Compilare: main.cpp: In function 'void dfs(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 < v[nod].size(); i++){ | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:78:13: warning: unused variable 'l' [-Wunused-variable] 78 | int l = 0, r = n; // dist pe care o BS | ^ main.cpp:78:20: warning: unused variable 'r' [-Wunused-variable] 78 | int l = 0, r = n; // dist pe care o BS | ^ main.cpp:79:13: warning: unused variable 'sol' [-Wunused-variable] 79 | int sol = -1; | ^~~