1.cpp: In function ‘int main()’:
3nplus1.cpp:5:5: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
5 | cin >> n;
| ^~~
| std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:75,
from 3nplus1.cpp:1:
/usr/include/c++/9/iostream:60:18: note: ‘std::cin’ declared here
60 | extern istream cin; /// Linked to standard input
| ^~~
3nplus1.cpp:7:9: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
7 | cout << n;
| ^~~~
| std::cout
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:75,
from 3nplus1.cpp:1:
/usr/include/c++/9/iostream:61:18: note: ‘std::cout’ declared here