Compilare: main.cpp:12:60: warning: built-in function 'pow' declared as non-function [-Wbuiltin-declaration-mismatch] 12 | int v[NMAX], f[NMAX][LOG_MAX + 1], k[NMAX], stramos[NMAX], pow[LOG_MAX + 5], lvl[NMAX], p[NMAX], drum[NMAX]; | ^~~ main.cpp: In function 'void dfs(int)': main.cpp:17:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for (int i = 0; i < adj[node].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:33:15: warning: unused variable 'j' [-Wunused-variable] 33 | int n, i, j, a, b, l; | ^ main.cpp:85:14: warning: 'rad' may be used uninitialized [-Wmaybe-uninitialized] 85 | lvl[rad] = 0; | ~~~~~~~~~^~~ main.cpp:75:9: note: 'rad' was declared here 75 | int rad; | ^~~