Compilare: main.cpp: In member function 'void MaxFlowGraph::printMatrix(const std::vector<std::vector<int> >&)': main.cpp:42:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for(int i = 0 ; i < m.size() ; i++){ | ~~^~~~~~~~~~ main.cpp:44:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | for(int j = 0 ; j < m[i].size() ; j++) | ~~^~~~~~~~~~~~~ main.cpp: In member function 'void Solution::Senat()': main.cpp:139:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 139 | for(int j = 0 ; j < line.size() ; j++){ | ~~^~~~~~~~~~~~~