Compilare: user.cpp: In function ‘int main()’: user.cpp:21:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<strlen(sir);i++) ^ user.cpp:15:17: warning: unused variable ‘val’ [-Wunused-variable] int i,n,top,val,nr; ^ user.cpp: In function ‘int Pozitia(int*, int, int)’: user.cpp:12:1: warning: control reaches end of non-void function [-Wreturn-type] } ^