Compilare: user.cpp: In function ‘int main()’: user.cpp:44:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(aux*i<=A) aux++; ^ user.cpp:45:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(aux<i+1) aux=i+1; ^ user.cpp:46:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(aux<=b) ^ user.cpp:8:37: warning: unused variable ‘j’ [-Wunused-variable] long long a, b, q, t, A, i, nr, j; ^