Compilare: user.cpp:4:14: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define MAX 1<<20 + 6 ^ user.cpp:10:12: note: in expansion of macro ‘MAX’ unsigned a[MAX],n,L,U; ^ user.cpp: In function ‘long long int NrSecvente(int)’: user.cpp:20:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=1; j<=n; ++j) ^ user.cpp:23:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(M.size() > K) ^ user.cpp: In function ‘int main()’: user.cpp:39:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=n; ++i) ^