Eroare de compilare: user.cpp: In member function ‘void DisjSet::Undo(var)’: user.cpp:61:35: error: ‘class std::unordered_map<int, int>’ has no member named ‘first’ for(auto p : UP) Parent[p.first] = p.second; ^ user.cpp:61:46: error: ‘class std::unordered_map<int, int>’ has no member named ‘second’ for(auto p : UP) Parent[p.first] = p.second; ^ user.cpp:62:33: error: ‘class std::unordered_map<int, int>’ has no member named ‘first’ for(auto p : UR) Rank[p.first] = p.second; ^ user.cpp:62:44: error: ‘class std::unordered_map<int, int>’ has no member named ‘second’ for(auto p : UR) Rank[p.first] = p.second; ^ user.cpp:63:12: error: request for member ‘clear’ in ‘((DisjSet*)this)->DisjSet::UP’, which is of non-class type ‘std::unordered_map<int, int> [18]’ UP.clear(); ^ user.cpp:64:12: error: request for member ‘clear’ in ‘((DisjSet*)this)->DisjSet::UR’, which is of non-class type ‘std::unordered_map<int, int> [18]’ UR.clear(); ^ user.cpp: In function ‘void ReadInput()’: user.cpp:211:13: error: ‘ME’ was not declared in this scope E[++ME] = Edge(i, a, b); ^ user.cpp:218:13: error: ‘ME’ was not declared in this scope E[++ME] = Edge(a, b, c); ^ user.cpp:219:25: error: request for member ‘size’ in ‘E’, which is of non-class type ‘Edge [260005]’ Queries[cq] = E.size() - 1; ^ user.cpp:201:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rutier.in", "r", stdin); ^ user.cpp:202:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rutier.out", "w", stdout); ^