Compilare: main.cpp: In function 'void bfs()': main.cpp:44:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | while (front < q.size()) { | ~~~~~~^~~~~~~~~~ main.cpp: In function 'void antibfs()': main.cpp:76:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<ac>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for (int i = 0; i < trie.size(); ++i) | ~~^~~~~~~~~~~~~