Compilare: user.cpp: In function ‘int main()’: user.cpp:12:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<n;i++) ^ user.cpp:14:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<n-Max;i++) ^ user.cpp:19:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while((And&x[j])!=0&&j<n) ^