Compilare: user.cpp: In function ‘void Delete(unsigned int, unsigned int&)’: user.cpp:36:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(unsigned int i = 0; i < Lg; i++) ^ user.cpp: In function ‘long long int Solve(int)’: user.cpp:59:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 1; i <= N; i++) ^ user.cpp:62:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(k > M) ^