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:140:22: 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 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:154:22: 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] 154 | for(int k = 0; k < g.size(); k++){ | ~~^~~~~~~~~~ main.cpp: In function 'std::vector<std::vector<int> > Clausura(std::vector<std::vector<int> >&)': main.cpp:108:18: warning: 'void operator delete [](void*)' called on pointer returned from a mismatched allocation function [-Wmismatched-new-delete] 108 | delete[] visited; | ^~~~~~~ main.cpp:106:40: note: returned from 'void* operator new(std::size_t)' 106 | bool* visited = new bool(g_size); | ^