Compilare: user.cpp: In function ‘bool verifica_ultimul_rand()’: user.cpp:12:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(long long i=1; i<=n; i++) ^ user.cpp: In function ‘bool simulare(long long unsigned int)’: user.cpp:22:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(long long i=1; i<=n; i++) ^ user.cpp: In function ‘int main()’: user.cpp:60:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(long long i=1; i<=n; i++) ^ user.cpp:79:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(long long i=1; i<=n; i++) ^