Compilare: user.cpp: In function ‘void qsort(int*, int*, int, int)’: user.cpp:15:35: warning: operation on ‘*(v + ((sizetype)(((unsigned int)j) * 4u)))’ may be undefined [-Wsequence-point] v[i]+=v[j]-(v[j]=v[i]); ^ user.cpp:16:51: warning: operation on ‘*(poz + ((sizetype)(((unsigned int)j) * 4u)))’ may be undefined [-Wsequence-point] poz[i]+=poz[j]-(poz[j]=poz[i]),i++,j--; ^ user.cpp: In function ‘int main()’: user.cpp:35:71: warning: operation on ‘poz[poz[i]]’ may be undefined [-Wsequence-point] rez[i]=poz[i],s++,poz[i]+=poz[poz[i]]-(poz[poz[i]]=poz[i]); ^