Compilare: main.cpp: In member function 'void FordFulkerson::init()': main.cpp:31:30: 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] 31 | for(int i = 0; i < g.size(); i++){ | ~~^~~~~~~~~~ main.cpp:32:34: 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] 32 | for(int j = 0; j <g[i].size(); j++){ | ~~^~~~~~~~~~~~ main.cpp: In member function 'bool FordFulkerson::findAndUpdate(int, int, long long int&)': main.cpp:52:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | for(int i = 0; i < eIndexes[u].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void print_g(std::vector<std::vector<int> >&)': main.cpp:135:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 135 | for(int k = 0; k < g.size(); k++){ | ~~^~~~~~~~~~ main.cpp: In function 'void print_g_cap(std::vector<std::vector<std::pair<int, long long int> > >&)': main.cpp:146:22: 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] 146 | for(int k = 0; k < g.size(); k++){ | ~~^~~~~~~~~~