Compilare: main.cpp: In member function 'void FordFulkerson::init()': main.cpp:35:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<std::pair<int, long long int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 35 | for(int i = 0; i < g.size(); i++){ | ~~^~~~~~~~~~ main.cpp:36:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | for(int j = 0; j < g[i].size(); j++){ | ~~^~~~~~~~~~~~~ main.cpp: In member function 'bool FordFulkerson::findAndUpdate(int, int, long long int&)': main.cpp:58:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for (int i = 0; i < eIndexes[u]. size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void DFS(std::vector<std::vector<int> >, std::vector<std::vector<int> >&)': main.cpp:140:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 140 | for(int nd = 0; nd < edges.size(); nd++){ | ~~~^~~~~~~~~~~~~~