Problem	adjmatrix
User	sharelletqx
Submission Time	2026-07-25 09:53:44
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

adjmatrix.cpp:2:16: error: expected identifier before ‘;’ token
2 | using namespace;
| ^
adjmatrix.cpp: In function ‘int main()’:
adjmatrix.cpp:5:2: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
5 | cin>>n>>e;
| ^~~
| std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:75,
from adjmatrix.cpp:1:
/usr/include/c++/9/iostream:60:18: note: ‘std::cin’ declared here
60 | extern istream cin; /// Linked to standard input
| ^~~