Compilare: user.cpp: In function ‘int main()’: user.cpp:51:8: warning: unused variable ‘q’ [-Wunused-variable] int n,q,i,j,x,y; ^ user.cpp:51:12: warning: unused variable ‘j’ [-Wunused-variable] int n,q,i,j,x,y; ^ user.cpp: In function ‘void DFS2(int, int)’: user.cpp:42:32: warning: ‘other’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(!winsus[p] || winjos[other]) winsus[x]=1; ^