Compilare: user.cpp: In function ‘int main()’: user.cpp:15:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=n;i++) ^ user.cpp:18:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(maxi<x) ^ user.cpp:20:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(mini>x) ^ user.cpp:10:28: warning: unused variable ‘d1’ [-Wunused-variable] unsigned long long n,x,d1,p,p1,p2; ^