0_0_39498777_25734.cpp: In function 'int main()':
0_0_39498777_25734.cpp:2:14: error: 'std::ios' has not been declared
2 | std::ios::sync_with_stdio(false);
| ^~~
0_0_39498777_25734.cpp:3:14: error: 'cin' is not a member of 'std'
3 | std::cin.tie(0);
| ^~~
0_0_39498777_25734.cpp:1:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
+++ |+#include <iostream>
1 | signed main() {
0_0_39498777_25734.cpp:6:14: error: 'cin' is not a member of 'std'
6 | std::cin >> n;
| ^~~
0_0_39498777_25734.cpp:6:14: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
0_0_39498777_25734.cpp:7:14: error: 'vector' is not a member of 'std'
7 | std::vector<std::vector<int>> adj(n + 1);
| ^~~~~~
0_0_39498777_25734.cpp:1:1: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
+++ |+#include <vector>
1 | signed main() {
0_0_39498777_25734.cpp:7:26: error: 'vector' is not a member of 'std'
7 | std::vector<std::vector<int>> adj(n + 1);
| ^~~~~~
0_0_39498777_25734.cpp:7:26: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
0_0_39498777_25734.cpp:7:33: error: expected primary-expression before 'int'
7 | std::vector<std::vector<int>> adj(n + 1);
| ^~~
0_0_39498777_25734.cpp:11:22: error: 'cin' is not a member of 'std'
11 | std::cin >> u >> v;
| ^~~
0_0_39498777_25734.cpp:11:22: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
0_0_39498777_25734.cpp:12:17: error: 'adj' was not declared in this scope
12 | adj[u].emplace_back(v);
| ^~~
0_0_39498777_25734.cpp:16:14: error: 'vector' is not a member of 'std'
16 | std::vector<u64> a(n + 1);
| ^~~~~~
0_0_39498777_25734.cpp:16:14: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
0_0_39498777_25734.cpp:16:21: error: 'u64' was not declared in this scope
16 | std::vector<u64> a(n + 1);
| ^~~
0_0_39498777_25734.cpp:16:26: error: 'a' was not declared in this scope
16 | std::vector<u64> a(n + 1);
| ^
0_0_39498777_25734.cpp:17:14: error: 'vector' is not a member of 'std'
17 | std::vector<u64> ans(n + 1);
| ^~~~~~
0_0_39498777_25734.cpp:17:14: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
0_0_39498777_25734.cpp:17:26: error: 'ans' was not declared in this scope
17 | std::vector<u64> ans(n + 1);
| ^~~
0_0_39498777_25734.cpp:19:22: error: 'cin' is not a member of 'std'
19 | std::cin >> a[i];
| ^~~
0_0_39498777_25734.cpp:19:22: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
0_0_39498777_25734.cpp:22:14: error: 'vector' is not a member of 'std'
22 | std::vector<int> hs(n + 1), sz(n + 1, 1);
| ^~~~~~
0_0_39498777_25734.cpp:22:14: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
0_0_39498777_25734.cpp:22:21: error: expected primary-expression before 'int'
22 | std::vector<int> hs(n + 1), sz(n + 1, 1);
| ^~~
0_0_39498777_25734.cpp:23:14: error: 'function' is not a member of 'std'
23 | std::function<void(int, int)> dfs0 = [&](int x, int fx) -> void {
| ^~~~~~~~
0_0_39498777_25734.cpp:1:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
+++ |+#include <functional>
1 | signed main() {
0_0_39498777_25734.cpp:23:36: error: expression list treated as compound expression in functional cast [-fpermissive]
23 | std::function<void(int, int)> dfs0 = [&](int x, int fx) -> void {
| ^
0_0_39498777_25734.cpp:23:23: error: expected primary-expression before 'void'
23 | std::function<void(int, int)> dfs0 = [&](int x, int fx) -> void {
| ^~~~
0_0_39498777_25734.cpp:34:9: error: 'dfs0' was not declared in this scope
34 | dfs0(1, 0);
| ^~~~
0_0_39498777_25734.cpp:34:20: error: expected '}' at end of input
34 | dfs0(1, 0);
| ^
0_0_39498777_25734.cpp:1:15: note: to match this '{'
1 | signed main() {
| ^
|
