Compilare: main.cpp: In function 'void dfs(int, int, int)': main.cpp:40:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for (int i = 0; i < graf[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void solve()': main.cpp:139:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 139 | for (int i = 0; i < q.size(); i++) | ~~^~~~~~~~~~ main.cpp:128:9: warning: unused variable 'cMax' [-Wunused-variable] 128 | int cMax = 0, s1 = 0, s2 = 0; | ^~~~ main.cpp:128:19: warning: unused variable 's1' [-Wunused-variable] 128 | int cMax = 0, s1 = 0, s2 = 0; | ^~ main.cpp:128:27: warning: unused variable 's2' [-Wunused-variable] 128 | int cMax = 0, s1 = 0, s2 = 0; | ^~