Compilare: main.cpp: In function 'void bfs_start()': main.cpp:25:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | for(int i=0;i<A[cap].size();i++) | ~^~~~~~~~~~~~~~ main.cpp: In function 'void bfs_final()': main.cpp:47:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | for(int i=0;i<A[cap].size();i++) | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:92:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 92 | for(int i=0;i<ans.size();i++) | ~^~~~~~~~~~~