Compilare: main.cpp: In instantiation of 'void FordFulkerson<T>::init() [with T = long long int]': main.cpp:120:9: required from 'T FordFulkerson<T>::getMaxFlow(T, T) [with T = long long int]' main.cpp:204:26: required from here main.cpp:136:25: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::vector<std::pair<long long int, long long int>, std::allocator<std::pair<long long int, long long int> > >, std::allocator<std::vector<std::pair<long long int, long long int>, std::allocator<std::pair<long long int, long long int> > > > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 136 | for (T i = 0; i < g.size(); i++) { | ~~^~~~~~~~~~ main.cpp:137:29: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int>, std::allocator<std::pair<long long int, long long int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 137 | for (T j = 0; j < g[i].size(); j++) { | ~~^~~~~~~~~~~~~ main.cpp: In instantiation of 'bool FordFulkerson<T>::findAndUpdate(T, T, T&) [with T = long long int]': main.cpp:122:16: required from 'T FordFulkerson<T>::getMaxFlow(T, T) [with T = long long int]' main.cpp:204:26: required from here main.cpp:158:29: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 158 | for (T i = 0; i < eIndexes[u].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~