Compilare: user.cpp: In function ‘void bfs()’: user.cpp:27:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < v[nod].size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:43:31: warning: array subscript is above array bounds [-Warray-bounds] drum[1][i] = a; drum[2][i] = b; ^ user.cpp:58:46: warning: array subscript is above array bounds [-Warray-bounds] if (drum[1][j] == t[i] and drum[2][j] == i){ ^