Compilare: user.cpp: In function ‘long long int Solve(int, int)’: user.cpp:64:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < A.size(); i ++) ^ user.cpp:66:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = i + 1; j <= i + 7 && j < A.size(); j ++) ^