Compilare: main.cpp: In function 'int bfs(int, int)': main.cpp:53:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | for(int i=0;i<path.size()-1;i++) | ~^~~~~~~~~~~~~~ main.cpp:59:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | for(int i=0;i<path.size()-1;i++) | ~^~~~~~~~~~~~~~