Compilare: main.cpp: In function 'void dfs(int, int, int)': main.cpp:16:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | for(int i=0;i<v[nod].size();i++){ | ~^~~~~~~~~~~~~~ main.cpp:54:16: warning: unused variable 'x' [-Wunused-variable] 54 | int x = q.top().first; | ^ main.cpp: In function 'int main()': main.cpp:86:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 86 | for(int i = 0 ; i<bicomp.size(); i++){ | ~^~~~~~~~~~~~~~ main.cpp:87:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 87 | for(int j = 0 ; j < bicomp[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~