Compilare: user.cpp: In function ‘void Sort(int, int)’: user.cpp:22:28: warning: operation on ‘k’ may be undefined [-Wsequence-point] for(k=s;k<=d;v[k]=z[k++]); ^ user.cpp: In function ‘int main()’: user.cpp:33:24: warning: ‘a’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(nrmax>=n/2+1)g<<a<<" "<<nrmax<<"\n"; ^