Compilare: user.cpp: In function ‘int main()’: user.cpp:16:61: warning: operation on ‘n’ may be undefined [-Wsequence-point] n=n--;}}} ^ user.cpp:9:7: warning: ‘k’ may be used uninitialized in this function [-Wmaybe-uninitialized] int i,k,n,t,poz,j; ^