Compilare: user.cpp: In function ‘void imparte(long int&)’: user.cpp:31:33: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(nr%10==9 or nr%10==0 and ok==0) ^ user.cpp: In function ‘int main()’: user.cpp:89:33: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n,i,p=0,max=-1,nr=1,j=0,poz; ^