Problem	area_noi
User	Ignqc1o
Submission Time	2026-04-13 17:28:38
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

area_noi.cpp: In function ‘int main()’:
area_noi.cpp:4:9: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
4 | int n; cin >> n;
| ^~~
| std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:75,
from area_noi.cpp:1:
/usr/include/c++/9/iostream:60:18: note: ‘std::cin’ declared here
60 | extern istream cin; /// Linked to standard input
| ^~~
area_noi.cpp:9:10: error: ‘max’ was not declared in this scope; did you mean ‘std::max’?
9 | area = max(area, h*w);
| ^~~
| std::max
In file included from /usr/include/c++/9/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
from area_noi.cpp:1:
/usr/include/c++/9/bits/stl_algo.h:3468:5: note: ‘std::max’ declared here
3468 | max(initializer_list<_Tp> __l, _Compare __