Eroare de compilare: main.cpp: In function 'void bfs(int)': main.cpp:26:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | for(i=0 ;i< A[x].size();i++)//parcurg varfurile | ~^~~~~~~~~~~~~ main.cpp: At global scope: main.cpp:51:1: error: ISO C++ forbids declaration of 'afisare_lad' with no type [-fpermissive] 51 | afisare_lad() | ^~~~~~~~~~~ main.cpp: In function 'int afisare_lad()': main.cpp:55:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | for (int j=0; j<A[i].size(); j++) | ~^~~~~~~~~~~~ main.cpp:59:1: warning: no return statement in function returning non-void [-Wreturn-type] 59 | } | ^ Non zero exit status: 1