Compilare: user.cpp: In function ‘int main()’: user.cpp:14:5: warning: ‘n’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(i=1;i<=n;i=i+2) a[i]=1; ^ user.cpp:28:5: warning: ‘dif’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(dif==-1) fout<<"-1"<<"\n"; ^ user.cpp:29:24: warning: ‘y’ may be used uninitialized in this function [-Wmaybe-uninitialized] else fout<<x<<" "<<y<<"\n"; ^ user.cpp:29:16: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] else fout<<x<<" "<<y<<"\n"; ^ user.cpp:9:18: warning: ‘j’ may be used uninitialized in this function [-Wmaybe-uninitialized] int A, B, i, j, n, x, y, dif; ^