Compilare: main.cpp: In function 'void componenta(int, int)': main.cpp:25:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | for(int i=1; i<elem.size(); i++) | ~^~~~~~~~~~~~ main.cpp: In function 'void dfs(int, int)': main.cpp:34:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for(int i=0; i<vecini[nod].size(); i++) | ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:73:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for(int j=0; j<ans[i].size(); j++) | ~^~~~~~~~~~~~~~