Compilare: user.cpp: In function ‘long long int DI(int, int)’: user.cpp:49:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < verif.size(); i++) ^ user.cpp:50:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = i+1; j<= i + 7 && j< verif.size(); j++) ^