Compilare: main.cpp: In function 'void printMatrix(const std::vector<std::vector<int> >&)': main.cpp:11:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 11 | for(int i = 0 ; i < m.size() ; i++){ | ~~^~~~~~~~~~ main.cpp:13:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 13 | for(int j = 0 ; j < m[i].size() ; j++) | ~~^~~~~~~~~~~~~ main.cpp: In member function 'int MaxFlowGraph::bfs(const int&, const int&, std::vector<int>&)': main.cpp:72:13: warning: unused variable 'flow' [-Wunused-variable] 72 | int flow = q.front().second; | ^~~~ main.cpp: In member function 'void Solution::Senat()': main.cpp:148:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 148 | for(int j = 0 ; j < line.size() ; j++){ | ~~^~~~~~~~~~~~~ main.cpp: In member function 'int MaxFlowGraph::bfs(const int&, const int&, std::vector<int>&)': main.cpp:81:25: warning: 'newFlow' may be used uninitialized [-Wmaybe-uninitialized] 81 | int newFlow = min(newFlow, this->capacity[current][next] - this->flow[current][next]); | ^~~~~~~