Eroare de compilare: main.cpp:11:40: error: 'list' was not declared in this scope void traverse(const unordered_map<int, list<int>> & graph, int x, int y, set<int> & result) ^~~~ main.cpp:11:48: error: template argument 2 is invalid void traverse(const unordered_map<int, list<int>> & graph, int x, int y, set<int> & result) ^~ main.cpp:11:48: error: template argument 5 is invalid main.cpp:11:40: error: 'list' was not declared in this scope void traverse(const unordered_map<int, list<int>> & graph, int x, int y, set<int> & result) ^~~~ main.cpp:11:48: error: template argument 2 is invalid void traverse(const unordered_map<int, list<int>> & graph, int x, int y, set<int> & result) ^~ main.cpp:11:48: error: template argument 5 is invalid main.cpp:11:40: error: 'list' was not declared in this scope void traverse(const unordered_map<int, list<int>> & graph, int x, int y, set<int> & result) ^~~~ main.cpp:11:48: error: template argument 2 is invalid void traverse(const unordered_map<int, list<int>> & graph, int x, int y, set<int> & result) ^~ main.cpp:11:48: error: template argument 5 is invalid main.cpp:11:40: error: 'list' was not declared in this scope void traverse(const unordered_map<int, list<int>> & graph, int x, int y, set<int> & result) ^~~~ main.cpp:11:48: error: template argument 2 is invalid void traverse(const unordered_map<int, list<int>> & graph, int x, int y, set<int> & result) ^~ main.cpp:11:48: error: template argument 5 is invalid main.cpp:11:40: error: 'list' was not declared in this scope void traverse(const unordered_map<int, list<int>> & graph, int x, int y, set<int> & result) ^~~~ main.cpp:11:48: error: template argument 2 is invalid void traverse(const unordered_map<int, list<int>> & graph, int x, int y, set<int> & result) ^~ main.cpp:11:48: error: template argument 5 is invalid main.cpp:11:21: error: invalid use of template-name 'std::unordered_map' without an argument list void traverse(const unordered_map<int, list<int>> & graph, int x, int y, set<int> & result) ^~~~~~~~~~~~~ In file included from /usr/include/c++/6/unordered_map:48:0, from main.cpp:3: /usr/include/c++/6/bits/unordered_map.h:98:11: note: 'template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> class std::unordered_map' declared here class unordered_map ^~~~~~~~~~~~~ main.cpp:11:34: error: expected ',' or '...' before '<' token void traverse(const unordered_map<int, list<int>> & graph, int x, int y, set<int> & result) ^ main.cpp: In function 'void traverse(int)': main.cpp:13:7: error: 'graph' was not declared in this scope if (graph.find(x) == graph.end()) ^~~~~ Non zero exit status: 1