Compilare: user.cpp: In function ‘int putere(int)’: user.cpp:30:9: warning: unused variable ‘rez’ [-Wunused-variable] int rez = 0; ^ user.cpp: In function ‘void bfs(int)’: user.cpp:57:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[el].size(); i++) ^ user.cpp: In function ‘int putere(int)’: user.cpp:38:1: warning: control reaches end of non-void function [-Wreturn-type] } ^