0_0_38740471_16277.cpp: In function 'void Solution::Input()':
0_0_38740471_16277.cpp:44:14: error: 'ein' was not declared in this scope; did you mean 'IO::ein'?
44 | # define cin ein
| ^~~
0_0_38740471_16277.cpp:48:23: note: in expansion of macro 'cin'
48 | inline void Input() { cin >> n; for (int i = 1, u, v; i <= n; ++i) { cin >> u >> v, G[v].push_back(array<int, 2> {u, i << 1}); if (u != v) G[u].push_back(array<int, 2> {v, i << 1 | 1}); } }
| ^~~
0_0_38740471_16277.cpp:22:3: note: 'IO::ein' declared here
22 | } ein(stdin);
| ^~~
0_0_38740471_16277.cpp: In function 'void Solution::solve()':
0_0_38740471_16277.cpp:44:14: error: 'ein' was not declared in this scope; did you mean 'IO::ein'?
44 | # define cin ein
| ^~~
0_0_38740471_16277.cpp:71:54: note: in expansion of macro 'cin'
71 | inline void solve () { ios_base::sync_with_stdio(0), cin.tie(nullptr), cout.nullptr(nullptr); Init(), Input(), work(); }
| ^~~
0_0_38740471_16277.cpp:22:3: note: 'IO::ein' declared here
22 | } ein(stdin);
| ^~~
0_0_38740471_16277.cpp:71:77: error: expected unqualified-id before 'nullptr'
71 | inline void solve () { ios_base::sync_with_stdio(0), cin.tie(nullptr), cout.nullptr(nullptr); Init(), Input(), work(); }
| ^~~~~~~
|
