Compilare: main.cpp: In member function 'void FordFulkerson::init()': main.cpp:36:30: 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] 36 | for(int i = 0; i < g.size(); i++){ | ~~^~~~~~~~~~ main.cpp:37:34: 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] 37 | for(int j = 0; j < g[i].size(); j++){ | ~~^~~~~~~~~~~~~ main.cpp: In member function 'bool FordFulkerson::findAndUpdate(int, int, long long int&)': main.cpp:57:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 57 | for(int i = 0; i < eIndexes[u].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~