Eroare de compilare: user.cpp: In member function ‘std::vector<int> Graph::dijkstra()’: user.cpp:33:22: error: ‘numeric_limits’ was not declared in this scope vector<int> d(N+1, numeric_limits<int>::max()); ^ user.cpp:33:37: error: expected primary-expression before ‘int’ vector<int> d(N+1, numeric_limits<int>::max()); ^ user.cpp:54:35: error: expected primary-expression before ‘int’ if (d[iv] != numeric_limits<int>::max()) { ^ user.cpp:54:35: error: expected ‘)’ before ‘int’ user.cpp:39:8: warning: unused variable ‘val’ [-Wunused-variable] int val = it->second; ^ user.cpp: In function ‘int main()’: user.cpp:78:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < v.size(); ++i) { ^