Compilare: user.cpp: In function ‘int main()’: user.cpp:22:9: warning: unused variable ‘b’ [-Wunused-variable] int b = 0; ^ user.cpp: In function ‘void GenerateSuperPrimes(int)’: user.cpp:47:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int i = 0; i < v.size(); ++i) ^ user.cpp:64:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int i = 0; i < v.size(); ++i ) ^