0_0_36339979_831.cpp:8:1: error: 'vector' does not name a type
vector<int>e[N];
^
0_0_36339979_831.cpp: In function 'void dfs(int, int)':
0_0_36339979_831.cpp:12:18: error: 'e' was not declared in this scope
for (int v : e[u]) {
^
0_0_36339979_831.cpp: In function 'int main()':
0_0_36339979_831.cpp:20:5: error: 'cin' was not declared in this scope
cin.tie(nullptr)->sync_with_stdio(false);
^
0_0_36339979_831.cpp:20:5: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:74:0,
from 0_0_36339979_831.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:60:18: note: 'std::cin'
extern istream cin; /// Linked to standard input
^
0_0_36339979_831.cpp:23:59: error: 'e' was not declared in this scope
for (int i = 1; i <= n; ++i) q[i].l = q[i].r = i, e[i].clear();
^
0_0_36339979_831.cpp:29:17: error: 'e' was not declared in this scope
e[q[a].l].push_back(q[b].l);
^
0_0_36339979_831.cpp:41:25: error: 'cout' was not declared in this scope
if (!q[i].l)cout << "0\n";
^
0_0_36339979_831.cpp:41:25: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:74:0,
from 0_0_36339979_831.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:61:18: note: 'std::cout'
extern ostream cout; /// Linked to standard output
^
0_0_36339979_831.cpp:45:17: error: 'cout' was not declared in this scope
cout << k + 1 << " " << q[i].l;
^
0_0_36339979_831.cpp:45:17: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:74:0,
from 0_0_36339979_831.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:61:18: note: 'std::cout'
extern ostream cout; /// Linked to standard output
^
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