Compilare: main.cpp: In function 'void bfs(int)': main.cpp:18:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for(int i=0;i<adj[start].size();i++){ | ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void bfsy(int)': main.cpp:37:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for(int i=0;i<adj[start].size();i++){ | ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:76:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for(int i=0;i<candidati.size();i++){ | ~^~~~~~~~~~~~~~~~~ main.cpp:89:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 89 | for(int i=0;i<maestru.size();i++){ | ~^~~~~~~~~~~~~~~