Eroare de compilare: user.cpp: In member function ‘bool Nod::operator<(const Nod&) const’: user.cpp:17:20: error: ‘lvl’ was not declared in this scope return lvl[id] > lvl[ot.id]; ^ user.cpp: In function ‘void get40p()’: user.cpp:68:21: error: invalid types ‘int[int]’ for array subscript y = anc[y][0]; ^ user.cpp:74:29: error: invalid types ‘int[int]’ for array subscript nod = anc[nod][0]; ^ user.cpp:80:29: error: invalid types ‘int[int]’ for array subscript nod = anc[nod][0]; ^ user.cpp: In function ‘void dfs(int)’: user.cpp:89:20: error: ‘V’ was not declared in this scope for (int son : V[nod]) ^ user.cpp: In function ‘void solveQueries()’: user.cpp:102:14: error: invalid types ‘int[int]’ for array subscript ans[i] = 1; ^ user.cpp:111:26: error: invalid types ‘int[int]’ for array subscript ans[Q[idQ].id] = 1 + sum(tout[Q[id].y]) - sum() ^ user.cpp:111:45: error: ‘id’ was not declared in this scope ans[Q[idQ].id] = 1 + sum(tout[Q[id].y]) - sum() ^ user.cpp:111:51: error: ‘sum’ was not declared in this scope ans[Q[idQ].id] = 1 + sum(tout[Q[id].y]) - sum() ^ user.cpp: In function ‘int main()’: user.cpp:121:13: error: ‘V’ was not declared in this scope V[anc[i]].push_back(i); ^ user.cpp: In function ‘void get40p()’: user.cpp:66:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &y, &x); ^ user.cpp: In function ‘void solveQueries()’: user.cpp:100:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &Q[i].x, &Q[i].y); ^ user.cpp: In function ‘int main()’: user.cpp:117:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ user.cpp:120:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &anc[i]); ^