Compilare: user.cpp: In function ‘int main()’: user.cpp:28:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=2;i<=N;i++) ^ user.cpp:35:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=N;i++) ^ user.cpp:40:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<bucket[i].size();j++) ^ user.cpp:45:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=N;i+=10) ^ user.cpp:27:15: warning: unused variable ‘bestN’ [-Wunused-variable] unsigned int bestN = v[1]; ^