Compilare: main.cpp: In instantiation of 'void FordFulkerson<T>::init() [with T = long long int]': main.cpp:159:9: required from 'T FordFulkerson<T>::getMaxFlow(int, int) [with T = long long int]' main.cpp:236:39: required from here main.cpp:174:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<std::pair<int, long long int>, std::allocator<std::pair<int, long long int> > >, std::allocator<std::vector<std::pair<int, long long int>, std::allocator<std::pair<int, long long int> > > > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 174 | for(int i = 0; i < g.size(); i++){ | ~~^~~~~~~~~~ main.cpp:175:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int>, std::allocator<std::pair<int, long long int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 175 | for(int j = 0; j < g[i].size(); j++){ | ~~^~~~~~~~~~~~~ main.cpp: In instantiation of 'bool FordFulkerson<T>::findAndUpdate(int, int, T&) [with T = long long int]': main.cpp:161:15: required from 'T FordFulkerson<T>::getMaxFlow(int, int) [with T = long long int]' main.cpp:236:39: required from here main.cpp:194:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 194 | for(int i = 0; i < eIndexes[u].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~