Compilare: main.cpp:10:26: warning: built-in function 'log2' declared as non-function [-Wbuiltin-declaration-mismatch] 10 | int d[2 * NMAX + 5][18], log2[2 * NMAX + 5]; | ^~~~ main.cpp: In function 'void dfs(int, int)': main.cpp:18:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for(int i = 0; i < T[u].size(); i ++){ | ~~^~~~~~~~~~~~~ main.cpp: In function 'void dfsHPD(int)': main.cpp:56:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | for(i = 0; i < T[u].size(); i ++){ | ~~^~~~~~~~~~~~~