Compilare: user.cpp:2:16: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define NMax (1<<20 + 2) ^ user.cpp:11:6: note: in expansion of macro ‘NMax’ ui a[NMax]; ^ user.cpp: In function ‘long long int Count(unsigned int)’: user.cpp:18:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= n; ++i) ^ user.cpp: In function ‘int main()’: user.cpp:34:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= n; ++i) ^