Compilare: user.cpp: In function ‘void citire()’: user.cpp:17:15: warning: unused variable ‘m’ [-Wunused-variable] int x, y, m; ^ user.cpp: In function ‘void bfs(int)’: user.cpp:32:9: warning: unused variable ‘i’ [-Wunused-variable] int i,x,y,p=0,u=-1; ^ user.cpp: In function ‘int main()’: user.cpp:77:13: warning: ‘k’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<d[k]+1; ^ user.cpp:76:11: warning: ‘j’ may be used uninitialized in this function [-Wmaybe-uninitialized] bfs(j); ^