Eroare de compilare: main.cpp:11:1: error: expected ',' or ';' before 'using' using VI = vector<int>; ^~~~~ main.cpp:12:1: error: 'VI' does not name a type VI r; ^~ main.cpp:13:8: error: 'VI' was not declared in this scope vector<VI> G; ^~ main.cpp:13:10: error: template argument 1 is invalid vector<VI> G; ^ main.cpp:13:10: error: template argument 2 is invalid main.cpp:17:1: error: 'VI' does not name a type VI Df(int x, int father) ^~ main.cpp: In function 'int main()': main.cpp:52:4: error: request for member 'resize' in 'G', which is of non-class type 'int' G.resize(N + 1); ^~~~~~ main.cpp:53:2: error: 'r' was not declared in this scope r.resize(K + 1); ^ main.cpp:63:6: error: invalid types 'int[int]' for array subscript G[x].push_back(y); ^ main.cpp:64:6: error: invalid types 'int[int]' for array subscript G[y].push_back(x); ^ main.cpp:69:2: error: 'VI' was not declared in this scope VI v = Df(1, 0); ^~ main.cpp:75:10: error: 'v' was not declared in this scope sol += v[i]; ^ Non zero exit status: 1