Compilare: main.cpp: In function 'std::set<int> berarii2(std::vector<std::vector<int> >&, std::vector<int>&)': main.cpp:46:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for( int i = 1 ; i < graph.size(); i ++ ) { | ~~^~~~~~~~~~~~~~ main.cpp:48:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | for ( int j = 0 ; j < berarii.size(); j ++ ) { | ~~^~~~~~~~~~~~~~~~ main.cpp:50:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for ( int k = 0 ; k < harta.size() ; k ++ ) { | ~~^~~~~~~~~~~~~~